At the top of the heap is the TT RS coupe, which is powered by a turbocharged 2.5-liter five-cylinder engine that makes 394 hp. Rivals to this Audi performance trio include the Mercedes-Benz SLC ...

Using that feisty wagon as inspiration, designer Davide Virdis whipped up a theoretical first-gen TT RS, had Audi leaned on its Porsche corporate sibling for a high-performance sports coupe.

Watch the BMW 335i take on the Audi TT RS in an intense 1/4 mile drag race! Which car will dominate the straight-line speed ...