Chevrolet Sonic (Sedan) (2017) is 46 mm (1.81 inch) higher and 419 kg (924 lbs) lighter than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) is 438 mm (17.24 inch) longer, 125 mm (4.92 inch) wider and has 18 liters (0.64 ft3) bigger cargo space than Chevrolet Sonic (Sedan) (2017).