Rolls-Royce Cullinan (2020) is 963 mm (37.91 inch) longer, 299 mm (11.77 inch) wider, 537 mm (21.14 inch) higher and has 375 liters (13.24 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 1671 kg (3,684 lbs) lighter than Rolls-Royce Cullinan (2020).