How many Audi Sport Quattro S1 were made?
How many Audi Sport Quattro S1 were made? Chassis-wise the Sport Quattro S1 are identified independently from the Sport Quattro series. Only 20 cars were built, whereas the last car was used in regular S1 costume in 1986 at the Pikes Peak event (see below), before seeing a change for the more extreme version in […]
How many Audi Sport Quattro S1 were made? Read Post »