What is the rarest Mustang car?

What is the rarest Mustang car? According to MotorTrend, the 1967 Shelby GT500 Convertible is arguably the rarest Mustang of them all. If you’ve never heard of this Mustang, it’s probably for a good reason—only one exists! In the mid-’60s, the GT500 convertible got held up with production issues due to lack of fiberglass.

According to MotorTrend, the 1967 Shelby GT500 Convertible is arguably the rarest Mustang of them all. If you’ve never heard of this Mustang, it’s probably for a good reason—only one exists! In the mid-’60s, the GT500 convertible got held up with production issues due to lack of fiberglass.