The Audi R8 e-tron Spyder is a sports car with hybrid drive and was first unveiled at the 2010 Paris Motor Show the public. Based on the Audi R8 e-tron, which provided at the IAA 2009 a lot of attention, the Roadster was not designed as an electric car, but draws on the concept of hybrid vehicles such as the Honda Insight and Toyota Prius. Thus the Audi R8 e-tron Spyder form two electric motors on the front wheels and a V6 TDI diesel engine at the rear axle, the task to drive the sports car. In this equipment, the Audi R8 e-tron Spyder is a maximum distance of 50 kilometers purely by Eletromotor travel before the housed in the rear diesel engine takes care of the driving of the Audi R8 e-tron Spyder. If necessary, the powerful TDI switched to earlier. Alongside the diesel engine also provides the necessary power for charging the batteries in the sports car, the parallel via regenerative braking (regenerative braking) are fed. The aluminum spaceframe construction, together with parts made of carbon fiber to provide a good waxed ratio of the Audi R8 e-tron Spyder cars, so that the CO ² emissions can move at 100 km g /.