Audi A6 Avant (2018) is 95 mm (3.74 inch) longer, 129 mm (5.08 inch) higher, 13 kg (29 lbs) lighter and has 216 liters (7.63 ft3) bigger cargo space than BMW 8 Series (G14) (2018).
BMW 8 Series (G14) (2018) is 15 mm (0.59 inch) wider than Audi A6 Avant (2018).
