Rolls-Royce Cullinan (2019) is 366 mm (14.41 inch) longer, 115 mm (4.53 inch) wider, 359 mm (14.13 inch) higher and has 195 liters (6.89 ft3) bigger cargo space than Toyota Mirai (2021).
Toyota Mirai (2021) is 905 kg (1,995 lbs) lighter than Rolls-Royce Cullinan (2019).