Bentley Bentayga (2019) is 451 mm (17.76 inch) longer, 56 mm (2.20 inch) wider, 449 mm (17.68 inch) higher and has 330 liters (11.65 ft3) bigger cargo space than BMW i8 (2016).
BMW i8 (2016) is 858 kg (1,892 lbs) lighter than Bentley Bentayga (2019).