Chevrolet Impala (2017) is 696 mm (27.40 inch) longer, 119 mm (4.69 inch) wider and has 111 liters (3.92 ft3) bigger cargo space than Chevrolet Sonic (Sedan) (2017).
Chevrolet Sonic (Sedan) (2017) is 20 mm (0.79 inch) higher and 428 kg (944 lbs) lighter than Chevrolet Impala (2017).
