The sixth generation Mustang was unveiled on December 5, 2013, in Dearborn, Michigan; New York, New York; Los Angeles, California; Barcelona, Spain; Shanghai, China; and Sydney, Australia.[66] The internal project code name is S-550.[67]

Changes include widened body by 1.5 inches, 1.4 inches lower body, trapezoidal grille, and a 2.75-inch lower decklid, as well as new colors. The passenger volume is increased to 84.5 cubic feet, wheelbase is still 8 ft. 11.1 in. (107.1 in.), and three engine options are available: a newly developed 2.3 L EcoBoost 310 hp four-cylinder introduced to reach high tariff global markets like China,[68] 3.7 L 300 hp V6,[69] or 5.0 L Coyote 435 hp V8, with either a Getrag six-speed manual or six-speed automatic transmission with paddle shifters.