Driving the Audi RS5 Quattro coupe is like being in a forbidden relationship. You know you shouldn’t be doing what you’re doing. But it feels so very good doing it, you don’t want to stop ...

With its twin-turbo 2.9-liter V-6 pumping 444-horsepower to all four wheels, the RS5 will rip through the 0-60 mph sprint in 3.7 seconds and blast on to a potential top speed of 174-mph.