Bentley Bentayga (2017) is 297 mm (11.69 inch) longer, 96 mm (3.78 inch) wider, 401 mm (15.79 inch) higher and has 64 liters (2.26 ft3) bigger cargo space than BMW 8 Series (G15) (2019).
BMW 8 Series (G15) (2019) is 714 kg (1,574 lbs) lighter than Bentley Bentayga (2017).