GMC Acadia (2018) is 734 mm (28.90 inch) longer, 465 mm (18.31 inch) wider, 198 mm (7.80 inch) higher and has 566 liters (19.99 ft3) bigger cargo space than Mitsubishi Outlander Sport (2020).
Mitsubishi Outlander Sport (2020) is 720 kg (1,587 lbs) lighter than GMC Acadia (2018).