50 years. While its rivals have come, gone, and come back again, the Ford Mustang has been here the whole time. As overused as the term is today, it's a genuine icon. And not just on America's roads—for as long as it's been around, the Mustang has stormed the country's racetracks, further cementing its legend. These are the five greatest Mustangs to ever trade paint with the competition over the last 50 years.