BMW 8 Series (G15) (2018) is 1005 mm (39.57 inch) longer, 175 mm (6.89 inch) wider and has 15 liters (0.53 ft3) bigger cargo space than MINI Countryman (2020).
MINI Countryman (2020) is 74 mm (2.91 inch) higher and 733 kg (1,616 lbs) lighter than BMW 8 Series (G15) (2018).