The Audi S4 is the automaker's original compact sports sedan, priced above the Audi S3 sedan and below the Audi S6, S7, and S8 sedans in the automaker's S series of sporty four-door models.

The Audi S4 is the automaker's original compact sports sedan, priced above the Audi S3 sedan and below the Audi S6, S7, and S8 sedans in the automaker's S series of sporty four-door models.

Engine has not been tampered with. Interior still smells like new leather. The Audi S4 price depends on several factors, including the trim level, optional features, mileage, vehicle history and ...

This car still out-performs a lot of todays cars. The Audi S4 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide ...

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 ...

A powerful 252-horsepower engine combined with Audi's excellent quattro all-wheel-drive system, and the A4 gives BMW's 3-Series and Mercedes' C-Class a serious run for the money, while its sporty ...

It’s difficult to believe that the Audi S4 and Mercedes-AMG C43 can be so similar on paper simply by coincidence. I don’t want to start a full-blown, Trump-style conspiracy, but is Audi sure ...

The Audi A4 and S4 are a compact luxury sedan. They aim to bring a high quality all-around driving experience to buyers looking for a bit of practicality and luxury in the mid $30,000 range. With more ...