Bentley Continental GT (2016) is 42 mm (1.65 inch) wider and 53 mm (2.09 inch) higher than BMW 8 Series (G15) (2018).
BMW 8 Series (G15) (2018) is 37 mm (1.46 inch) longer, 346 kg (763 lbs) lighter and has 62 liters (2.19 ft3) bigger cargo space than Bentley Continental GT (2016).