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 ...

Audi's S4 seems to be quite attractive for tuning companies out there, especially for German houses who struggle to get more power from the existing 3.0-liter TFSI engine. After both Wettstetten and ...

It doesn't have an "A" in its name, but the S4 is effectively the top Audi A4, as well as the lineup's hottest performance variant. The current generation of the compact sport sedan was new for 2017 ...

Automotive expert David Patterson reflects on how the Throtl Audi S4 made him completely rethink what modern German ...