GMC Acadia (2017) is 734 mm (28.90 inch) longer, 193 mm (7.60 inch) wider, 198 mm (7.80 inch) higher and has 566 liters (19.99 ft3) bigger cargo space than Mitsubishi Outlander Sport (2018).
Mitsubishi Outlander Sport (2018) is 790 kg (1,742 lbs) lighter than GMC Acadia (2017).