Cadillac CT5 (2021) is 545 mm (21.46 inch) longer, 22 mm (0.87 inch) wider, 161 mm (6.34 inch) higher and has 152 liters (5.37 ft3) bigger cargo space than Toyota GR Supra (2020).
Toyota GR Supra (2020) is 31 kg (68 lbs) lighter than Cadillac CT5 (2021).