Audi may be about to write a new chapter into the history of the supercar. Its new R8 V12 TDi is, many argue, the world's first diesel-powered alternative to a Ferrari, Porsche, Lamborghini or AMG Benz. We've driven it - you can read our exclusive first drive by
clicking here - and you can also watch Audi's video footage of the car below.
"Full throttle in this car makes you painfully aw...
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