Audi A3 Sportback (2017) is 685 kg (1,510 lbs) lighter than Audi A6 (2016).
Audi A6 (2016) is 620 mm (24.41 inch) longer, 89 mm (3.50 inch) wider, 29 mm (1.14 inch) higher and has 150 liters (5.30 ft3) bigger cargo space than Audi A3 Sportback (2017).
