But even among Fox Body Mustangs, few are as rare or as intriguing as this particular one found recently, thanks to YouTuber ...

Created as a show car ahead of the Fox Body Mustang's debut, this unique concept is the only drivable example in existence.

Also, you might notice one particularly rare option fitted on this 1979 fox-body Mustang – the sunroof – a Flip-Up Open Air roof, as Ford coined it in the official marketing literature.