The Audi S5, in terms of engine, can not remain as it is equipped with a version of "deflated" V8 engine of the Audi R8, usually producing a cavernous sound "rales deaf low speeds, roar and even stronger meowing loudly when approaching the red zone. "While the benefits of Audi R8 420 hp, the Audi S5 V8 that develops 354 hp is at 6800 rev / min, still allowing to reach the 0 to 100 km / h in 5.1 s. The maximum torque is 440 Nm delivered at 3500 r / min.