Toyota Prius AWD-e With An Electric Motor At The Back

Toyota just unveiled an all-wheel drive Prius for the North American market. Not only that, the new Prius looks a tad finer (actually, less bizarre than before) and gives us the AWD technology that dispenses with the usual torque converters and driveshafts. The Toyota Prius AWD-e actually introduces us to an extra electric motor rigged to the rear wheels. It will apply power as needed up to 6 mph when accelerating and up to 43 mph when the computer senses that additional torque is needed (when the front wheels slip basically).

How Did The Prius Come To Be An AWD Car?

Toyota Finally Offers the Prius with AWD in the U.S. Exterior
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The latest Prius isn’t exactly a big seller, or nearly as popular as some of its previous versions (I have some conspiracy thoughts as to why that is, but I’ll save you from it for now). Obviously, the Prius had to have some special type of AWD and what could fit it better than an electric motor on the rear axle!? Nothing probably. Sure, fuel efficiency was sacrificed a bit, but that is a small price to pay for the added benefits. I guess, at least.

After all, Toyota still claims 50 mpg for it, making the Prius AWD-e one of the most fuel-efficient cars with an all-wheel-drive system on the market.

Interestingly enough, the Prius AWD-e does not have the same lithium-ion battery as the FWD model. Instead, it is equipped with a nickel-metal hydride hybrid battery. I am quite sure that this battery has a better chance to withstand cold temperatures the Prius AWD-e is bound to experience more than the regular Prius. In plain English - people up North will buy it more. The battery for the rear electric motor sits under the rear seats and does not protrude into the cabin, or hamper luggage capacity. Quite an achievement for a car as packed as a Prius.

Toyota Finally Offers the Prius with AWD in the U.S. Exterior
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Bear in mind that a solution like this is not a novel one on the market. First of all, the Toyota Prius AWD-e has been available in Japan for years. Second of all, cars like the Peugeot 508 Hybrid, SUVs like the Volvo XC60 plug-in hybrid, some Acuras and what not, have a similar propulsion system with an electric motor or motors actually powering the rear wheels. Obviously, Toyota did not even reinvent hot water with it, but that does not make the Prius AWD-e less appealing. It makes it, if nothing, reasonable. This word describes it best. Actually, it did before Toyota started playing with some extreme styling. True, it was softened up with the introduction of the new model.

Before I get into the styling department, let me tell you that the Prius AWD-e is available only in LE and XLE grades.

New Exterior Touches

Toyota Finally Offers the Prius with AWD in the U.S. Exterior
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The front and back have both been neatly redesigned.

Nothing major has been changed, but a new line here, a new crease there, a slightly different shape of the headlights and taillights, all made the Prius far easier on our eyes.

I like it more like this. That wasn’t a difficult task, though - I did not like it before at all. The wheels are also new and curiously small - only 15 inches in diameter. The changes to the exterior do resonate with what one can see on the Prius Prime. And this is a good thing as the Prius Prime feels like a looker. It’s courageous.

Toyota Prius XLE AWD-e is LOADED

Toyota Finally Offers the Prius with AWD in the U.S. Interior
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Standard Toyota Safety sense, heated front seats with 8-way power-adjustable driver’s seat, Entune Audio system, Multi-Information Display, and Bluetooth hands-free phone controls are only a part of the equipment inside. Add to this standard Smart Key System and Push Button Start, and the Prius AWD-e seems almost fantastic.

As infotainment is all the craze today, let me tell you what the standard Entune Audio system for the Prius AWD-e actually entails:

  • 6.1 in. Touch-Screen display,
  • AM/FM CD player,
  • 6 speakers,
  • auxiliary audio jack,
  • one USB 2.0 port with iPod connectivity,
  • two 2.1-amp USB charge ports,
  • advanced voice recognition,
  • Bluetooth hands-free phone capability,
  • phone book access and music streaming,
  • Siri Eyes Free,
  • an integrated backup camera display.

Quite a bit, obviously

Final thoughts

Toyota Finally Offers the Prius with AWD in the U.S. Exterior
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While the Toyota Prius AWD-e still has the Atkinson cycle 1.8-liter up front, along with an electric motor that makes it a hybrid, the Japanese have added another electric motor at the back and turned it into an AWDcar. This is a smart setup because it did not add a lot of complexity and weight. With incredible SUV sales in our country, I am quite sure that the Prius AWD-e will try to steal a bit of buyers from the SUV segment that basically overshadowed everything.

