Audi S Line Gets New 4.0T V8, Brings RS5 to America By Stephen Elmer Jul 19 2012 Share this Article Tweet For 2013, Audi is introducing a new 4.0T twin-turbo V8 engine into the S6, S7, and S8 models, as well as bringing the RS5 across the pond to the American market. Continue Reading... Filed under: Audi Featured Articles German Luxury Cars Sports Cars TechnologyTags: Audi, Audi pricing, audi rs5, Audi RS5 price, audi s5, audi s6, audi s7, audi s8, Audi S8 price, Audi sports cars, german cars, S5 price