This monstrous 1000HP+ Audi S4 B5 unleashes aggressive anti-lag pops, wild flame bursts, and insane road acceleration. Feel the rush as this tuned beast tears up the streets with next-level ...

The Audi A4 45 S Line Premium trims gets a sport suspension as standard equipment and adds an optional Black Optic package for the 40 Premium trim, while the S4 and A4 Allroad carry over with minimal ...

Diesel's low-rev response, some fussy facelift styling details Understated almost to the point of anonymity, the S4 is the mid-level performance version of the Audi A4 saloon that’s seen more ...

Showing the 2014 Audi S4 4dr Sdn Man Premium Plus Wondering which trim is right for you? Our 2014 Audi S4 trim comparison will help you decide.

There’s still speculation surrounding the powertrain Audi will use in the next generation S4, but it’s expected to retain an updated version of the current car’s mild-hybrid V6 diesel.

Prices shown for the used 2008 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.