Audi’s stillborn Group S rally car had its engine in the middle, and there’s just one left today. At the height of the Group B rallying formula, things started to get out of hand, with spiraling ...

Veteran racer Mattias Ekström campaigns the meanest looking Audi S1 on the block in the FIA World Rallycross Championship. With 600 horsepower on tap, it can reach 60 miles per hour in a claimed 1.9 ...

Audi's legendary Sport Quattro S1 was a powerhouse of international rally in the Group B era of the 1980s, but due to its short wheelbase it was always a bit difficult to drive and resulted in lots of ...