BMW 8 Series (G15) (2018) is 614 mm (24.17 inch) longer, 129 mm (5.08 inch) wider and has 222 liters (7.84 ft3) bigger cargo space than FIAT 500L (2019).
FIAT 500L (2019) is 328 mm (12.91 inch) higher and 471 kg (1,038 lbs) lighter than BMW 8 Series (G15) (2018).