Chevrolet Impala Limited (2014) is 1540 mm (60.63 inch) longer, 225 mm (8.86 inch) wider, 3 mm (0.12 inch) higher and has 342 liters (12.08 ft3) bigger cargo space than FIAT 500 (2015).
FIAT 500 (2015) is 673 kg (1,484 lbs) lighter than Chevrolet Impala Limited (2014).