The Audi e-tron concept car was unveiled at the 2009 Frankfurt motor show. Similar in appearance to the R8, but slightly smaller, it is powered by four independent electric motors, two mounted within the centre of the front axle and the other two within the rear axle, each produces 79 PS (58 kW; 78 bhp) and 1,125 newton metres (830 lbf·ft) of torque. It produces a total of 317 PS (233 kW; 313 bhp) and a sceptical 4,500 newton metres (3,319 lbf·ft) of torque. However the proposed torque rating is the torque measured at the wheels, not at the output shaft—as is the industry standard, the true torque rating being around 678 newton metres (500 lbf·ft).
Back in June Audiset the fastest lap time of the Nürburgring-Nordschleife for a produced-based electric car using its upcoming R8 e-tron. The final time for the electric supercar, which was piloted by German race car driver Markus Winkelhock, was a brisk 8:09.099.
Today we have a video of the epic achievement, showing the R8 e-tron covering the 12.92 miles of the Nürburgring both from inside and outside the cabin. One of the highlights of the video is the sound of the car (or lack thereof), with tire and wind noise proving dominant over the whine of the electric motors.
From motorsport to series production: the digital rear-view mirror
- Intelligent camera/monitor system ensures an ideal view
- New technology goes into series production with the Audi R8 e-tron
- Successful debut in the Audi R18 Le Mans race car
Audi is set to make driving even safer with a new technology: the digital rear-view mirror delivers brilliant images and is due to enter small-scale production in the Audi R8 e-tron at the end of this year. This model – like the current Le Mans winners – has no rear window and hence no conventional rear-view mirror. Its high-tech successor is the digital rear-view mirror – a camera/monitor system.