 The Audi e-tron Detroit showcar (confusingly, also named "e-tron") includes 2 electric motors driving the rear wheels with a combined output of and , lithium-ion batteries behind passenger compartment and ahead of the rear axle, adaptive matrix beam LED headlight modules with clear glass covers, fully automatic light assistance system, Audi Space Frame with doors, lids, sidewalls and roof made of a fiber-reinforced plastic; built-in central display with integrated MMI functions, front axle hydraulic fixed-caliper brake, electrically actuated floating-caliper brakes mounted on the rear axle, heat pump, triangular double wishbones made of forged aluminum components at the front and rear axles, direct rack-and-pinion steering, 19-inch wheels of 35-spoke design, 235/35 front and 255/35 rear tires.The concept car can accelerate from 0 to 100 km/h (0 – 62.14 mph) in 5.9 seconds.The vehicle was unveiled in the 2010 North American International Auto Show in Detroit.