Audi Q7 (2019) is 218 mm (8.58 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) (2020).
BMW 8 Series (G14) (2020) is 127 kg (280 lbs) lighter than Audi Q7 (2019).