BMW 8 Series (G15) (2018) is 491 mm (19.33 inch) longer, 122 mm (4.80 inch) wider and has 8 liters (0.28 ft3) bigger cargo space than FIAT 500L Cross (2018).
FIAT 500L Cross (2018) is 319 mm (12.56 inch) higher and 534 kg (1,177 lbs) lighter than BMW 8 Series (G15) (2018).