Three Audi customer teams bank on mid-engine sports car Audi R8 GT leads formation lap quattro GmbH provides official vehicles Ingolstadt, May 11, 2010 – More than 200 vehicles will contest the Nürburgring 24 Hours this weekend – including seven Audi R8 LMS cars entered by the Audi customer teams ABT Sportsline, Black Falcon and [...]