Rolls-Royce Phantom Coupe (2015) is 1234 mm (48.58 inch) longer, 127 mm (5.00 inch) wider, 306 mm (12.05 inch) higher and has 129 liters (4.56 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 961 kg (2,119 lbs) lighter than Rolls-Royce Phantom Coupe (2015).