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 ...

Understated almost to the point of anonymity, the S4 is the mid-level performance version of the Audi A4 saloon. Swapping between twin-turbocharged, supercharged V6 and even a naturally aspirated ...

Audi has announced that its new S4 saloon and Avant estate will be powered by a diesel engine for first time. BMW 3 Series vs. Mercedes-Benz C-Class: which is the best executive saloon?