GMC Acadia (2015) is 105 mm (4.13 inch) wider, 354 mm (13.94 inch) higher and has 680 liters (24.01 ft3) bigger cargo space than Mercedes S-Class (2017).
Mercedes S-Class (2017) is 145 mm (5.71 inch) longer and 55 kg (121 lbs) lighter than GMC Acadia (2015).