The 2018 Audi S4 Is A 354 Horsepower Rocketsled That Proves Sedans Still Rule

The 2018 Audi S4 doesn’t look special. From a distance, it looks like any other Audi sedan—a pattern Audi recognizes and could change one day. But it’s when you get up close to the car, when you start to see a red tint to the leather and a diamond stitching in the seats, that you know there’s something more to it.