BMW 5 Series Gran Turismo (2015) is 217 mm (8.54 inch) longer, 163 mm (6.42 inch) higher and has 168 liters (5.93 ft3) bigger cargo space than Ford Mustang (2018).
Ford Mustang (2018) is 15 mm (0.59 inch) wider and 318 kg (701 lbs) lighter than BMW 5 Series Gran Turismo (2015).