A powerful lineup of European performance cars — the 788HP Mercedes E63 S AMG, Dukedesign C63 S, 530HP MTM Audi RS5, and 700HP Milltek RS6 — unleashes full acceleration. From roaring V8 power to tuned ...

Update 11/10: The Audi RS5 has been caught flexing its muscles yet again, this time in sedan form, strutting through another round of testing. Predictably, it’s still cloaked in the ubiquitous swirly ...

The Cadillac CT5-V Blackwing outperforms the Audi RS5 in a head-to-head comparison of American muscle vs European luxury.

Audi unveiled the redesigned A5 and S5 last summer, and now they’re gearing up to introduce the range-topping RS5 and RS5 Avant. As part of the preparations, prototypes were recently spied undergoing ...