BMW 8 Series (G15) (2020) is 696 mm (27.40 inch) longer, 118 mm (4.65 inch) wider and has 8 liters (0.28 ft3) bigger cargo space than FIAT 500L (2015).
FIAT 500L (2015) is 324 mm (12.76 inch) higher and 504 kg (1,111 lbs) lighter than BMW 8 Series (G15) (2020).