Audi A3 (Sedan) (2015) is 46 mm (1.81 inch) longer and 253 kg (558 lbs) lighter than Mercedes GLA-Class (2018).
Mercedes GLA-Class (2018) is 38 mm (1.50 inch) wider, 195 mm (7.68 inch) higher and has 10 liters (0.35 ft3) bigger cargo space than Audi A3 (Sedan) (2015).
