The quickest and most powerful factory-built muscle car ever!

Introduced in 2008, when Dodge basically revived the nameplate after a 25-year hiatus, the fourth-generation Challenger is the oldest muscle car available in U.S. showrooms and one of the longest running models as of 2017. Using underpinnings that date back to the W211-generation Mercedes-Benz E-Class (2002-2009), the Challenger managed to survive all these years against the more modern Mustang and Camaro, redesigned in 2015 and 2016, respectively. But, even though the Challenger is dated compared to its rivals, it can be had with some of the most powerful drivetrains in its segment, which is why it’s still popular with pony car fans. Having launched the 707-horsepower Hellcat in 2015, Dodge took things to a new level with the Challenger SRT Demon.

Described as a vehicle that will shake "the foundation of the entire performance car industry," the Challenger SRT Demon is indeed an unprecedented creation in the market. Not only incredibly powerful, it’s also fully equipped to race at the drag strip and comes with numerous industry-first features. While the Hellcat was often described as ludicrous, the Demon is downright insane and the stats suggest it’s quicker than just about any supercar out there! “With Demon, our goal was to build a car that would tattoo the Dodge logo into the subconscious of the general market, beyond even our loyal enthusiasts, said Tim Kuniskis, head of passenger cars at FCA North America. “To do so, we had to set records that have never been set before, do more than has ever been done before, go beyond even the legendary Hellcat.”

Updated 09/01/2017: Dodge released a series of new images for the 2018 Demon and we have to admit, this new Granite exterior paint makes it look even better!

Continue reading to learn more about the Dodge Challenger SRT Demon.

  • 2018 Dodge Challenger SRT Demon
  • Year:
    2018
  • Make:
  • Model:
  • Model:
  • Engine:
    V8
  • Transmission:
    eight-speed automatic
  • Horsepower @ RPM:
    808 @ 6300
  • Torque @ RPM:
    717 @ 4500
  • Displacement:
    6.2 L
  • 0-60 time:
    2.3 sec.
  • car segment:
  • size:
  • Purpose:
  • body style:
  • Overall:
    7.3/10

Demons From the Past

Before we have a closer look at the Challenger SRT Demon, let’s take a moment to look back at previous Dodge models wearing this name.

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Note: 1971-1972 Dodge Dart Demon 340 pictured here.

The "Demon" badge was first used in 1971 for a two-door fastback version of the Dodge Dart. Based on the then-popular Plymouth Duster, a fastback version of the Valiant, the Dodge was to be named the Beaver, it was eventually dubbed Dart Demon. The Demon was advertised as a performance car and was sold with optional hood scoops and a black engine hood. It also had devil decals on the fenders.

The Dart Demon was offered in 1972 too, but in 1973 it was renamed the Dart Sport, reportedly in response to Christian groups’ complaints about the Demon name and devil-with-pitchfork logo.

2007 Dodge Demon Roadster Concept
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Note: 2007 Dodge Demon Roadster Concept pictured here.

The nameplate returned in 2007 on a concept car first showcased at the Geneva Motor Show. A roadster designed to slot under the Viper so that Dodge had a more affordable sports car, the Demon Concept was viewed as a competitor for the Mazda MX-5 Miata, Pontiac Solstice, and Saturn Sky. The roadster was powered by a 172-horsepower, 2.4-liter four-cylinder engine and tipped the scales at only 2,600 pounds. Unfortunately, and despite being having a construction design taht made it feasible for mass production, the Demon Concept never made it in showrooms.

Exterior

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The Demon is pretty much a Hellcat on steroids. Everything else remains the same, but the hood scoop is a strong hint that the Demon is way more powerful than the Hellcat.

Styling-wise, the Demon is pretty much a Hellcat on steroids. However, the upgrade is rather mild if you ignore the massive wheel arches. Up front, notable features include the revised splitter and the significantly wider and taller hood scoop. Everything else remains the same, but the hood scoop is a strong hint that the Demon is way more powerful than the Hellcat.

Onto the sides, the wide-body fender flares are further indication that this is no regular muscle car. Wider than anything else you can find on this market, the fender flares hide fatter tires and amplify the car’s menacing stance. The front fenders sport black Demon head badges.

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The wide-body fender flares are further indication that this is no regular muscle car.

Around back, the Demon is identical to the Hellcat. There’s no "Demon" badge to tell them apart and if you ignore the fender flares, you can definitely mistake a Demon for a Hellcat. This isn’t bad though, as I actually like the subdued appearance.

When it comes to paints, Dodge offers 14 exterior colors. Options include some of the company’s most striking finishes, like B5 Blue, Billet Silver, Destroyer Grey, F8 Green, Go Mango, Granite Crystal, Indigo Blue, Maximum Steel, Octane Red, Pitch Black, Plum Crazy, TorRed, White Knuckle, and Yellow Jacket. Optionally, you can have a Satin Black engine hood or the Satin Black hood, roof, and decklid package.

Exterior Dimensions

Wheelbase (Inches) 116.2
Track, Front/Rear (Inches) 65.8/65.7
Overall Length (Inches) 197.5
Overall Width (with mirrors) (Inches) 85.8
Overall Width (without mirrors) (Inches) 78.8
Overall Height (Inches) 57.4
Ground Clearance (Inches) 4.5 (113.5)
Drag Coefficient 0.376 Cd
Curb Weight 4,280 Lbs
Weight Distribution, percent F/R 58/42

Interior

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The Demon's interior is built around the Hellcat's, which in turn is based on the revised Challenger cabin that Dodge launched for the 2015 model year.

