Experienced tuners in the modding community know the B5 S4’s twin-turbo 2.7-liter V6 doesn’t need a whole lot of work to become a performance monster. A modest ECU tune wakes them up pretty ...

Renn27 is doing just that, and it’s a cheat code to make a Porsche 911 Turbo for potentially far ... it helped the B5 S4 secure legend status among enthusiasts. This V6 lump can be tough to ...

This was the first time the S4 badge was applied to the smaller B-class platform, as its Ur interpretation was based on the bigger C-series A6. At the time, the twin-turbo V6-powered B5 S4 was the ...

The B5 S4 debuted in 1998, with U.S. sales commencing the following year. At the time, the twin-turbo V6-powered S4 was the quickest sedan in Audi's stable. This one's an Avant and comes in Imola ...