BMW 5 Series Gran Turismo (2017) is 1454 mm (57.24 inch) longer, 274 mm (10.79 inch) wider, 71 mm (2.80 inch) higher and has 315 liters (11.12 ft3) bigger cargo space than FIAT 500 (2015).
FIAT 500 (2015) is 975 kg (2,150 lbs) lighter than BMW 5 Series Gran Turismo (2017).