Much like the exterior, the Demon’s interior is built around the Hellcat’s, which in turn is based on the revised Challenger cabin that Dodge launched for the 2015 model year. Design-wise, there aren’t many changes to talk about, but customers will notice the Demon head logos on the seat backs, the Alcantara steering wheel, the white-faced gauges in the instrument cluster, the bespoke TFT display, and the carbon-fiber badge with "Demon" script.

But arguably the biggest change is the lightweight, drag-specific seating layout. Specifically, the Demon comes with just a driver’s seat as standard. The front passenger seat and the rear seat can be added for only $1 each. Nope, that’s not a typo, you can turn the Demon from a one- to a five-seater with just two bucks. While the standard driver seat comes in premium cloth, all seats can be selected in Laguna leather and Alcantara suede for a more luxurious look. Should you go with the one-seat arrangement, there’s also a four-point harness bar from Speedlogix for use at the track.

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But arguably the biggest change is the lightweight, drag-specific seating layout. Specifically, the Demon comes with just a driver's seat as standard.

The 8.4-inch Uconnect infotainment screen also comes with a few extra goodies. Dodge offers a Performance Pages app that feed the driver with real-time data, including a graphic display of engine horsepower and torque with gear changes plotted, and supercharger coolant temperature. There’s also timers for reaction time, 0-60 mph, 0-100 mph, eighth-mile and quarter-mile elapsed time, and vehicle speed. Instantaneous and peak longitudinal and lateral g-forces, gauge readouts for engine oil temperature and pressure, coolant temperature, transmission fluid temperature, intake air temperature, air-fuel ratio, intercooler coolant temperature, boost pressure, and battery voltage are also displayed. Basically you have access to all the important engine data for the best and safest quarter-mile runs.

Just like the Hellcat, the Demon comes with two key fobs. There’s a black fob that limits power to 500 horsepower and the red fob that unleashes the car’s full output. Valet Mode limits the engine to 4,000 rpm, while Eco Mode revises transmission shifting to include second-gear starts.

Those who want a more comfortable car when not at the drag strip can spec out options such as a Harman Kardon 19-speaker, 900-watt audio system, power sunroof, heated and ventilated front seats, and a heated steering wheel.

Interior Dimensions

Headroom front/rear (Inches) 39.3/37.1
Legroom front/rear (Inches) 42.0/33.1
Shoulder Room front/rear (Inches) 58.5/53.9
Hip Room front/rear (Inches) 55.3/47.8
Total Interior Volume 93.9 cu. ft.
SAE Cargo Volume (above spare tire well) 16.2 cu. ft.
EPA Interior Volume Index 110.136 cu. ft.
Trunk Lift-over Height 33.2

Drivetrain

2018 Dodge Challenger SRT Demon High Resolution Drivetrain
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Just like the Hellcat, the Demon is powered by a supercharged, 6.2-liter V-8 engine, but the unit has very little in common with the former.

All the magic happens under the hood courtesy of a redesigned engine and a host of exclusive upgrades. Just like the Hellcat, the Demon is powered by a supercharged, 6.2-liter V-8 engine, but the unit has very little in common with the former. Specifically, while the architecture and the block are shared with the Hellcat, no fewer than 25 major components have been upgraded.

The V-8 now has a larger, 2.7-liter supercharger (versus 2.4-liters), increased boost pressure (14.5 psi from 11.6), a higher rpm limit (6,500 rpm versus 6,200), and a larger induction air box with Air-Grabber hood, driver-side Air-Catcher headlamps, and a new inlet near the wheel liner. The V-8 also includes a high-speed valvetrain, strengthened connecting rods and pistons, and improved lubrication system.

2018 Dodge Challenger SRT Demon Drivetrain
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Output is rated at 840 horsepower and 770 pound-feet of twist. That's a 133-horsepower and 120-pound-foot increase over the Hellcat and makes the Demon the world’s most powerful factory-production V-8 car.

Output is rated at 840 horsepower and 770 pound-feet of twist. That’s a 133-horsepower and 120-pound-foot increase over the Hellcat and makes the Demon the world’s most powerful factory-production V-8 car. Charging from 0 to 30 mph takes just one second, while the 60-mph mark is achieved in a mind-boggling 2.3 seconds, making the Demon quicker than supercars like the Ferrari LaFerrari, McLaren P1, and Porsche 918 Spyder. Actually, it’s rather challenging to find a production supercar that’s at least as quick as the Demon. On the other hand, the 2.3-second benchmark is likely achieved with the radial tires and in Drag Mode, which makes it less relevant when compared to other street-legal vehicles.

Speaking of drag racing, the Challenger SRT Demon is also the fastest quarter-mile production car in the world with a 9.65-second run at 140 mph. Actually, it’s so fast that the National Hot Rod Association issued a ban for it. Specifically, the Demon is subject to NHRA’s regulations that say that a car that’s quicker than 9.99 seconds on the drag strip (at more than 135 mph) requires extra safety equipment and a racing license. So it’s not exactly a ban and you can drag race it, but as soon as you go below the 9.99-second mark, the NHRA will kindly ask you to bring a competition licence and add extra safety equipment to the Demon.

One of the big question marks is top speed. Dodge has yet to reveal what the Demon will do maxed out, but we can make a few assumptions. First, the Demon’s Nitto NT05R drag radials are rated at 168 mph, which means owners shouldn’t push beyond that when exploring the upper limits of velocity in the Demon. But assuming you get the right tires, it should be able to push beyond that number. However, thanks to increased drag from the wide body stance, large intake, and wider tires, plus shorter gearing, the Demon will most likely fall behind its Hellcat counterpart in a top speed run. We think 190 mph is about right.

