GMC Acadia (2018) is 676 mm (26.61 inch) longer, 200 mm (7.87 inch) wider, 350 mm (13.78 inch) higher and has 759 liters (26.80 ft3) bigger cargo space than Mercedes GLA-Class (2016).
Mercedes GLA-Class (2016) is 805 kg (1,775 lbs) lighter than GMC Acadia (2018).