The 2013 Quattro Audi S4 and Audi A4 have been refreshed and revitalized with new and more modern sheet metal, revised headlamps and minor tweaks to the car’s interior. But the real fun news is under the hood of the supercharged Audi S4. With 333 horsepower and Quattro all-wheel-drive the Audi S4 is the fastest [...]
