Rolls-Royce Phantom (2017) is 1464 mm (57.64 inch) longer, 130 mm (5.12 inch) wider, 346 mm (13.62 inch) higher and has 268 liters (9.46 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 1020 kg (2,249 lbs) lighter than Rolls-Royce Phantom (2017).