There's much happening at Audi these days ... It's also wider than a typical S6, and it sports a different exhaust setup at the rear with dual pipes placed closer to the center of the car.

Audi sells S cars with combustion engines but no visible exhaust tips. Audi wasn't kidding ... the situation is a bit different. The S6 Sedan, S6 Avant, and S7 Sportback have dropped the fakery ...