Audi A3 Sportback (2017) is 762 kg (1,680 lbs) lighter than Audi A8 (2016).
Audi A8 (2016) is 859 mm (33.82 inch) longer, 160 mm (6.30 inch) wider, 47 mm (1.85 inch) higher and has 125 liters (4.41 ft3) bigger cargo space than Audi A3 Sportback (2017).
