Bentley Bentayga (2017) is 306 mm (12.05 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) (2020).
BMW 8 Series (G14) (2020) is 605 kg (1,334 lbs) lighter than Bentley Bentayga (2017).