audi s4

The Audi S4 is the high performance variant of Audi's compact executive car. The original Audi S4, built from 1991 until 1994, was a performance-oriented version of Audi's 100 saloon/sedan. All subsequent S4s since 1997 have been based on the Audi A4; and as the A4 has evolved from one generation to the next, so has the S4.A more powerful internal combustion engine, larger uprated brakes, firmer