Audi's legendary Sport Quattro S1 was a powerhouse of international rally in the Group B era of the 1980s, but due to its ...

That's when the legendary Walter Röhrl drove the 600-horsepower Audi Sport Quattro S1 up the mountain in a blistering 10:48. Sure, others have done it quicker since, but they've done it on ...

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Everything from the incredible 1989 Audi 90 IMSA GTO to the R8 LMP and quattro Gruppe B A2 ... a good first showing from Audi Sport and Ken Block with the Audi S1 ‘Hoonitron’, with a second ...

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If Audi Sport's early reputation was forged in the ... suddenly banned in 1986 after a spate of tragic accidents, the quattro S1 E2s fell silent for the last time and a new challenge beckoned.

There have been two modern re-imaginings of the original 1984 Audi Ur-Quattro: the Quattro Concept of 2010 (shown above) and the Sport Quattro Concept revealed at the 2013 Frankfurt Motor Show.

Audi's S1 is aiming to be king of the kids with its stiffly ... and five-spoke 18-inch alloys that are part matt black, part polished. The Quattro Interior Package ($2490) adds S Sport front seats ...

Audi's S1 is aiming to be king of the kids with its stiffly ... and five-spoke 18-inch alloys that are part matt black, part polished. The Quattro Interior Package ($2490) adds S Sport front seats ...