Further reading

2016 Toyota Prius
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Read our full review on the 2018 Toyota Prius.

When it comes to the 2019 Prius, “Let’s Go Places” can be expanded to “let’s go more places, in more conditions” thanks to the available new AWD-e system. Designed to provide more confidence and control when weather and road conditions are less than ideal, the electric all-wheel drive system further expands where the Prius can take drivers.

The new Prius AWD-e system will certainly deliver added traction and confidence for drivers but, in true Prius fashion, the 2019 AWD-e will lay claim to being one of the most fuel-efficient all-wheel-drive-equipped passenger cars available in the U.S., thanks to manufacturer-projected mpg estimates of 52 mpg city / 48 mpg highway / 50 mpg combined. Toyota estimates that the AWD-e model could account for as much as 25 percent of annual U.S. Prius sales.

Toyota’s AWD-e system is ideal for Prius. The automatic on-demand system does not require a center differential or other torque-apportioning device, nor does it need a front-to-rear driveshaft. Instead, the “e” in AWD-e stands for electric. The Prius AWD-e uses an independent electric, magnet-less rear motor (a Toyota first) to power the rear wheels from 0 to 6 mph, then when needed, up to 43 mph. This system provides the power to the rear wheels to pull away from a stop, yet the on-demand system recognizes when all-wheel-drive performance is not needed to provide great fuel economy.

The addition of the available AWD-e system is only part of the wider revision to the 2019 Prius, which debuts newly refined front and rear exterior styling, along with additional interior updates. Let’s not forget the front-wheel-drive (FWD) Prius will still offer the impressive fuel economy for which it is known, with manufacturer-projected fuel economy estimates of 58 mpg city / 53 mpg highway / 56 mpg combined on the L Eco grade, while the LE, XLE and Limited has projected fuel ratings of 54 mpg city / 50 mpg highway / 52 mpg combined.

The 2019 Prius also adopts the familiar model grade strategy used throughout the Toyota family, dropping the numerals in favor of grade labels L Eco, LE, XLE and Limited. Prius will also sport two new colors for 2019, Supersonic Red and Electric Storm Blue. The AWD-e model will be offered in LE and XLE grades and will debut a new two-tone 15-inch alloy wheel (with cover).

The AWD-e models use a newly developed compact Nickel-Metal Hydride (Ni-MH) battery that is designed to provide excellent performance in cold-weather conditions. The AWD-e battery fits under the rear seat area and does not impact the luggage capacity. The FWD models will tout a Lithium Ion battery.

The Prius AWD-e models offer the same 65.5 cu. ft. of carrying space with the standard 60:40 split rear seatbacks lowered as other Prius models. That’s more than in some small SUVs and larger than most full-size sedans. Expanding carrying options, the Prius AWD-e will offer available Genuine Toyota Accessory cargo crossbars for roof rack attachments, such as for carrying bikes, kayaks, snowboards, or a cargo carrier. The Prius AWD-e XLE features upgraded SofTex-trimmed, heated front seats with 8-way power-adjustable driver’s seat.

The SofTex-trimmed heated tilt/telescopic steering wheel features surface temperature-regulating properties to help make it feel more comfortable in hot or cold weather. The steering wheel also integrates switches for the Entune Audio system, Multi-Information Display, and Bluetooth hands-free phone controls.

The Prius comes standard with driver’s door Smart Key System, Push Button Start and remote illuminated entry. The XLE and Limited grades include Standard Smart Key System on three doors. An Adaptive Front Lighting System is available on the XLE grade and is standard on the Limited grade. And, Toyota Safety Connect, standard on Limited models, includes Emergency Assistance, Stolen Vehicle Locator, Roadside Assistance and Automatic Collision Notification and comes with a complimentary three-year trial subscription.

