Powered by a 4.2-liter V8 engine, it produces 450 horsepower and 317 lb-ft of torque, enabling a 0-60 mph time of around 4.5 seconds. The RS5 features Audi's renowned Quattro all-wheel-drive system, ...
Audi's RS5 might not offer a V8 either, but it does offer 50 percent more cylinders than the new hot Benz. That gives it at least 50 percent more character and a 50 percent better noise coming out ...