BMW 8 Series (G14) (2018) is 766 mm (30.16 inch) longer, 151 mm (5.94 inch) wider and has 32 liters (1.13 ft3) bigger cargo space than Ford B-Max (2015).
Ford B-Max (2015) is 265 mm (10.43 inch) higher and 644 kg (1,420 lbs) lighter than BMW 8 Series (G14) (2018).