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The 2013 Audi S4 presents buyers with a unique proposition: a performance sports sedan with more performance than a BMW 3 Series or Mercedes-Benz C-Class.
Confirmed by sister publication Motor Trend's editor-in-chief, Ed Loh, Audi's U.S.
Thanks to the latest Iron Man movie, the Audi R8 has once again been catapulted into the spotlight.