Car enthusiast ThatDudeInBlue reviews a modified Audi S4 B5 with a twin-turbo sleeper sedan setup.

What do you do when you own an Audi RS4 that has been taken deep down the aftermarket hole and is now the perfect definition of a sleeper? You take the thing to a drag racing event, of course! Well, ...

We've shown you a dark metallic grey S4 Avant a few days ago, and here's another member of the family that Audi brought to the launch event in Bolzano, Italy. When it comes to the quattro brand, you ...

View post: Here’s How Automakers are Raising New-Car Prices Without Changing the MSRP Car and Driver sat down with Audi’s global head of product engineering, Michael Dick, to discuss the future of the ...

HT Motorsports, EFI Express and Advanced Technologies are still at it, swapping a RS6 motor into customer Bryan Whitmore’s ’07 RS4. While the project is awaiting a few components they’ve been busy ...

We're blasting down the short straightaway in excess of 110 mph, grabbing gears faster than you can think, breathing the throttle at the kink with turbo popoff valves tweeting, and hauling the 1.5-ton ...

If you wanna make gobs of meaty, reliable power, then the Bow Tie brand can deliver. That’s why both of the machines running in this drag race are equipped with Chevy engines, although the execution ...