Bentley Bentayga (2018) is 297 mm (11.69 inch) longer, 96 mm (3.78 inch) wider, 403 mm (15.87 inch) higher and has 134 liters (4.73 ft3) bigger cargo space than BMW 8 Series (G14) (2019).
BMW 8 Series (G14) (2019) is 495 kg (1,091 lbs) lighter than Bentley Bentayga (2018).