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Released in 1985 as a Group B homologation model, the Audi Sport Quattro S1 hit the scene with a 20-valve inline-five, and then Audi upped the game again with the release of the Audi Sport Quattro ...

Every gearhead should know about the Audi Sport Quattro S1. It was a Group B World Rally Championship legend back in the early '80s, along with other incredible competitors like the Ford RS200 ...

Racing driver Walter Rohrl, Group B monster Audi Sport quattro S1, and the treacherous Pikes Peak Hill Climb are iconic in and of themselves, but when combined, it marks a legendary moment in the ...

It's certainly more interactive than the dual-clutch option you'd expect of a performance Audi, and therefore something to be celebrated. Like many Volkswagen Group products, a slightly over ...