Chevrolet Impala Limited (2014) is 817 mm (32.17 inch) longer, 56 mm (2.20 inch) wider and has 177 liters (6.25 ft3) bigger cargo space than FIAT 500X (2017).
FIAT 500X (2017) is 117 mm (4.61 inch) higher and 263 kg (580 lbs) lighter than Chevrolet Impala Limited (2014).