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The Challenger SRT Demon is also the fastest quarter-mile production car in the world with a 9.65-second run at 140 mph.

The performance figures above become even more impressive when you consider the car’s curb weight. Although Dodge says it shaved more than 200 pounds off the Hellcat, the Demon still tips the scales at more than 4,100 pounds. This and the fact that there’s no all-wheel-drive system proves that you don’t need the modern mid-engined, AWD, lightweight configuration to go fast.

As if these performance figures weren’t impressive enough, Dodge can also brag about using several industry-first features.

First up, the Demon rides on factory-installed Nitto street-legal drag radials. These tires improve grip and return 40-percent more launch force compared with SRT Hellcat tires. There’s also the available Direct Connection engine controller calibrated for 100+ unleaded high-octane fuel, which makes the Demon the first production car to run on both regular and high-octane gasoline. The SRT Power Chiller that redirects air conditioning refrigerant to chill the charger air cooler is yet another industry first feature, as is the After-Run Chiller that runs the cooling fan and the low-temperature circuit coolant pump after engine shutdown for quicker cooling between quarter-mile runs.

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There's also the available Direct Connection engine controller calibrated for 100+ unleaded high-octane fuel, which makes the Demon the first production car to run on both regular and high-octane gasoline.

Next up is TransBrake, which locks the output shaft of the TorqueFlite eight-speed automatic transmission to hold the car before launch, allowing the driver to increase engine rpm for higher torque and quicker response. Another innovative feature is Torque Reserve, which boosts engine air flow and supercharger rpm before launch, delivering faster acceleration.

But that’s not it! Dodge also developed the Drag Mode suspension tuning that maximizes weight transfer to the rear wheels for better traction. Then there’s Drag Mode Launch Assist that uses wheel speed sensors to watch for driveline-damaging wheel hop at launch. This feature needs only a few milliseconds to modify the engine torque for full grip. The optional narrow front wheels for drag racing and the front passenger seat and rear seat delete are also making an industry debut on the Challenger SRT Demon.

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The Demon is an entirely different car compared to the Hellcat and by far the most aggressive muscle car built to date.

Unlike the Hellcat, the Demon comes with the eight-speed automatic transmission only. While the autobox delivers the best performance you can have in this car, the absence of a manual stick will probably upset quite a few purists.

Moving over to the chassis, the Bilstein Adaptive Damping shocks have been tuned for drag racing, shifting as much weight as possible on the rear tires at launch. The weight shift is also aided by the softer springs (35-percent lower rate front/28 percent lower rate rear) and lighter, hollow sway bars (75 percent lower rate front/44 percent lower rate rear).

All told, the Demon is an entirely different car compared to the Hellcat and by far the most aggressive muscle car built to date.

Drivetrain Specifications

ENGINE SUPERCHARGED 6.2-LITER HEMI DEMON V-8
Availability Standard on Challenger SRT Demon
Type and Description 90-degree V-type, liquid-cooled
Displacement 370 cu. in. (6,166 cu.cm)
Bore x Stroke 4.09 x 3.58 (103.9 x 90.9)
Valve System Pushrod-operated overhead valve, 16 valves with sodium-filled exhausts and hollow stem intakes, 16 hydraulic roller lifters
Fuel Injection Sequential, multiport, electronic, returnless
Construction Deep-skirt cast-iron block with cross-bolted main bearing caps, aluminum alloy heads with hemispherical combustion chambers
Compression Ratio 9.5:1
Power (estimated SAE net) 840 HP @ 6,300 RPM (Direct Connection Performance Engine Controller and high-octane unleaded fuel)
808 HP @ 6,300 RPM
Torque (estimated SAE net) 770 LB-FT @ 4,500 RPM (Direct Connection Performance Engine Controller and high-octane unleaded fuel)
717 LB-FT @ 4,500 RPM
Max. Engine Speed 6,500 RPM
TRANSMISSION TORQUEFLITE 8HP90 EIGHT-SPEED AUTOMATIC
Availability Standard
Description Adaptive electronic control with full manual control via gear selector or paddle shifters, with three SRT-unique selectable modes: Street, Sport and Drag (features TransBrake™, rev-matching, performance shifting and gear holding feature)
Torque converter 151k
0 to 60 mph 2.3 seconds
Quarter mile 9.65 seconds @ 140 mph

The Extras

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Each Challenger SRT Demon will be delivered with a Demon Crate carrying exclusive components. The crate includes features that fully unleash the car’s potential at the drag strip, as well as track-specific tools to install the said upgrades. The latter are included in what Dodge describes as "direct connection performance parts." The bundle features the performance powertrain control module with high-octane engine calibration, replacement switch module containing the high-octane button on the center stack, a conical performance air filter, passenger mirror block-off plate, and the narrow front drag wheels.

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Each Challenger SRT Demon will be delivered with a Demon Crate carrying exclusive components. The Demon Crate is further customized with the buyer’s name, VIN and serial number.

The tools to install all of the above are included on the "Demon-branded track tools" package. This one includes a hydraulic floor jack with carrying bag, cordless impact wrench with charger, torque wrench with extension and socket, tire pressure gauge, fender cover, tool bag, and foam case that fits into the SRT Demon trunk and securely holds the front runner wheels and track tools.

The Demon Crate is further customized with the buyer’s name, VIN and serial number. Dodge is well aware that the Demon will most likely become a prized collectible as soon as it’s sold out.

