BMW 4 Series Gran Coupe (2018) is 1081 mm (42.56 inch) longer, 181 mm (7.13 inch) wider and has 230 liters (8.12 ft3) bigger cargo space than Seat Mii (2020).
Seat Mii (2020) is 89 mm (3.50 inch) higher and 502 kg (1,107 lbs) lighter than BMW 4 Series Gran Coupe (2018).
