Watch our video of the Audi R8 V12 TDI Concept debut. For more on the newest concept from Audi, click here. Stay tuned for more video premiers from the 2008 Detroit Auto Show, they will be going up all this week.

Watch our video of the Audi R8 V12 TDI Concept debut. For more on the newest concept from Audi, click here. Stay tuned for more video premiers from the 2008 Detroit Auto Show, they will be going up all this week.