With Austria’s annual Worthersee car tuning show just around the corner, Audi unveiled the TT Clubsport Turbo Technology Concept, a study developed to showcase the company’s future turbocharging systems. Powered by an innovative turbo that uses electric power to produce more horsepower, the concept also showcases Audi’s ability to turn the sporty TT model into a full-fledged race car. Arguably more aggressive than the TT Cup introduced in 2014, the Clubsport Turbo Technology Concept is inspired by one of the company’s older race car and looks ready to hit the track for some impressive lap times.

Unfortunately, Audi doesn’t plan to put the concept car into production as whole. Instead, the Germans will further develop the turbo under the hood for road use and maybe use some of these aero updates in the development of the next TT Cup race car.

There’s no word when this new turbo technology will hit the streets, but Audi claims it is "close to production readiness," which could mean less than a couple of years. Keep reading to find out more.

Updated 05/13/2015: Audi unveiled a promo video for the new TT Clubsport Turbo concept. Enjoy!

Continue reading to learn more about the Audi TT Clubsport Turbo Technology Concept.

  • 2015 Audi TT Clubsport Turbo Technology Concept
  • Year:
    2015
  • Make:
  • Model:
  • Engine:
    inline-4
  • Transmission:
    6-speed manual
  • Horsepower @ RPM:
    600
  • Torque @ RPM:
    4794 @ 3000
  • Displacement:
    2.5 L
  • 0-60 time:
    3.6 sec.
  • Top Speed:
    192.6 mph
  • Price:
    100000 (Est.)
  • car segment:
  • body style:

Exterior

2015 Audi TT Clubsport Turbo Technology Concept High Resolution Exterior Wallpaper quality
- image 629549

Audi says inspiration for this show car came from the Audi 90 IMSA GTO, a race car based on the 90 sedan, the A4’s predecessor, which the Germans used with great success in the IMSA championship in the late 1980s. Given the two vehicles have nothing in common and were built some 25 years apart, the overall resemblance is rather light, but a closer look reveals a few similarities.

Interestingly enough, the diffuser is basic in design, missing the usual aero-enhancing bits.

First of all, this TT received a significantly wider body that added 5.5 inches to the standard car’s width. Then there’s the reworked front bumper consisting of an aggressive splitter and revised air dams. Each of the side vents received a pair of vertical blades which are somewhat similar to the IMSA GTO’s. The race car had three such blades on each side of the fender, but placed closer to the front wheels.

The same goes for the rear end, now highlighted by the wider fenders and the new bumper, also featuring new vents and vertical blades. Interestingly enough, the diffuser is basic in design, missing the usual aero-enhancing bits. A massive wing bolted onto the trunk lid changes the rear end’s aspect dramatically. Unfortunately, none of these details remind me of the IMSA GTO except for the orange accents on the wings. The only other feature that seems inspired from the 1989 race car is the side-mounted exhaust. However, the outlet exits behind the driver’s door, whereas the GTO had it mounted just behind the front wheel on the passenger side.

The concept also has a set of unique, seven-spoke wheels.

All told, the TT Clubsport is arguably the most menacing TT ever built; a race car in desperate need of a racing livery and a track to show its skills on.

Exterior Dimensions

Track Width front/rear 68.3/68.1 Inches
Length 170.47 Inches
Width 77.55 Inches

Interior

2015 Audi TT Clubsport Turbo Technology Concept Interior
- image 629557

The interior of the TT Clubsport was also designed with racing in mind. Two lightweight bucket seats with four-point harnesses were mounted instead of the standard seats. Although the dashboard is still based on the road-going TT’s, its configuration has been simplified, while the instrument cluster gained a new display. A multifunction, flat-bottom steering enables the driver to control key parameters of the car.

Judging by the way it looks, this concept interior is definitely suited for production.

The seats are wrapped in Coral Orange Alcantara for a striking contrast with the otherwise black interior, while the door panels and the center console sport carbon-fiber-reinforced plastic (CFRP) components for a sportier look. A tube-shaped grip with an Alcantara inlay replaces the standard door handle. More Coral Orange accents are visible on the air vents and aluminum gear-shift lever.

In the rear, Audi removed the seats and fitted a roll-cage made of ultra-high-strength titanium tubes for improved rigidity.

Except for the rear cage, this is an interior I would very much like to see in the standard TT. And judging by the way it looks, this concept interior is definitely suited for production.

