BMW 5 Series Gran Turismo (2020) is 1393 mm (54.84 inch) longer, 240 mm (9.45 inch) wider and has 345 liters (12.18 ft3) bigger cargo space than FIAT 500 (2017).
FIAT 500 (2017) is 10 mm (0.39 inch) higher and 805 kg (1,775 lbs) lighter than BMW 5 Series Gran Turismo (2020).