2019 Audi RS7 Spied Testing its 600+ HP V8

The new 2019 Audi RS7 has been spied undisguised and out in the open, giving us a sneak preview of the high-performance five-door ahead of its arrival later this year. Denoting this A7-based prototype as an RS7 are its widened front intakes, pronounced fender flares and massive…