BMW 8 Series (G15) (2018) is 985 mm (38.78 inch) longer, 175 mm (6.89 inch) wider and has 174 liters (6.14 ft3) bigger cargo space than MINI Cooper (2017).
MINI Cooper (2017) is 73 mm (2.87 inch) higher and 742 kg (1,636 lbs) lighter than BMW 8 Series (G15) (2018).