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 ...

Audi kept things commendably simple with the A1 and S1's cabin. The infotainment system does now feel a generation out of date, though, with clunky graphics and a slightly dim-witted sat-nav.

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 ...

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The S1 will streak to 100km/h in 5.9 seconds thank to the traction aid of quattro all-wheel drive. All Audi S1s come with a six-speed manual Despite a pretty solid hammering during its week with us, ...