BMW 3 Series Gran Turismo (2019) is 560 mm (22.05 inch) longer, 32 mm (1.26 inch) wider and has 170 liters (6.00 ft3) bigger cargo space than FIAT 500X (2018).
FIAT 500X (2018) is 87 mm (3.43 inch) higher and 309 kg (681 lbs) lighter than BMW 3 Series Gran Turismo (2019).