ABT Sportsline is already offering certain conversion packages for the Audi S4 and RS4, but their latest work revolves around the regular A4 models, of the B9 generation. With their own engine control ...
Only diehard Audi fans know about the Quattro RS001, a mid-engine prototype rally car that was built in secret and destroyed by then-Audi boss Ferdinand Piech. Only one was made, and a mid-engine ...