The Audi S1 is the only series production car based on the PQ25 platform that has AWD. It and the limited edition A1 Clubsport quattro had to be fitted with unique fully independent rear suspension.

Given how long Audi has been having success with marketing quattro as a sub-brand, it’s surprising how long it took to release a series production small car with all-wheel drive. Was the S1 worth the ...

Audi has just officially pulled the covers off the S1 quattro and it's all we expected… and more. Both S1 and S1 Sportsback five-door version of the car will be powering onto Europe's roads to the ...