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Audi R8 e-Tron electric powered concept car

Audi R8 e-Tron electric powered concept car

Audi R8 e-Tron electric powered concept car

Audi R8 e-Tron electric powered concept car interior

Audi R8 e-Tron electric powered concept car interior

Audi R8 e-Tron electric powered concept car

Audi R8 e-Tron electric powered concept car

Audi R8 e-Tron electric powered concept car

Audi R8 e-Tron electric powered concept car

Audi R8 e-Tron electric powered concept car

Audi R8 e-Tron electric powered concept car

Audi R8 e-Tron electric powered concept car
Make Audi
Model e-Tron
Concept year 2009
Production year -
Engine electric

The Audi e-Tron was a long-speculated, electric powered supercar concept which was unveiled at the 2009 Frankfurt Motor Show.

The e-Tron's R8 influenced styling is clearly visible, but obvious too is the myriad of differences and modifications required to accommodate the electric drivetrain.

Most noticeable are the new 'C' shaped LED headlights, redesigned lateral air intakes which lack the distinctive 'sideblades' of the standard R8, and the new rear window panel which features a morphing panel for regulating airflow to cool the batteries and motors. Rear-view cameras are used instead of side mirrors.


Technology
The technology used throughout the Audi e-Tron is truly spectacular. The headlights for example are computer controlled and react to different situations. The new technology recognizes weather conditions and adapts the illumination to rain or fog. The technology at the heart of the light assistance system is a camera that works together with a fast computer to detect oncoming traffic, recognize lanes and measure visibilities, such as in the event of fog.

A new design element unique to the Audi e-tron are the air intakes in the single-frame grille and in front of the rear wheel wells. They are closed flush under normal circumstances and opened by means of flaps when additional cooling air is required. Maximum efficiency is also the reason behind this measure. The concept car has a remarkably low drag coefficient, which gets even better when the flaps are closed.

Lightweight construction is an even more important requirement for efficiency and range with electric vehicles than for conventionally powered automobiles. The body structure of the e-Tron is based on Audi Space Frame (ASF) technology and was realized as a hybrid construction. All add-on parts – doors, covers, sidewalls and roof – are made of a fiber-reinforced plastic.


Interior
Inside the Audi R8 e-Tron things are very different to the car on which it is based. The dash is very minimalist, with only a couple of dials, and a video display for the driver mounted behind the steering wheel. The high floating centre console is sleek and futuristic and features a flush gear selector, with which the driver chooses between the modes forward, reverse and neutral gears.

While an analog speedometer on the right provides speed information, the instrument on the left tells the driver how much power is being drawn. The central display shows the range in the status bar and presents all key information from the infotainment and navigation systems. It also provides the driver with relevant data from the vehicle's communication with its surroundings.

The racing-inspired lightweight bucket seats combine excellent lateral support with comfort. The contrasting colors – snow white and cognac – define the various elements of the interior.


Drivetrain
Powering the Audi e-Tron is a fully electric drivetrain which features four motors – two each at the front and rear axles, making the e-Tron concept a true quattro. Combined the four motors produce 313 hp (230 kW) and 4,500 Nm (3,319.03 lb-ft) of torque. This enables the e-Tron to bolt to 62 mph (100 km/h) in just 4.8 seconds, the top speed is limited to 124 mph (200 km/h). On a full charge the range for the e-Tron is estimated at 154 miles.


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