Chevrolet Impala Limited (2014) is 842 mm (33.15 inch) longer, 56 mm (2.20 inch) wider and has 177 liters (6.25 ft3) bigger cargo space than FIAT 500X (2016).
FIAT 500X (2016) is 109 mm (4.29 inch) higher and 218 kg (481 lbs) lighter than Chevrolet Impala Limited (2014).