2005–06 Ford GT: +48%

Despite a production run of 4,000, the GT is a hot commodity according to Hagerty. The car has tacked on sizable gains. In the last six years it is a 48% rise in value. Today, a #2 (excellent) example will cost about $590K. For the money gets a supercharged 5.4-liter V8 pushing 550 hp and 500 lb-ft of torque. It hits 60 mph in roughly 3.5 seconds. Paired with a Ricardo 6-speed manual, it is now among the most collectible analog supercars.