Drivetrain

2015 Audi TT Clubsport Turbo Technology Concept High Resolution
- image 629560

This is where things become even more exciting, as the TT Clubsport is powered by a 2.5-liter, inline-five engine rated at 600 horsepower and 479 pound-feet of torque. That’s 240 horses per liter of displacement or about twice as much compared to the TTS. Pretty neat, huh? But wait, it gets even better. With the curb weight lowered to only 3,078 pounds, this Audi is capable of 0-to-62 mph sprints of only 3.6 seconds, which makes it quicker than the Lamborghini Gallardo LP560-4 or the standard Mercedes-Benz SLS AMG, and only a tad slower than the 2015 Ferrari California T. Top speed is rated at 193 mph, a tremendous figure for any TT.

The turbo unit gets its juice from a 48-volt electrical system, which in turn is connected to a lithium-ion battery in the luggage compartment.

But more important than that is that this engine uses an electric turbocharger. Specifically, the turbo unit gets its juice from a 48-volt electrical system, which in turn is connected to a lithium-ion battery in the luggage compartment. Audi claims this system has significant advantages, including the turbo’s ability to rev up to maximum rpm more rapidly than conventional units. As a result, "it continues to boost charge pressure when too little drive energy is left in the exhaust gas for the conventional turbocharger." Also, the electric turbo provides immediate response and powerful sprints from lower engine speeds "without any perceptible delay."

Just in concept form for now, this system will later be found in nearly all Audis, according to technical development chief Ulrich Hackenberg. “In our TDI engines, we are close to production readiness with this technology. We are now presenting it in a TFSI – here too, we are the first automaker in the world to do this," he said in a statement.

Drivetrain Specifications

Type 2.5 TFSI
Displacement 2,480 cc
Output 600 HP
Torque 479.4 LB-FT @ 3,000 - 7,000 RPM
Transmission six-speed manual
0 to 100 km/h (62.1 mph) 3.6 seconds
Top speed 310 km/h (192.6 mph)

Conclusion

2015 Audi TT Clubsport Turbo Technology Concept High Resolution Exterior Wallpaper quality
- image 629550

Even though we won’t get a production version of the TT Clubsport Turbo Technology Concept in showrooms, this unique race car is a great way to showcase new turbocharging technology and Audi’s ability to build a track-focused vehicle from just about any of its road-going models. It’s the kind of concept I’d expect to see at Worthersee, the same place Volkswagen teased us with the most extreme Golf-based monsters ever built.

The fact that this TT delivers impressive performance numbers is also good news for Audi and performance-car enthusiasts alike, with significantly improved turbos to start finding their way into Ingolstadt’s production models in the future.

  • Leave it
    • No plans to build a production version

Press Release

Wide add-on parts, a powerful rear wing and a power output of 441 kW (600 hp) – the Audi TT clubsport turbo impresses with its power and design. From May 13 to 16, Audi will be showing its technology concept car on the Wörthersee Tour in the Austrian town of Reifnitz. The inspiration for the show car came from the successful Audi 90 IMSA GTO of the late 1980s. A new technology is making its debut under the hood. The car’s electric biturbo adds even more dynamism to the driving experience with its spontaneous response.

2015 Audi TT Clubsport Turbo Technology Concept High Resolution Exterior Wallpaper quality
- image 629550

“The electric biturbo signifies a new dimension in driving enjoyment; it boosts sprinting ability and torque and enables high peak power,” explains Prof. Dr. Ulrich Hackenberg, Audi Board Member for Technical Development. “In our TDI engines, we are close to production readiness with this technology. We are now presenting it in a TFSI – here too, we are the first automaker in the world to do this. For our fans at Wörthersee, we have packaged the electric biturbo in a very sporty show car.”

The Audi TT clubsport turbo has a power-boosted 2.5 TFSI engine with very impressive performance data. From 2,480 cc of displacement, the five-cylinder engine produces 441 kW (600 hp) of power and 650 Nm (479.4 lb-ft) of torque, the latter from 3,000 to 7,000 rpm. This means that it produces 176 kW (240 hp) and 260 Nm (191.8 lb-ft) per liter of displacement. Power is transferred via a manual six-speed transmission.

2015 Audi TT Clubsport Turbo Technology Concept High Resolution Exterior
- image 629551

Thanks to systematic lightweight design, the TT clubsport turbo show car has an unladen weight of just 1,396 kg (3,077.7 lb). The car completes the standard sprint from 0 to 100 km/h (62.1 mph) in 3.6 seconds, and its top speed is 310 km/h (192.6 mph). The TT clubsport turbo plays out its big advantage over the first few meters of a sprint. Its electrically driven compressor lets it cover up to 16 meters (52.5 ft) within the first 2.5 seconds – which is six meters (19.7 ft) further than a comparable car without this innovation. That is a difference of around one and one-half car lengths.

