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Audi R8 e-tron Technology Demonstrator - Frankfurt Auto Show

By KBB.com Editors on September 16, 2011 3:21 PM
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The latest and reportedly closest-to-production spec Audi R8 e-tron turned up in Frankfurt with only modest styling variations from the original prototype that debuted in concept form at the last event held here in 2009. This new version sports a revised grille and more conventional headlamp treatments plus additional cooling vents on the hood. A contrasting side accent band and slightly revised rear fascia complete the minor appearance tweaks.

>See more new cars unveiled at the 2011 Frankfurt Auto Show

Audi provided no further update on the electro-mechanical elements of this zero-emissions supercar. Based on the same aluminum spaceframe architecture that underpins Audi's conventional R8 model, the e-tron is fitted with four individually controllable electric motors fed by a high-capacity lithium-ion (Li-ion) battery pack mounted behind its passenger compartment. The motors make a collective 313 horsepower but crank out a stunning 3,319 lb-ft of total torque, which can be selectively vectored to the wheel/wheels. Performance data for the original R8 e-tron Concept cited a 4.8-second 0-60 mph time and anticipated it traveling 154 miles on a single charge. However, given the range-ravaging nature of a supercar speeds exacts, top speed is likely to limited to 124 mph.

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