The Audi RS6 is a high-performance variant of the Audi A6 mid-size luxury car. It is a five-door station wagon that was first introduced in 2002, and is currently in its fourth-generation. The RS6 is powered by a 4.0L twin-turbo V8 engine that produces 600 horsepower and 590 lb-ft of torque. It is capable of accelerating from 0-60 mph in 3.6 seconds and has a top speed of 189 mph. It also features unique styling, sport-tuned suspension, and performance-oriented features that aren’t offered on other A6 models.