BMW 3 Series Gran Turismo (2021) is 562 mm (22.13 inch) longer, 33 mm (1.30 inch) wider and has 171 liters (6.04 ft3) bigger cargo space than FIAT 500X (2018).
FIAT 500X (2018) is 86 mm (3.39 inch) higher and 154 kg (340 lbs) lighter than BMW 3 Series Gran Turismo (2021).