GMC Acadia (2015) is 722 mm (28.43 inch) longer, 144 mm (5.67 inch) wider, 552 mm (21.73 inch) higher and has 995 liters (35.14 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 571 kg (1,259 lbs) lighter than GMC Acadia (2015).