Here's Why Ford Didn't Make a Mustang Shelby GT500 Convertible - The Drive
In short, the GT500 is a muscle car enthusiast’s poster car, which is exactly where Ford CEO Jim Farley wants it.
That poster car, however, is going to be restricted to a hardtop, as Ford isn’t going to push the S550 platform to accommodate a convertible version.It remains to be seen what the Ford S650 generation will be able to accommodate; we do know that Farley and the rest of his team at Ford are staying quiet about its next-gen Mustang, for now. .