The Audi R8 Grand-Am racing car will make its U.S. debut this weekend during the 50th running of the 24 Hours of Daytona endurance race. While it looks outwardly similar to the mid-engine production R8 V10, there are major differences separating the R8 Grand-Am and its road-ready equivalent. The following video shows the R8 Grand-Am [...]Related posts:

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