A more powerful internal combustion engine, larger uprated brakes, firmer suspension, and larger roadwheels have always been amongst the many upgrades the S4 receives over its mainstream 100 and A4 siblings. In markets where the even higher-performance Audi RS4 is not offered, the S4 is the top-of-the-line trim of the A4 family.
2011 Audi S4
2011 Audi S4
2011 Audi S4
2011 Audi S4
2011 Audi S4
2011 Audi S4
2011 Audi S4
2011 Audi S4