BMW 8 Series (G14) (2020) is 1284 mm (50.55 inch) longer, 275 mm (10.83 inch) wider and has 165 liters (5.83 ft3) bigger cargo space than FIAT 500 (2014).
FIAT 500 (2014) is 149 mm (5.87 inch) higher and 993 kg (2,189 lbs) lighter than BMW 8 Series (G14) (2020).