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For Audi enthusiasts, there’s no car more iconic than the S4. First seen in 1992 as the UR-S4 and later as the iconic B-segment car in 1999, the B5 Audi S4 launched with a twin-turbo V6 as a response ...

Shop 2018 Audi S4 vehicles in Clarksville, MD for sale at Cars.com. Research, compare, and save listings, or contact sellers directly from 3 2018 S4 models in Clarksville, MD.

1.3L I-4 gasoline direct injection, Multiair variable valve control, intercooled turbo, premium unleaded, engine with 177HP (1) 1.4L I-4 gasoline direct injection, DOHC, variable valve control, ...