Chevrolet Sonic (Sedan) (2014) is 22 mm (0.87 inch) higher, 137 kg (302 lbs) lighter and has 1 liters (0.04 ft3) bigger cargo space than Mercedes GLA-Class (2016).
Mercedes GLA-Class (2016) is 7 mm (0.28 inch) longer and 69 mm (2.72 inch) wider than Chevrolet Sonic (Sedan) (2014).