This 2005 Audi S4 Avant Quattro spins all four of its wheels. That's important since, from the factory, it was given 339 ...

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 ...

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 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for the S4 is $26,370, with pricing ...

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 ...