the S4 is the mid-level performance version of the Audi A4 saloon. Swapping between twin-turbocharged, supercharged V6 and even a naturally aspirated V8 engine in times gone by, the B9 S4 returned ...

It’s difficult to believe that the Audi ... interior, which makes it a more pleasant car to be in and although childish, the noise it makes is more fun. The C43 steals the win from the S4 ...