Get ready for an epic drag racing showdown featuring some of the wildest tuner cars on the planet. From a 1200HP twin-turbo Audi R8 to a 700HP BMW M3 Touring, a Pure Turbos M3, and a beastly RS4.

This video follows an Audi RS4 Quattro as it attempts to climb and navigate a steep, snowy ski slope in the dark. The deep snow and slippery surface push the car to its limits, leading to one of the ...

The 2007 Audi RS4 is a unique offering for those shopping for supercar performance in an ordinary appearing four-door sedan. Unlike the Mercedes-Benz or BMW offerings, you get Audi's vaulted quattro ...

The 2008 RS4 offers supercar performance within a restrained four-door sedan design, and Audi's sure-footed quattro AWD system is standard. The new cabriolet model has few peers, offering stellar ...

The design philosophy is the brainchild of new chief design officer Massimo Frascella, who plans to tone down the look of future Audis with a cleaner and more sophisticated style. The Concept C is the ...

Jason Cipriani is based out of beautiful Colorado and has been covering mobile technology news and reviewing the latest gadgets for the last six years. His work can also be found on sister site CNET ...