Now with a 3.0-liter supercharged V-6 engine that puts the BMW 335's inline six to shame, Audi's S4 may just be the most entertaining entry-level performance luxo sedan available. Read More
2010 Audi S4
Find out everything there is to know about the 2010 Audi S4. Discover basic facts, advanced data, unbiased user ratings and reviews, MSRP, market value, black book price, photos, spec details and vehicle comparisons for Audi at DriverSide.com.