The Audi S4 is a high-performance variant of the Audi A4 saloon, which commands a premium of around £18,000 over the cheapest model in the A4 range. For that, you’ll get a turbocharged 3.0 ...

It’s difficult to believe that the Audi S4 and Mercedes-AMG C43 can be so similar on paper simply by coincidence. I don’t want to start a full-blown, Trump-style conspiracy, but is Audi sure ...

Interior material quality is second-to-none. A powerful 252-horsepower engine combined with Audi's excellent quattro all-wheel-drive system, and the A4 gives BMW's 3-Series and Mercedes' C-Class a ...

Audi would probably prefer you not to realise this, but the five distinct versions of S4 and S5 on the market all pertain to a single performance and equipment formula spread across five different ...