Cadillac CTS (2015) is 588 mm (23.15 inch) longer, 161 mm (6.34 inch) higher and has 262 liters (9.25 ft3) bigger cargo space than Toyota GR Supra (2019).
Toyota GR Supra (2019) is 26 mm (1.02 inch) wider and 82 kg (181 lbs) lighter than Cadillac CTS (2015).