BMW 5 Series Gran Turismo (2016) is 1447 mm (56.97 inch) longer, 256 mm (10.08 inch) wider, 81 mm (3.19 inch) higher and has 287 liters (10.14 ft3) bigger cargo space than Seat Mii (2017).
Seat Mii (2017) is 884 kg (1,949 lbs) lighter than BMW 5 Series Gran Turismo (2016).