From a 4.2-liter V8 to a 5.2-liter ... the idea of putting a twin-turbo V12 engine in the Audi R8. The proof of concept was a model called the Audi R8 TDI Le Mans, and it envisioned a crazy ...

With Audi's introduction of the Audi R8 V12 TDI, we got to look at the most unique aspect of this supercar - its diesel engine.Compression-ignition motors may be commonplace everywhere else in the ...

Autoweek and Fourtitude were able to enjoy some seat time in the Audi R8 V12 TDI LeMans concept before its official unveiling in Geneva last week. Their drive was short (about an hour with a 50 ...