2010 Ford Shelby GT500 Coupe

Ford is wasting no time rolling out variations on its perennially popular ponycar, and the restyled and revamped 2010 Ford Shelby GT500 coupe aims to trump its newfound competition with 540 hp and 510 lb-ft of torque -- that's the same 40-horse, 30-lb-ft bump the old GT500KR enjoyed over last year's GT500. In fact, the engine is little changed from KR duty, although the addition of two knock sensors allows the timing to advance a bit, and a cold-air induction system improves.

2010 Ford Shelby GT500 Convertible

Outside, the 2010 Shelby GT500 convertible gets more aggressive styling details, the functional aspects of which include a front chin splitter, hood air extractor, and rear wing with a Gurney lip, the net effect of which decreases rear downforce and increases front downforce slightly, improving overall balance by moving the center of pressure forward. Overall aerodynamic drag is little changed at roughly 0.38.