Audi is bringing the limited-edition RS6 Avant GT to the U.S. for 2025, paying homage to the iconic Audi 90 Quattro IMSA GTO race car. The RS6 Avant GT gains a retuned 4.0-liter twin-turbo V8 ...

Featuring twin turbochargers and dual intercoolers, the 2003 Audi RS6’s engine is a 4.2-liter V-8 powerplant that generated 450 horsepower and 415 pound-feet of torque. In 2003, the Audi RS6 was the ...

Are you looking to buy a car but can't decide between a Audi RS6 or Toyota Prius V? Use our side by side comparison to help you make a decision. We compare design, practicality, price, features, ...