2011 Audi S4 pricing starts at $8,368 for the S4 Quattro Sedan 4D, which had a starting MSRP of $51,925 when new. The range-topping 2011 S4 Quattro Sedan 4D starts at $8,368 today,...

For 2011 Audi’s S4 comes closer than ever to eclipsing BMW’s best, courtesy of a supercharged V6 motor and some trick drivetrain bits. The S4 is a breathed-on version of Audi’s stalwart A4 sedan. A clean-sheet redesign last year added 8 inches to the platform’s wheelbase, making the S4 among the roomiest executive expresses on the market.

Edmunds' expert review of the Used 2011 Audi S4 provides the latest look at trim-level features and specs, performance, safety, and comfort.

Is the 2011 Audi S4 a good Sedan? Research the 2011 Audi S4 at Cars.com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory.

2011 Audi S4 3.0 Prestige quattro quattro 3.0L V6 TFSI DOHC Supercharged 18/28 City/Highway MPG 8.5J x 19" 5-Tri-Spoke Alloy Wheels, ABS brakes, Advan... HUGE AIR CONDITIONED SHOWROOM!!...

The Audi S4 takes its final bow, delivering the kind of understated performance that made it a desirable compact luxury sedan for decades.

Compare all 2011 Audi S4 trims in one place. Get KBB fair purchase pricing, fuel economy, tech, and safety features side-by-side to find the best fit for you.

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....

Get 2011 Audi S4 Quattro Sedan 4D prices, read ratings & reviews, and shop listings. Explore KBB Fair Purchase Pricing, calculate vehicle depreciation, and get trade-in and resale...