Audi Q5 (2015) is 316 mm (12.44 inch) higher, 128 kg (282 lbs) lighter and has 190 liters (6.71 ft3) bigger cargo space than BMW 8 Series (G14) (2018).
BMW 8 Series (G14) (2018) is 214 mm (8.43 inch) longer and 4 mm (0.16 inch) wider than Audi Q5 (2015).