BMW 8 Series (G14) (2018) is 614 mm (24.17 inch) longer, 129 mm (5.08 inch) wider and has 152 liters (5.37 ft3) bigger cargo space than FIAT 500L (2018).
FIAT 500L (2018) is 330 mm (12.99 inch) higher and 470 kg (1,036 lbs) lighter than BMW 8 Series (G14) (2018).