Prices

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As the quickest and most powerful vehicle of the lineup, the Demon is obviously the most expensive Challenger. Pricing starts from $84,995 (including $1,700 gas guzzler tax, excluding $1,095 destination), which makes it $20,800 more more expensive than the Hellcat. Needless to say, it’s a massive premium compared to the base $27,100 Challenger, but hey, we’re talking 840 horsepower here and a ton of upgrades. Production will be limited to 3,000 units for the U.S. market and 300 examples for Canada. Deliveries will begin this fall.

Competition

Competition? What competition? There is no competition for the Hellcat or the Demon from Ford and Chevrolet. At least not from the factory. If you want a Mustang or a Camaro as powerful as the Demon, you’ll have to take it to aftermarket tuning shops.

Shelby GTE

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2016 Shelby GTE High Resolution
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While clearly not in the same category and not as capable on the drag strip, the GTE isn’t exactly factory-built either, with Shelby making conversions of stock models. The GTE package was developed for both the EcoBoost and GT versions of the Mustang and output can be as low as 340 horsepower, but Shelby also offers a 750+ horsepower upgrade for the V-8 model. There’s no specific word whether output can exceed 800 horses, but it should be possible given that Shelby can deliver Super Snakes with more than 1,000 horsepower. The GTE also gets Shelby exterior elements for a more aggressive look, unique components inside the cabin, and a carbon-fiber pack for a lighter car. The 750+ version can also be fitted with track-ready cooling systems, a short-throw shifter, Wavetrac differential, a bespoke twin-disc clutch, and 3:73 or 3:55 gearing. Shelby also offers track-ready suspension and braking systems, which are highly recommended for the supercharged V-8 engine option. Specific pricing for the 750+ horsepower model isn’t yet available, but the GT model starts from $50,644. My best guess is that range-topping upgrade goes for around $70,000.

Read more about the Shelby GTE here.

Hennessey Camaro ZL1 "The Exorcist"

Look Out Demons, The Exorcist is Coming! High Resolution Exterior
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Look Out Demons, The Exorcist is Coming! High Resolution Exterior
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Built by Texas-based tuning company Hennessey, "The Exorcist" is far from being a factory-built car, but the outrageous power and its nickname make it a suitable rival for the Demon. After all, only an exorcist could banish a Demon away. Based on the latest Chevy Camaro ZL1, "The Exorcist" has a supercharged, 6.2-liter V-8 rated at 1,000 horsepower and 966 pound-feet of torque and rides on drag slicks. The 0-to-60 mph sprint comes in "under three seconds" while the quarter-mile happens in "less than 10 seconds," which should be pretty close to the Demon. The good news is that even though it’s not a factory vehicle, the upgrade can be ordered through Chevrolet dealerships and comes with a two-year/24,000-mile warranty. What’s more, the 10-speed automatic transmission is joined by a six-speed manual. Remember, the Demon can’t be purchased with a stick. On the other hand, pricing for the package starts from $55,000 not including the car, which means that the sticker actually begins from $116,140. Get all the options and "The Exorcist" will set you back a whopping $142,080. Ouch!

Find out more about "The Exorcist" here.

Conclusion

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Needless to say, the Challenger SRT Demon is a spectacular machine. And the fact that we can buy overly powerful, factory-made muscle cars in the 21st century is absolutely fantastic. What makes the Demon that much more amazing is that it is based on a really old platform and comes very late in the current Challenger’s life cycle. If someone had asked me a few years ago which muscle car maker would come up with a ridiculous car I would’ve placed my money on Ford or Chevrolet. Definitely not on Dodge, which is still struggling with the ageing Challenger and Charger. On the other hand, it’s probably why the Demon has a Dodge badge. The Challenger has fallen behind both the Mustang and Camaro in recent years, being larger, heavier, and not exactly nimble at the track. This left Dodge with just one option to stand out: give customers an insane amount of power and an experience they can’t have with a Mustang or Camaro. So on top of being a incredible car for both the road and the drag strip, the Challenger SRT Demon is a valuable lesson in terms of both what you can do with an old platform and marketing.

  • Leave it
    • A bit pricey for the average Joe
    • Needs extra safety features for NHRA action

Video Review

References

Dodge Challenger SRT Hellcat

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Read our full review on the Dodge Challenger SRT Hellcat.

Press Release

Dodge rocked the high-performance car world in 2014 with the 707-horsepower Charger SRT Hellcat and Challenger SRT Hellcat, building supercar performance at affordable prices. They were the most powerful muscle cars ever – until now.

Today, Dodge is shaking the foundation of the entire performance car industry, launching New York International Auto Show week with its wickedly fast new 2018 Dodge Challenger SRT Demon – highly capable on the street, absolutely dominating at the drag strip.

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Powered by a 840-horsepower, supercharged 6.2-liter HEMI® Demon V-8, the limited-production Challenger SRT Demon is the world’s most powerful factory-production V-8 – bar none. NHRA-certified 9.65 seconds @ 140 mph makes the Dodge Challenger SRT Demon the fastest ¼-mile car in the world.

Performance numbers:

0-30 mph: 1.0 second
0-60 mph: 2.3 seconds
Quarter-mile: 9.65 seconds at 140 mph

The Challenger SRT Demon also is the world’s first production car to lift the front wheels at launch and set the world record for longest wheelie from a standing start by a production car at 2.92 feet, certified by Guinness World Records. And hold onto your seat. The Challenger SRT Demon also registers the highest g-force (1.8 g) ever recorded at launch in a production car.

