Bentley Continental GT (2014) is 42 mm (1.65 inch) wider, 55 mm (2.17 inch) higher and has 8 liters (0.28 ft3) bigger cargo space than BMW 8 Series (G14) (2018).
BMW 8 Series (G14) (2018) is 37 mm (1.46 inch) longer and 347 kg (765 lbs) lighter than Bentley Continental GT (2014).