Are you looking to buy a car but can't decide between a Audi S4 2021 or BMW 4 Series 2022? Use our side by side comparison to help you make a decision. We compare design, practicality, price, features ...

The Audi S4 isn't the most exciting choice when compared with other hot German compact sedans, but it's probably the one you should buy.

Compare the 2023 Audi S4 and 2023 BMW 7 Series. Uncover the best in specs, performance, and innovation for your next ride.

Closer Than Ever Before. Read our luxury sport sedan comparison between the 2009 BMW 335i and 2010 Audi S4, at Automobile Magazine online.

The nameplate dates back to the Audi 100-based Ur-S4 that debuted at the start of 1990s to pick a fight with angrier variants of BMW 3-Series and Mercedes C-Class sedans.

The West Virginia-based tuning firm is debuting its new Signature Series S4 and S5 Cabriolet at the 2010 SEMA show, both featuring an uprated version of Audi's forced-induction six-cylinder.

Audi has changed that with the new S4 cab, the ultimate all-weather droptop. Yes, the BMW M3 convertible is quicker, but the S4's year-round capabilities give it the edge in my book.

CARLSBAD, Calif. – It’s only natural to be seduced by whatever is newest. It’s part of the reason I get to do what I do: People are eager to know about the ...

Edition One models are priced from $99,900 plus on-road costs for the S5 Sedan – the first sub-$100,000 Audi S variant of its ...

The vast majority of racing series in the world have some level of restriction on aerodynamic elements. Take that away, though, and you get truly wild cars, like this Audi S4 from aftermarket shop ...

The performance-oriented S4 sport sedan is very closely related to the A4, and the A5 Sportback is also part of the extended family. So, as the BMW 3 Series and Audi A4 face off for the 2025 model ...