Audi A3 (Sedan) (2015) is 181 mm (7.13 inch) longer and 28 mm (1.10 inch) wider than Mazda 6 Atenza (2017).
Mazda 6 Atenza (2017) is 126 mm (4.96 inch) higher, 36 kg (79 lbs) lighter and has 96 liters (3.39 ft3) bigger cargo space than Audi A3 (Sedan) (2015).
