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Concept: Audi R8 Diesel

By KBB.com Editors on January 29, 2008 1:05 PM
A diesel-powered exotic car can't be any more preposterous than a diesel-powered racecar, right? Featuring a 6.0-liter, twin-turbocharged V12 variant of the V10 diesel powerplant used in Audi's Le Mans-dominating race cars, Audi claims the R8 V12 TDI concept car will reach 60 miles per hour in about four seconds on its way to a top speed around 185 mile per hour. Even with more than 500 horsepower and 700 pound-feet of torque at its disposal, the R8 diesel can reportedly return highway fuel economy in the low 20-mpg range -- while Audi's "AdBlue" urea injection enables it to pass rigid U.S. diesel emission standards.
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