Munich RS is Audi's ultimate prefix, surpassing the S models and denoting maximum performance. U.S. buyers have only seen one RS model-the 2003 RS6, a wild-child A6 rumbling with a blown, 450-hp V-8.

The 2007 Audi RS4 arrived at a moment when performance sedans were defined by turbo torque and straight-line numbers, then calmly rewrote the script with a high-revving V8 that begged to be chased to ...

Audi has been building RS-badged wagons for over 25 years, and they pack more power and more visual punch with every new generation. But for some Quattro fans it’s the original RS4 that’s still the ...

The original Audi RS4 might be wearing its years well, but make no mistake—it hails from a different time. When it was launched in 1999, we were still living in the age of dial-up internet access, the ...