The 2018 Audi S4 is the performance variant of the A4 sedan, and it comes standard with all-wheel drive. S4 Premium Plus: The base Premium Plus trim comes standard with 18-inch alloy wheels ...

The 2015 Audi S4 is an all-wheel-drive sports sedan that is the performance variant of the A4. Its sole powertrain is a supercharged 3.0-liter V-6 with 333 hp and 325 lb-ft of torque paired to a ...

Audi Australia marketing general manager Immo Buschmann points out that the new model has more torque than the previous one and, more importantly, better fuel economy.The S4 arrives in quattro ...