“With Demon, our goal was to build a car that would tattoo the Dodge logo into the subconscious of the general market, beyond even our loyal enthusiasts, said Tim Kuniskis, Head of Passenger Cars – Dodge, SRT, Chrysler and FIAT, FCA North America. “To do so, we had to set records that have never been set before, do more than has ever been done before, go beyond even the legendary Hellcat. The result: an 840-horsepower, 9-second muscle car unlike anything that has ever come before it.”

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The Challenger SRT Demon’s record-setting performance is the result of collaboration among the Dodge//SRT, Design, Engineering, Powertrain and Manufacturing teams inside FCA US LLC, many of whom are experienced and active drag racers. While the 2018 Dodge Challenger SRT Demon remains a potent street car, every component was scrutinized and optimized for weight, capability and durability on the strip.

The performance records flow from an impressive list of street-legal production car industry firsts. That list includes:

Factory-installed wider, Nitto street-legal drag radials for improved grip, 40 percent more launch force compared with SRT Hellcat tires
Available Direct Connection engine controller calibrated for 100+ unleaded high-octane fuel
SRT Power Chiller™ redirects air conditioning refrigerant to chill the charger air cooler
After-Run Chiller runs the cooling fan and the low-temperature circuit coolant pump after engine shutdown
TransBrake locks the output shaft of the TorqueFlite eight-speed automatic transmission to hold the car before launch, allowing the driver to increase engine rpm for higher torque and quicker response
Torque Reserve boosts engine air flow and supercharger rpm before launch, delivering wickedly fast acceleration
Drag Mode suspension tuning maximizes weight transfer to the rear wheels for better traction
Drag Mode Launch Assist uses wheel speed sensors to watch for driveline-damaging wheel hop at launch and in milliseconds modifies the engine torque to regain full grip and then continues accelerating the car down the track
Available narrow “front runner” wheels for use at drag strips cuts front-end weight
Wide-body exterior styling, with concealed wheel well attachments house Challenger SRT Demon’s massively wide 315/40R18 tires
Front passenger seat and rear seat deleted to reduce weight (can be optioned back for $1 each)

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Production of the limited-edition single model year Challenger SRT Demon begins later this summer, with 3,000 vehicles for the United States and 300 vehicles for Canada. Deliveries to Dodge//SRT dealers will begin this fall.

Dodge has named Hagerty as its official insurance provider of the Dodge Challenger SRT Demon – Hagerty is a company for people who love cars and they already protect many of the rarest high performance cars in the world.

Demon’s heart: Supercharged V-8
The heart of the 2018 Dodge Challenger SRT Demon is the supercharged 6.2-liter HEMI Demon V-8, rated at 840 horsepower and 770 pounds-feet of torque. The red-painted Demon engine has been certified to the SAE J1349 industry standard for its horsepower and torque ratings. The engine also meets all applicable legal emissions regulations.

While the Demon V-8 shares its architecture with the 707-hp 6.2-liter supercharged HEMI Hellcat V-8, it is not simply a Hellcat engine with more boost. The Demon V-8 engine has 25 major component upgrades from the Hellcat engine, including supercharger, pistons, rods, valve train and fuel injection system.

Among the changes, compared with the Hellcat V-8, the Demon’s supercharged V-8 features:

Larger supercharger: 2.7 liters versus 2.4 liters
Increased boost pressure: 14.5 psi versus 11.6 psi
Higher rpm limit: 6,500 rpm versus 6,200 rpm
Fuel: Two dual-stage fuel pumps versus one
Larger induction air box with three sources of intake air: Air-Grabber™ hood, driver-side Air-Catcher™ headlamp and an inlet near the wheel liner

In addition, the HEMI Demon V-8 includes a high-speed valvetrain, strengthened connecting rods and pistons, and improved lubrication system. The upgrades enable the engine to sustain higher output and pressures while meeting FCA US LLC’s stringent durability requirements.

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One key to the Challenger SRT Demon’s best-ever power output is air – the supercharged Demon V-8 takes in plenty of it. The SRT Demon’s Air-Grabber™ hood includes the largest functional hood scoop (45.2 square inches) of any production car.

The Air-Grabber™ hood is sealed to the air box, which is also fed from the driver-side Air-Catcher™ headlamp and an inlet near the wheel liner. Combined, those sources give the Demon V-8 an air-flow rate of 1,150 cubic feet per minute, 18 percent greater than the Hellcat V-8 and the largest air induction volume of any production car.

The additional air inlets help reduce the temperature of the intake air by more than 30 degrees Fahrenheit compared with the Hellcat V-8, which improves overall throttle response.

Heat is the enemy of speed at the drag strip, so Dodge//SRT engineers looked for more ways to keep the intake air as close to the optimum temperature as possible.

The innovative SRT Power Chiller™ is a production car first. It diverts the air-conditioning refrigerant from the SRT Demon’s interior to a chiller unit mounted by the low-temperature circuit coolant pump. Charge air coolant, after being cooled by ambient air passing through a low-temperature radiator at the front of the vehicle, flows through the chiller unit, where it is further cooled. The chilled coolant then flows to the heat exchangers in the supercharger.

Every run down the drag strip generates plenty of heat. The After-Run Chiller, a factory-production car first, helps the SRT Demon get ready for the next run as quickly as possible.

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When the engine is shut down, the After-Run Chiller keeps the engine cooling fan and low-temperature circuit coolant pump running to lower the supercharger/charge air cooler temperature, helping the Challenger SRT Demon minimize heat soak effects. The driver can track the supercharger coolant temperature on the 8.4-inch Uconnect touchscreen in the instrument panel, and know in real time when the supercharger is at the optimum temperature for another run.

The impact of the SRT Power Chiller™ and After-Run Chiller, combined, lowers intake air temperature by up to 45 degrees Fahrenheit.

