Audi RS6 Avant GT at the 2025 Toronto Auto Show. The Avante displayed here promises over 500 horsepower.

 Audi RS 6 Avant GT – Introducing the Audi R6 Avant GT, a limited-edition model.   This vehicle is inspired by the 1989 Audi IMSA GTO race car, which was one of the race cars that solidified the dominance of Audi quattro in motorsports.