Audi has stolen a march on every other sports car manufacturer by unveiling the world’s first diesel supercar. The R8 V12 TDi, seen for the first time today at the Detroit motor show, could kick starts a new era of performance diesels; it is faster, more powerful and has much more torque than the petrol-powered R8.
Powered by a 5.9-litre 12-cylinder twin-turbo diesel with 738lb ft and 493bhp, the R8 V12 will crack 62mph in 4.2 seconds. That’s a symbolic 0.4sec faster than the petrol R8, but t...
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