GMC Acadia (2015) is 690 mm (27.17 inch) longer, 170 mm (6.69 inch) wider, 233 mm (9.17 inch) higher and has 745 liters (26.31 ft3) bigger cargo space than Mercedes GLA-Class (2020).
Mercedes GLA-Class (2020) is 637 kg (1,404 lbs) lighter than GMC Acadia (2015).