Fueling performance: 100+ unleaded high octane
The Challenger SRT Demon is the first-ever, street-legal factory-production car designed to run on 100+ unleaded high-octane fuel. That fuel is readily available at select gas stations, specialty shops and drag strips.

The keys to unleashing the SRT Demon’s full performance fury are in the Demon Crate: Direct Connection Performance Parts include a new powertrain control module calibrated for the high-octane unleaded fuel and a new switch bank for the center stack that includes a high-octane button.

The SRT Demon leaves the factory with a powertrain control module configured for 91-octane premium unleaded pump gasoline, which delivers top level performance.

The switch to the Direct Connection controller enables the supercharged HEMI engine to extract the maximum power from the knock-resistant fuel at high pressures and optimum spark timing. Drag racers can anticipate improvements in elapsed times (ETs) and trap speeds with the high-octane fuel.

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The Challenger SRT Demon is engineered to be able to run on a mix of 100+ octane and premium unleaded fuels without hurting the engine, but the high-octane function won’t activate if the combined fuel octane is too low. A message in the gauge display tells the driver the car will use the premium fuel calibration until the engine is shut off and restarted. How does the car know? The controller monitors the engine’s knock sensors.

There will be plenty of fuel available: the SRT Demon carries dual fuel pumps (versus one pump in the Challenger SRT Hellcat), larger fuel injectors and fuel lines that handle higher pressures.

Similar to the Challenger SRT Hellcat, the SRT Demon comes with two key fobs. The black fob limits engine output to 500 horsepower. The red key fob unlocks the engine’s full output of 808 horsepower and 717 pounds-feet torque. With either key fob, the driver can activate Eco and Valet Modes. Eco Mode revises the transmission shift schedule to include second-gear starts. Valet Mode limits the engine to 4,000 rpm and reduces torque output.

The high-octane unleaded fuel capability with the optional Direct Connection powertrain controller boosts engine output to 840 horsepower and 770 pounds-feet of torque.

TransBrake is a production car first
Every Dodge Challenger SRT Demon is equipped with the standard TorqueFlite 8HP90 eight-speed automatic transmission. Already a proven and robust gearbox used with the HEMI Hellcat V-8, the transmission gets some significant changes for duty in the Challenger SRT Demon.

Internal changes include an upgraded torque converter that delivers an 18 percent increase in torque multiplication. Also, the stall speed is increased 11 percent and the lockup speed is increased.

The Challenger SRT Demon is the first-ever, factory-production car with TransBrake, which locks the transmission output shaft to hold the car in place before a standing start. This lets the driver increase engine speed up to 2,350 rpm without overpowering the brakes, resulting in quicker power delivery and up to 15 percent more torque at launch.

Driver-oriented step-by-step instructions are displayed on the instrument cluster to guide the driver through the staging process and help them keep their focus on the Christmas Tree.

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The TransBrake helps to improve driver reaction time and launch consistency by using the steering wheel paddle shifters as a launch trigger – a paddle launch improves reaction time by 30 percent compared with a foot-brake launch. In addition, the system enables delivery of initial torque to the flywheel as soon as 20 milliseconds after launch.

TransBrake works in conjunction with another SRT Demon first-ever factory-production car feature, Torque Reserve, to deliver increased levels of power and torque at launch.

Torque Reserve becomes active once engine speed passes 950 rpm. It does two things:

Closes the bypass valve, “prefilling” the supercharger with boost
Manages fuel flow to cylinders and manages spark advance or retard to balance engine rpm and torque

With TransBrake and Torque Reserve active, the SRT Demon has more than 8 psi of boost at launch and up to 120 percent more engine torque than without Torque Reserve. TransBrake also preloads the driveline with torque, leading to full engine torque delivery at the rear wheels 150 milliseconds after the shift paddle is released. That results in faster acceleration at launch, faster 60-foot times and an improvement of more than a tenth of a second in quarter-mile times, which can be an entire car length.

Driveline components have been upgraded to get all that power and torque to the rear wheels, on every run.

Changes include:

Upgraded prop shaft with a 15 percent increase in torque capacity. The prop shaft uses high-strength steel. Shaft tube thickness increases by 20 percent and the stub shafts are heat treated for enhanced durability
The rear differential housing has 30 percent more torque capacity. The housing is made from heat-treated A383 aluminum alloy. New material for the gear set has higher fatigue strength, with a deeper case hardening depth and two-step shot-peening manufacturing process to increase compressive residual stress
The rear half shafts are larger in diameter; use a high-strength, low-alloy steel; and have 41 splines (up from 38), delivering a 20 percent increase in torque capacity. Eight-ball joints handle more torque, while reducing operating temperatures by more than 86 degrees Fahrenheit

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Production car first: Drag-mode Launch Assist
SRT engineers went digital to isolate and resolve one of the biggest challenges to clean launches and driveline integrity – wheel hop.

In simple terms, wheel hop happens when tires quickly slip and regain traction at launch, rapidly storing up and releasing energy in the driveline. These high torque spikes can quickly and severely damage driveline components – and up until now, the only solution was to back out of the throttle.

Not with the Challenger SRT Demon. In a first for a factory-production car, the SRT Demon’s Launch Assist uses the wheel speed sensors to watch for signs that the tires are slipping/sticking. If slip is detected, the SRT Demon’s control module momentarily reduces engine torque to maximize traction almost instantly – without the driver having to lift. Launch Assist reduces loads in the driveline from wheel hop by more than 15-20 percent, dramatically reducing component damage.

