Audi S4 B9 with a turbo upgrade highlights a performance-focused build centered on the car’s V6 engine and exhaust note. The ...

The German tuning company from Wettstetten managed to add 100 HP to the factory Audi S4. This was done thanks to a new electronic device from the tuner's Cantronic range. The M-Cantronic, as it is ...

Avus Performance has released a new tuning kit for the 2010 Audi S4, which includes a set of exterior modifications, a new suspension and an engine upgrade. The German sedan’s supercharged 3.0 liter ...

Discover 8 twin-turbo V6 engines tuners worship, from Audi's 2.7T to Alfa Romeo's 690T, and why they're modification ...

Say goodbye to the gasoline-powered S4. This is likely its final model year, as next year the A4 lineup it springs from is expected to become all-electric. Audi sends off the gas model properly with ...