Ford Fiesta (Sedan) (2015) is 77 mm (3.03 inch) higher, 643 kg (1,418 lbs) lighter and has 30 liters (1.06 ft3) bigger cargo space than Ford Mustang (2020).
Ford Mustang (2020) is 380 mm (14.96 inch) longer and 193 mm (7.60 inch) wider than Ford Fiesta (Sedan) (2015).