With downsizing engines now the norm, Audi replaces the high-revving naturally aspirated V8 in the old RS5 to a new twin-turbo 2.9L V6 from Porsche. Producing the same 450 horsepower but nearly twice as much torque, the new RS5 should put up a good fight against the BMW M4 and Mercedes-AMG C63S.
2018 Audi RS5 – Redline: First Look – 2017 NYIAS
