Audi A3 (Sedan) (2015) is 164 mm (6.46 inch) longer, 16 mm (0.63 inch) wider, 85 kg (187 lbs) lighter and has 84 liters (2.97 ft3) bigger cargo space than Mercedes A-Class (2017).
Mercedes A-Class (2017) is 17 mm (0.67 inch) higher than Audi A3 (Sedan) (2015).
