Audi's legendary Sport Quattro S1 was a powerhouse of international rally in the Group B era of the 1980s, but due to its short wheelbase it was always a bit difficult to drive and resulted in lots of ...

Bulgarian tuner Prospeed has built a replica of Audi's fabled S1 World Rally Championship mauler out of a garden-variety Audi Coupe, and it's a convincing-looking beast. Helping in its bid for ...

Audi claims 40.4mpg on the combined cycle (39.8mpg for the slightly heavier S1 Sportback), but in reality that figure will be closer to 32mpg in mixed driving. On a steady run that’ll creep up ...

Combined with the unimpeachable traction of the Quattro four-wheel-drive system that torque output gives the S1 serious point-to ... A290 to the five-cylinder Audi RS… ...