Chevrolet Impala Limited (2016) is 673 mm (26.50 inch) longer, 117 mm (4.61 inch) wider and has 105 liters (3.71 ft3) bigger cargo space than Chevrolet Sonic (Sedan) (2016).
Chevrolet Sonic (Sedan) (2016) is 25 mm (0.98 inch) higher and 345 kg (761 lbs) lighter than Chevrolet Impala Limited (2016).
