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 ...

The Vortec 6000 doesn't really get the attention it actually deserves. The only engine of the Gen 3 small-block family to feature a cast-iron block is particularly good for high-output applications, ...

The seller of today's Nice Price or Crack Pipe Audi says he's dropped his price. That's always a good thing, but we'll still need to see if this twin-turbo hauler has even farther to fall. They say ...

The stock Audi S4 Avant, from the B5 generation, used to be pretty fast back in the day, but this tuned example is much more powerful. How much? Well, it is powered by a 3.0-liter RS4 engine with a ...

Experience the raw power of this 1,250HP Audi S4 B5 Bi-Turbo as it rockets from 0 to 318 KM/H with mind-blowing speed! Listen to the aggressive exhaust, brutal turbo sounds, and insane accelerations.

Oh, Audi. Why do you tempt us? The B5 S4 is, of course, the fairly hot version of the first-generation A4. To get any hotter, we'd have to stray into RS territory. But S seems like just the right ...

The late 1990s and early 2000s are, in my opinion, a high watermark for German performance cars, mainly due to three cars from three different manufacturers that captured enthusiasts’ hearts. The year ...

Cars may depreciate, but maintenance costs do not. This is an important detail to keep in mind when considering the best turbocharged cars under $25,000. While it may be possible to find a good deal ...

The seller of today's Nice Price or No Dice S4 says no test drives without cold hard cash or certified funds in hand. Let's see if this Audi is priced to make it worth waving a wad to get behind the ...

What is it: The 2018 Audi A4 is a compact sports sedan that delivers near-sublime driving pleasure. All A4s come with Audi’s venerable 2.0-liter turbo I4. A V6 under the hood requires an S4 badge on ...