BMW 4 Series (2014) is 286 mm (11.26 inch) longer, 45 mm (1.77 inch) wider and has 33 liters (1.17 ft3) bigger cargo space than FIAT 500L Cross (2018).
FIAT 500L Cross (2018) is 298 mm (11.73 inch) higher and 195 kg (430 lbs) lighter than BMW 4 Series (2014).