Production car first: Street-legal drag tires
The Challenger SRT Demon is equipped with a set of four standard Nitto NT05R street-legal, drag-race tires, a first for a factory-production car.

The 315/40R18 tires were specifically designed and developed exclusively for the SRT Demon, with a new compound and specific tire sidewall construction. The drag radials give the SRT Demon a 15-percent larger tire contact patch and more than twice the grip of the Challenger SRT Hellcat.

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The sticky drag tires are mounted on lightweight 11x18-inch wheels, with each tire measuring 12.6 inches wide. Putting full-size tires at all four corners gives drag racers an extra set of rear tires when the front tires are replaced with narrow front-runners at the track.

A unique rear knuckle reduces negative camber by 0.5 degrees, “standing up” the tire and increasing the size of the tire contact patch.

Engineering: More traction, less weight
The main mission of the 2018 Dodge Challenger SRT Demon is to cover the quarter mile as quickly as possible. To do this, it combines the best of both mechanical and electronic tuning to deliver maximum launch grip while still maintaining precision directional control.

The Bilstein Adaptive Damping shocks have been tuned for drag racing, shifting as much weight as possible on the rear tires at launch for maximum traction. The weight transfer improves rear tire grip by 11 percent.

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Mechanically, weight shift in the Challenger SRT Demon is aided by softening up some key suspension components. Those changes, compared with the Challenger SRT Hellcat, include:

Softer springs: 35 percent lower rate front/28 percent lower rate rear
Softer, lighter, hollow sway bars: 75 percent lower rate front/44 percent lower rate rear

When Drag Mode is activated, the front Bilstein shocks are set for firm compression and soft rebound damping, while the rear Bilstein shocks are set for firm compression and firm rebound damping.

That configuration is maintained as long as the car runs at wide open throttle. When the driver backs off the gas pedal, the system switches to firm compression and firm rebound front and rear for improved handling.

Also during Drag Mode, the traction control system is disabled to enable the rear wheels to spin for a burnout, but the electronic stability control system remains engaged to help the driver with straight-line performance.

In pursuit for every tenth of a second, engineers looked to cut as much weight as possible. The result: Equipment removed from the Challenger SRT Demon weighs more than 200 pounds.

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How the weight was lost:

58 pounds: Removed front passenger seat and belt
55 pounds: Removed rear seat, restraints and floor mats
24 pounds: Removed 16 audio speakers, amplifier and associated wiring
20 pounds: Removed trunk deck cover trim, carpeting, spare tire cover
19 pounds: Used smaller, hollow sway bars
18 pounds: Removed mastic, body deadeners, insulators and foam
16 pounds: Used lightweight all-aluminum four-piston brake caliper and smaller, 360-mm two-piece rotor
16 pounds: Switched to lightweight wheels and open-end lug nuts
4 pounds: Switched to manual tilt/telescope steering column
2 pounds: Removed park sensors and module

Buyers have the option to add back the front passenger seat, rear seats and trunk carpeting kit for $1 each. Other options include the Harman Kardon 19-speaker, 900-watt audio system, power sunroof, heated and ventilated leather front seats with heated steering wheel, painted Satin Black hood, or new painted Satin Black hood, roof and decklid package.

Dual personalities: Performance Pages and Drive Modes
The 2018 Dodge Challenger SRT Demon gives the driver the capability to set up the car for on-road precision, maximum drag strip performance or anything in between.

The nerve center for those personalities is SRT Performance Pages and Drive Modes, displayed on the Uconnect 8.4-inch touchscreen.

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Performance Pages arm the driver with real-time data, including a graphic display of engine horsepower and torque with gear changes plotted; supercharger coolant temperature; timers for reaction time, 0-60 miles per hour (mph), 0-100 mph, eighth-mile and quarter-mile elapsed time and vehicle speed; instantaneous and peak longitudinal and lateral g-forces; and gauge readouts for engine oil temperature and pressure, coolant temperature, transmission fluid temperature, intake air temperature, air-fuel ratio; intercooler coolant temperature, boost pressure and battery voltage.

The Drive Modes include the Challenger SRT Demon-exclusive Drag Mode. Drive Mode settings include Auto (Street) Mode, which sets the Bilstein Adaptive Damping Suspension (ADS) for comfortable ride with compliant handling, and Custom Mode, which lets the driver select between Auto and Drag Mode configurations for the transmission, paddle shifters, traction, suspension and steering.

Auto (Street) Mode options:
Engine output level is set based on which Demon key is in the vehicle
If red key is present, the power level can be set per customer preference
Transmission, suspension and steering default to Auto Mode (Street)
Customers can set suspension and steering preference
Electronic Stability Control defaults to full on
Paddle shifters can be turned on or off per customer preference
Eco mode is available only in Auto Mode

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Drag Mode options:
TorqueFlite eight-speed transmission runs a calibration optimized for acceleration
Electronic Stability Control is optimized for straight-line acceleration
Suspension calibration changes to full firm in rear and firm compression/soft rebound in front
Paddle shifters are turned on
Steering is set to Drag Mode for high-speed stability
Cabin cooling diverted to SRT Power Chiller™
Torque converter lockup point is raised in Drag Mode
TransBrake is available in Drag Mode only

Custom Mode options:
Nearly every combination of options available in Auto (Street) or Drag can be configured in the Custom Mode. For example, a driver could select the elements of Drag Mode related to engine and transmission performance, but could select Sport Mode for the suspension and steering, providing the on-road driving dynamics of a Challenger SRT Hellcat.

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When equipped with the Direction Connection Performance Parts powertrain control module, the driver can use 100+ high-octane unleaded fuel in any drive mode.

