BMW 8 Series (G14) (2018) is 473 mm (18.62 inch) longer, 100 mm (3.94 inch) wider and has 15 liters (0.53 ft3) bigger cargo space than Volvo V40 (2020).
Volvo V40 (2020) is 100 mm (3.94 inch) higher and 425 kg (937 lbs) lighter than BMW 8 Series (G14) (2018).