Audi Q7 (2019) is 209 mm (8.23 inch) longer, 67 mm (2.64 inch) wider, 401 mm (15.79 inch) higher and has 660 liters (23.31 ft3) bigger cargo space than BMW 8 Series (G14) (2018).
BMW 8 Series (G14) (2018) is 137 kg (302 lbs) lighter than Audi Q7 (2019).