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Our buddy Luca and his gang of Italian viscounts at say Audi may be preparing to drop its LeMans-winning V12 TDI motor into the A8 flagship. That would bring between 500 and 650 horses (depending on turbos and tuning) and just over a gajillion lbs.-foot of torque to the limo. We're still convinced the company will also drop the 5.5-liter mill into its R8 sports car, but that likely won't happen until at least a year after launch.

Audi A8: monter il V12 TDI della R10? []

Audi Launches R10 LeMans Racer: Yes, It's a Diesel; More on the Audi R10 racer [internal]