BMW 8 Series (G16) (2020) is 818 mm (32.20 inch) longer, 136 mm (5.35 inch) wider and has 90 liters (3.18 ft3) bigger cargo space than FIAT 500X (2018).
FIAT 500X (2018) is 188 mm (7.40 inch) higher and 483 kg (1,065 lbs) lighter than BMW 8 Series (G16) (2020).