The diesel V6 was even more of a correction, putting 40mpg to within the grasp of Audi semi-supersaloon drivers. In the petrol B9 S4, launched in 2016, the single-turbo petrol V6 was good for ...

Watch the Audi RS4 Avant B9 and Alfa Romeo Giulia Quadrifoglio go head-to-head in a power-packed battle! With 735HP vs. sheer ...

In fact, only the boot lid, roof and bonnet are shared with the current B9 A4, signalling the importance Audi is placing on ... the latter powering the new S4 TDI. Three petrol versions are ...