GMC Acadia (2015) is 475 mm (18.70 inch) longer, 226 mm (8.90 inch) wider, 389 mm (15.31 inch) higher and has 832 liters (29.38 ft3) bigger cargo space than Subaru Impreza GT (2017).
Subaru Impreza GT (2017) is 980 kg (2,161 lbs) lighter than GMC Acadia (2015).