Seeing the complexity on working with the newer generation cars for tuning, I was desiring to have a car which is more mod ...

In the end, the UFO brakes went back to their homeworld, bidding farewell alongside the Audi V8 in 1994. The S4 and other ...

Prices shown for the used 2007 Audi S4 Sedan 4D S4 Quattro with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit options.

the S4 is the mid-level performance version of the Audi A4 saloon. Swapping between twin-turbocharged, supercharged V6 and even a naturally aspirated V8 engine in times gone by, the B9 S4 returned ...