BMW 5 Series Gran Turismo (2015) is 742 mm (29.21 inch) longer, 104 mm (4.09 inch) wider and has 150 liters (5.30 ft3) bigger cargo space than FIAT 500X (2018).
FIAT 500X (2018) is 36 mm (1.42 inch) higher and 704 kg (1,552 lbs) lighter than BMW 5 Series Gran Turismo (2015).