BMW 8 Series (G15) (2018) is 766 mm (30.16 inch) longer, 151 mm (5.94 inch) wider and has 102 liters (3.60 ft3) bigger cargo space than Ford B-Max (2020).
Ford B-Max (2020) is 263 mm (10.35 inch) higher and 645 kg (1,422 lbs) lighter than BMW 8 Series (G15) (2018).