Standard Toyota Safety Sense
All 2019 Prius models, including the Prius AWD-e versions, come standard with Toyota Safety Sense P (TSS-P). Using millimeter-wave radar and a monocular camera sensor to help detect a pedestrian, a vehicle, and lane markers and headlights in the surrounding area, TSS-P provides a comprehensive bundle of active safety features including: Pre-Collision System with Pedestrian Detection (PCS w/ PD), Lane Departure Alert with Steering Assist (LDA w/ SA), Automatic High Beams (AHB), and Full-Speed Range Dynamic Radar Cruise Control (DRCC).

Because all Prius models, under certain circumstances, can operate in battery mode alone, during which they make little to no noise, they incorporate a Vehicle Proximity Notification System (VPNS) to help alert pedestrians and cyclists.

High Tech Galore
All Prius models share interior features including the familiar central screen interface. The 4.2" color Dual Multi-Information Display with customizable screens adds an AWD-e system indicator to the menu of displays, which also includes Energy Monitor, Hybrid System Indicator and Eco Score, Eco Savings Record, Drive Monitor, Eco Wallet, Eco Diary, Climate Control, driver support systems, audio system content, and navigation system content. For the ultimate in high-tech information, the available Color Head-Up Display (HUD) shows the speedometer, navigation, and Hybrid System Indicator in the driver’s line of sight.

The standard Entune Audio system for AWD-e models includes the Entune Multimedia Bundle: 6.1 in. touch-screen display, AM/FM CD player, 6 speakers, auxiliary audio jack, one USB 2.0 port with iPod connectivity and two 2.1-amp USB charge ports, advanced voice recognition, Bluetooth hands-free phone capability, phone book access and music streaming, Siri Eyes Free, and an integrated backup camera display. The Limited grade comes standard with the Entune Premium JBL Audio with Integrated Navigation and App Suite, with a large 11.6” HD multimedia display.

2019 Prius Mechanical Features
The Prius AWD-e shares the Hybrid Synergy Drive system with other Prius models. The system combines the output of a 1.8-liter 4-cylinder gasoline engine and two motor/generators through an electronically controlled planetary-type continuously variable transmission (CVT). The Electronically Controlled Brake System coordinates control between the regenerative braking and the vehicle’s hydraulic brake force to provide optimal brake performance and feel.
The 2ZR-FXE 1.8-liter 4-cylinder gasoline engine is itself a paragon of high efficiency. Thanks to ultra-low internal friction and efficient combustion, it exceeds 40 percent thermal efficiency, which is among the highest in the world for a gasoline engine.

The Prius gets a good share of its fuel efficiency by cheating the wind with an ultra-low 0.24 coefficient of drag (Cd), which is among the lowest of current production passenger cars. An automatic grille shutter reduces drag by closing when airflow to the radiator is not needed. Even the air conditioning system, which uses a quiet electric compressor, works intelligently to maximize energy efficiency. The Smart-flow (S-FLOW) mode directs airflow only to seated occupants to conserve energy and maximize comfort.

Standard Bi-LED headlamps and LED rear combination lamps reduce energy consumption compared to halogens, while giving better light and having a longer service life. A backup camera comes standard on all grades, and a full-width glass panel beneath the rear spoiler aids rearward visibility while also serving as a distinctive design feature.

Toyota New Global Architecture
The fourth-generation Prius is built around the Toyota New Global Architecture (TNGA). The platform introduced a new high-strength body structure, multi-link rear suspension and a lower center of gravity. The result for the Prius is a highly engaging driving experience combined with exemplary ride smoothness and a quiet cabin.

Hot-stamped and high tensile steels, which allow for intricate forms that are both lightweight and strong, are used extensively throughout the body. Aluminum components, including the hood and rear doorframes and brake calipers, help keep vehicle weight low. Innovative fastening methods, including laser screw welding and advanced adhesives, contribute to structural strength.

Peace-of-Mind Warranty Protection
Toyota’s 36-month/36,000 mile basic new-vehicle warranty applies to all components other than normal wear and maintenance items. A 60-month warranty covers the powertrain for 60,000 miles and against corrosion with no mileage limitation. The hybrid-related components, including the HV battery, battery control module, hybrid control module and inverter with converter, are covered for 96 months/100,000 miles.

The Prius also comes standard with ToyotaCare, a complimentary plan covering normal factory-scheduled maintenance for two years or 25,000 miles, whichever comes first. For Prius, the complimentary 24-hour roadside assistance is extended to three years (over the standard two years on other models).

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