BMW 4 Series Gran Coupe (2018) is 1081 mm (42.56 inch) longer, 181 mm (7.13 inch) wider and has 268 liters (9.46 ft3) bigger cargo space than Seat Mii (2017).
Seat Mii (2017) is 89 mm (3.50 inch) higher and 781 kg (1,722 lbs) lighter than BMW 4 Series Gran Coupe (2018).
