Lexus GX (2017) is 392 mm (15.43 inch) longer, 25 mm (0.98 inch) wider, 402 mm (15.83 inch) higher and has 1137 liters (40.15 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 266 kg (586 lbs) lighter than Lexus GX (2017).