2011 Audi S4 Review – Exciting Supercharged Sharpness
As Audi’s answer to the BMW 3 Series and Mercedes-Benz C-Class, the 2011 Audi S4 has a lot to live up to. And it doesn’t disappoint. For 2011, Audi has upgraded the engine, making it even more potent and dynamic than before. But that’s just one of the things that makes this car so appealing….
