6. 2010 Porsche 911 GT3
What's the best way to test Porsche's top-of-the-line street-legal racer? Put it in the hands of a Le Mans racer and have him take it to Leguna Seca Raceway where another world-class driver will put the naturally aspirated, six-speed 435 hp 911 through its paces. Trust us, listen to Jay: This is the ultimate driver's car.