BMW 6 Series Gran Turismo (2018) is 861 mm (33.90 inch) longer, 129 mm (5.08 inch) wider and has 411 liters (14.51 ft3) bigger cargo space than FIAT 500L (2020).
FIAT 500L (2020) is 130 mm (5.12 inch) higher and 342 kg (754 lbs) lighter than BMW 6 Series Gran Turismo (2018).