Still, it would have been unreal to hear a twin-turbocharged 6.0-liter V12 TDI engine's bassy thrum right behind the R8's ...

Audi became only the fourth team in history to compete in the historic 24 Hours of Le Mans Prototypes competition with a diesel-powered entrant. The R10, powered by a 5.5-liter V12 TDI engine and ...

Already in Europe, one in every two Audi’s sold featured a TDI engine. The R10 Spyder made 650bhp and over 800lb ft of torque. It was truly a monster, only to be tamed by the best drivers in ...