Audi has done many crazy things in the past, but putting a twin-turbocharged V12 diesel engine in the Audi R8 might take the cake.

Showing the 2014 Audi R8 2dr Cpe Man quattro V8 430.0-hp, 4.2-liter, 8 Cylinder Engine (Gasoline Fuel) Wondering which trim is right for you? Our 2014 Audi R8 trim comparison will help you decide.

Showing the 2010 Audi R8 2dr Cpe Man quattro 4.2L Wondering which trim is right for you? Our 2010 Audi R8 trim comparison will help you decide.

In the case of the Audi R8, it's both; Audi has ceased production ... especially with their small red ‘Audi Sport’ flashes on each rim. Behind the ten gloss-black spokes sit massive red ...