BMW 3 Series Gran Turismo (2020) is 576 mm (22.68 inch) longer, 32 mm (1.26 inch) wider and has 170 liters (6.00 ft3) bigger cargo space than FIAT 500X (2016).
FIAT 500X (2016) is 92 mm (3.62 inch) higher and 340 kg (750 lbs) lighter than BMW 3 Series Gran Turismo (2020).