GMC Terrain (2017) is 329 mm (12.95 inch) longer, 392 mm (15.43 inch) higher and has 1607 liters (56.75 ft3) bigger cargo space than Toyota GR Supra (2019).
Toyota GR Supra (2019) is 11 mm (0.43 inch) wider and 119 kg (262 lbs) lighter than GMC Terrain (2017).