Chevrolet Sonic (Sedan) (2018) is 22 mm (0.87 inch) higher, 99 kg (218 lbs) lighter and has 1 liters (0.04 ft3) bigger cargo space than Mercedes GLA-Class (2015).
Mercedes GLA-Class (2015) is 69 mm (2.72 inch) wider than Chevrolet Sonic (Sedan) (2018).