Chevrolet Sonic (Sedan) (2016) is 7 mm (0.28 inch) longer and 295 kg (650 lbs) lighter than Mercedes GLA-Class (2020).
Mercedes GLA-Class (2020) is 99 mm (3.90 inch) wider, 95 mm (3.74 inch) higher and has 13 liters (0.46 ft3) bigger cargo space than Chevrolet Sonic (Sedan) (2016).