BMW 8 Series (G16) (2019) is 298 mm (11.73 inch) longer, 16 mm (0.63 inch) wider, 13 mm (0.51 inch) higher and has 116 liters (4.10 ft3) bigger cargo space than Ford Mustang (2016).
Ford Mustang (2016) is 82 kg (181 lbs) lighter than BMW 8 Series (G16) (2019).