The all-new Mustang GT4 turnkey race car builds on the legendary nameplate’s global reach. Mustang is one of the most prominent automobiles in the history of North American motorsports, including the SCCA Shelby GT350R of the 1960s, Trans-Am Boss 302 of the 1970s, the more recent FR500, Boss 302R and 2016 championship-winning Shelby GT350R-C. The all-new Mustang GT4 expands the pony’s stable to a global audience.