GMC Yukon XL (2018) is 1276 mm (50.24 inch) longer, 241 mm (9.49 inch) wider, 396 mm (15.59 inch) higher and has 1751 liters (61.84 ft3) bigger cargo space than Mercedes GLA-Class (2016).
Mercedes GLA-Class (2016) is 1150 kg (2,535 lbs) lighter than GMC Yukon XL (2018).