Audi’s A6 mid-size sedan was redesigned for 2019, and for 2020, the S6 model is rejoining the lineup ... and a rear diffuser inlay in black chrome matte.

But wait, there’s more: If you’re a car shopper with a need for speed, the S6 ... matte gray or optional matte carbon. Standard features include: Available features include: The Audi A6 ...