2010 Audi S4

Oct. 31, 2011
sgersh: Cars.com's Joe Wiesenfelder takes a look at the 2010 Audi S4. It competes with the BMW M3, Cadillac CTS-V, Lexus IS-F and Mercedes C63 AMG.
cars.com
Correction: Clarification:

 
Read what others are saying