The German specialists at ABT Sportsline decided to release yet another tuning kit for an Audi model. This time is the S6 Avant which in the tuner’s portofolio is known as the AS6-R. Under the hood, the 4.0-liter V8 powerplant produces 600 horsepower and 750Nm of torque for a 0-100 km/h sprint in 3,9 seconds