Question: what is the difference between audi rs6 and s6?
Answer: The new S6 is suppose to have 440 hp, while the new RS6 will have 550 Hp. The S4 has around 330 HP, it is the engine in the A6 4.2, but the new Rs4 will have 414 hp V8. S6 is like a sports package, and a nicer engine. While RS6 is truely for racing.