The stunning Audi RS5 coupe is available only in one variant, which is equipped with a 4.2-litre V8 FSI petrol engine. It has 8 cylinder with 32 valves having displacement of 4163 cc. RS5 generates a peak power of 443.8bhp in combination with torque output of 430 Nm. It uses the FSI direct petrol injection technology. In FSI technology, the fuel is injected directly into the combustion chamber where it is then highly compressed. This creates a very uniform fuel/air mixture, resulting in very efficient combustion and consequently in improved power delivery and power yield. In addition, direct fuel injection cools the combustion chambers so that engine compression can be increased, bringing advantages in both output and torque.