Drivers can also select line lock, which engages the front brakes to hold the Challenger SRT Demon stationary but leaves the rear wheels free for a burnout to heat up and clean the rear tires. The system will also let the driver perform a controlled rolling burnout. The system engages for up to 400 rear wheel revolutions.

Performance Pages also includes rpm-adjustable launch control and by-individual-gear-adjustable shift light displayed in the instrument cluster. A new data recorder feature lets the Challenger SRT Demon driver build an archive of data to help optimize the car for track and weather conditions, while helping to improve driving techniques.

Eco and Valet Modes are accessed in the Performance Pages. When Valet Mode is activated, engine horsepower is reduced and rpm is limited to 4,000. Also, certain performance features, such as steering wheel paddle shifters and Launch Control, are disabled. The driver can activate and de-activate Valet Mode with a four-digit PIN code they create.

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Functional and Intimidating Design
The 2018 Dodge Challenger SRT Demon is the widest Challenger ever and first-ever, factory-production muscle car with wide-body fender flares.

The wide body flares are designed to amplify the Challenger SRT Demon’s menacing stance, while making room for wider tires with concealed attachments. The fender flares, which cover the lightweight 18x11-inch wheels with exclusive, specifically designed Demon-branded 315/40R18 Nitto NT05R drag radial tires front and rear; add 3.5 inches to the Challenger SRT Demon’s overall width. The front side marker lights are styled to flow with the shape of the fender flares.

The entire chassis is e-coated for durability before final assembly.

Additional defining exterior features include the wide Air-Grabber™ hood scoop – the largest functional hood scoop (45.2 square inches) of any production car – and new Demon logos flanking each fender.

The driver is the focus in the interior of the Challenger SRT Demon, as it is for every model in the Challenger lineup.

Both the front passenger seat and rear seat, along with their corresponding seat belts, are deleted in the standard configuration of the Challenger SRT Demon.

Customers have the option of adding seats into the car, as well as adding leather coverings, when it is ordered. The front seat(s) have the Demon head logo stitched or embossed into the seat back.

Seating configurations:

Driver seat only, premium cloth covered
Driver and front passenger seat, premium cloth covered
Driver and front passenger seat, Laguna leather and Alcantara suede covered
Driver, front passenger and rear seats, Laguna leather and Alcantara suede covered

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Facing the driver is a flat-bottom SRT Performance steering wheel wrapped in Alcantara with paddle shifters. The SRT white-face gauges include a 200-mph speedometer and flank the 7-inch thin-film transistor (TFT) cluster display screen. A custom carbon fiber instrument panel badge with “Demon” script is located on the outboard vent and signifies the build sequence number.

A new four-point harness bar, available through Speedlogix, is available for use at the track. Mounting points for the bar are accessible, making it easy for customers to install without cutting or drilling anything.

Standard cloth seats include Ballistic II inserts with silver embroidered Demon head logo in the seat backs. An optional Laguna Leather Package includes leather covered seats and trim with embossed Demon head logo.

The 2018 Dodge Challenger SRT Demon will be available 14 exterior colors: B5 Blue, Billet Silver, Destroyer Grey, F8 Green, Go Mango, Granite Crystal, Indigo Blue, Maximum Steel, Octane Red, Pitch Black, Plum Crazy, TorRed, White Knuckle and Yellow Jacket.

All exterior colors are available with Satin Black hood, roof and decklid.

Demon Crate Carrying Exclusive Components
The Demon Crate, available to buyers of the Dodge Challenger SRT Demon, contains components that fully unleash the car’s potential at the drag strip and is fully customized with the buyer’s name, VIN and serial number.
The Demon Crate contains:

Direct Connection Performance Parts:
Performance powertrain control module with high-octane engine calibration
Replacement switch module containing high-octane button
Conical performance air filter
Passenger mirror block-off plate
Narrow, front-runner drag wheels
Demon-branded track tools:
Hydraulic floor jack with carrying bag
Cordless impact wrench with charger
Torque wrench with extension and socket
Tire pressure gauge
Fender cover
Tool bag
Foam case that fits into the SRT Demon trunk and securely holds the front runner wheels and track tools

The Demon Crate is further customized with the buyer’s name, VIN and serial number.

Production of the 2018 Dodge Challenger SRT Demon begins later this year at the Brampton (Ont.) Assembly plant.

The Challenger SRT Demon is covered by FCA US LLC’s factory warranty, including three-year/36,000-mile limited vehicle warranty and five-year/60,000-mile limited powertrain coverage.

Owner’s Track Tech Manual
Each 2018 Dodge Challenger SRT Demon buyer receives a unique, customized, leather-bound owner’s Track Tech Manual. In addition to standard vehicle information, it covers all the vehicles’ performance enhancements, includes detailed information about the Challenger SRT Demon’s drag-strip optimized performance technologies and pages for logging track runs. The custom information package also includes a copy of the vehicle build sheet.

Official Driving School of Dodge/SRT
All customers who buy new 2018 Dodge Challenger SRT Demon receive one full-day session at Bob Bondurant School of High-performance Driving. The Bob Bondurant School of High Performance Driving in Chandler, Arizona, is the Official High Performance Driving School of Dodge//SRT. All customers who buy a new model SRT will receive one full-day session of high-performance driving with professional instruction and time on the track as part of the Dodge SRT Package. For more information, visit www.driveSRT.com.

Dodge Names Hagerty Demon’s Official Insurance Provider
Dodge has named Hagerty as its official insurance provider of the Dodge Challenger SRT Demon – Hagerty is a company for people who love cars and already protect many of the rarest high performance cars in the world.

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