BMW 8 Series (G16) (2020) is 834 mm (32.83 inch) longer, 136 mm (5.35 inch) wider and has 90 liters (3.18 ft3) bigger cargo space than FIAT 500X (2016).
FIAT 500X (2016) is 193 mm (7.60 inch) higher and 514 kg (1,133 lbs) lighter than BMW 8 Series (G16) (2020).