10 Most Powerful Sedans

7. Audi RS7
Power: 560 Horsepower

The Audi RS7 is an extremely powerful sedan. The car features a stylish design and is powered by a twin-turbo 4.0 liter V-8 engine rated at 560 horsepower and 516 lb-ft of torque. The car is sold performance-tuned, and features all-wheel drive, an eight-speed automatic transmission and lowered suspension. The RS7 comes priced in the six-figure price range, and gets a gas mileage rating of 14 MPG (city) and 24 MPG (highway) putting it slightly above average when compared to other Muscle cars that one will find on the market.