Audi A3 Sportback (2018) is 64 mm (2.52 inch) higher and 330 kg (728 lbs) lighter than BMW 4 Series (2013).
BMW 4 Series (2013) is 325 mm (12.80 inch) longer, 40 mm (1.57 inch) wider and has 65 liters (2.30 ft3) bigger cargo space than Audi A3 Sportback (2018).