Electric thrust: Additional compressor fills turbo hole
An electrically powered compressor offers significant advantages: It revs up to maximum rpm rapidly and without any perceptible delay, and it continues to boost charge pressure when too little drive energy is left in the exhaust gas for the conventional turbocharger. This operating principle makes it possible to design the conventional turbocharger more specifically for high charge pressures and consequently for high engine power – the e-turbo assures spontaneous response and powerful sprints from low engine speeds at all times.

2015 Audi TT Clubsport Turbo Technology Concept High Resolution Exterior
- image 629552

The effect is impressive. The 2.5 TFSI engine builds up its tremendous power without any perceptible delay. This power is available in any situation – whenever the accelerator pedal is pressed. In an acceleration duel, the TT clubsport turbo effortlessly pulls away from a counterpart with an identically powered engine but no electric biturbo.

Energy storage: the 48‑volt electrical system
However, it is not just the power of the five-cylinder engine that is fascinating – so is its unmistakable throaty sound. The exhaust system is designed for minimal back-pressure; a side pipe to the ambient air is located immediately after the racing-type muffler. The 2.5 TFSI engine is cooled by a racing-type radiator. In the lower engine speed range, the electrically driven compressor boosts torque by up to 200 Nm (147.5 lb-ft). A dedicated 48‑volt electrical sub-system – another key future technology from Audi – supplies electrical energy to the turbocharger. A compact lithium-ion battery in the luggage compartment stores the energy that is generated by recuperation when coasting. A DC/DC converter provides the connection to the 12‑volt electrical system.

The power of the Audi TT clubsport turbo reaches the road impressively via a quattro permanent all-wheel drive system whose multi-plate clutch is mounted on the rear axle for better weight distribution. A coilover suspension system enables highly precise adjustment of the body’s ride height and the compression and rebound of the shock absorbers. An electric lifting function protects the equipment from damage by street curbs. Electronic stabilization control (ESC) and torque vectoring round out the dynamic qualities of the suspension ideally.

2015 Audi TT Clubsport Turbo Technology Concept High Resolution Exterior
- image 629553

The show car’s wheels are size 9.5 J x 20. Their six twin-spoke design is finished in a bi-color look – both gloss turn finished and matt black – and the tires are size 275/30. Carbon-fiber ceramic brake discs are mounted behind all four wheels; they are very lightweight and wear-resistant. The front brake discs measure 370 mm (14.6 in) in diameter.

Widened 14 cm (5.5 in): spectacular add-on parts
The compact sports car takes a full stance on the road with track widths of 1,736 mm (68.3 in) in front and 1,729 mm (68.1 in) at the rear. The car is 4.33 meters (14.2 ft) long and 1.97 meters (6.5 ft) wide, including the side mirrors – 14 cm (5.5 in) wider than the technical platform upon which it was based. Its angular fenders contribute a separate additive shape to the car body. They take the characteristic design motif of the Audi TT* to an extreme and accentuate the distribution of engine power to all four wheels – the quattro drive. The fenders of the show car – painted in the exterior color Ferro Titanium – are open at the front and rear. Air from the car’s slipstream flows through them to cool the brakes. The Singleframe grille and large air inlets – whose vertical fins form a continuation to the light signature of the Matrix LED headlights – are also optimized for maximum air throughput.

The manually adjustable rear wing is an advanced development of the Audi Sport TT Cup with which the brand very recently launched a dedicated race series. It is now 20 cm (7.9 in) wider, and the side flaps, which feature the four rings, were given a new geometry. The wing consists of carbon-fiber reinforced polymer (CFRF) as do all other add-on parts: the air inlets and the large splitter at the front, the side panels and side sill trims as well as the voluminous diffuser at the rear whose lateral segments reference the motif of the air inlets.

2015 Audi TT Clubsport Turbo Technology Concept High Resolution Exterior
- image 629554

The interior: fully focused on sporty drivers
A protective “cage” of ultra-high-strength titanium tubes makes the rear zone of the interior even more rigid and safe. In front, there are lightweight race car bucket seats with four-point harnesses. The display and operating concept with the digital Audi virtual cockpit focuses on the driver, who can control all key driving parameters via four satellite buttons on the multifunction steering wheel.

Sporty materials such as CFRP and black Alcantara define the interior of the Audi TT clubsport turbo. The race seats are upholstered in coral orange Alcantara and feature contrasting stitching and piping. In the doors and on the center console, CFRP parts with their large surfaces create sporty accents, and the doors are closed by pulling on a tube-shaped grip with an Alcantara inlay. The air vents and gear shifter also have coral orange accents – the aluminum gear shift lever travels in an open shift gate.

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