Audi S4 B5 V2.3 1.45 Apr 2026

Originally rated at 250–261 hp, depending on the market.

The heart of the B5 S4 is its "biturbo" engine, which delivers smooth, linear power that feels modern even decades later. AUDI S4 B5 V2.3 1.45

It is a "super sedan" in the aftermarket; simple Stage 1 tunes can push output toward 300 hp, while Stage 3 builds with K04 turbos frequently exceed 450–500 hp. Originally rated at 250–261 hp, depending on the market

The Torsen-based all-wheel drive makes it an exceptional all-weather daily driver, providing confidence in snow and heavy rain. Handling & Interior Originally rated at 250–261 hp

While the B5 S4 is fast, critics often describe its stock handling as "clinical" or "inert" compared to more spirited rivals like the BMW M3. Audi S4 (B5) | The Brave Pill - PistonHeads UK