Chevrolet Sonic (Sedan) (2018) is 46 mm (1.81 inch) higher and 396 kg (873 lbs) lighter than Hyundai i40 (2015).
Hyundai i40 (2015) is 358 mm (14.09 inch) longer, 80 mm (3.15 inch) wider and has 83 liters (2.93 ft3) bigger cargo space than Chevrolet Sonic (Sedan) (2018).