BMW 5 Series Gran Turismo (2015) is 1456 mm (57.32 inch) longer, 273 mm (10.75 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 1190 kg (2,623 lbs) lighter than BMW 5 Series Gran Turismo (2015).