BMW 3 Series Gran Turismo (2019) is 1274 mm (50.16 inch) longer, 201 mm (7.91 inch) wider, 20 mm (0.79 inch) higher and has 335 liters (11.83 ft3) bigger cargo space than FIAT 500 (2016).
FIAT 500 (2016) is 795 kg (1,753 lbs) lighter than BMW 3 Series Gran Turismo (2019).