Chevrolet Sonic (Sedan) (2018) is 18 mm (0.71 inch) higher and 362 kg (798 lbs) lighter than Opel Insignia (2017).
Opel Insignia (2017) is 425 mm (16.73 inch) longer, 349 mm (13.74 inch) wider and has 118 liters (4.17 ft3) bigger cargo space than Chevrolet Sonic (Sedan) (2018).
