The long awaited release of the GMP Diecast versions of the 1992 red feature car and the 1993 white feature car is happening this summer. Over on the GMP (https://www.acmediecast.com/products/default.cfm?category=1985-1993 Ford Mustang#18815
) page, they are listed as available for pre-order with a ship date of July 2018. The cost listed is $139.95.
As of now there are no images available for the cars.