Chevrolet Impala (2016) 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) (2014).
Chevrolet Sonic (Sedan) (2014) is 20 mm (0.79 inch) higher and 466 kg (1,027 lbs) lighter than Chevrolet Impala (2016).
