The Audi Quattro remains one of the most legendary cars in the history of rally racing. However, the public model was ...

Here's the car that kicked off Audi's all-wheel-drive legacy. With a turbocharged inline-five and two locking differentials, the Ur-Quattro defined all-weather performance. This one has just 56K ...

Enter the Audi S2 Coupe, complete with a now legendary 20v five-cylinder turbocharged engine and quattro drivetrain. A stylish machine of considerable quality, it faced formidable opposition in ...