GMC Yukon XL (2021) is 1310 mm (51.57 inch) longer, 223 mm (8.78 inch) wider, 332 mm (13.07 inch) higher and has 2221 liters (78.43 ft3) bigger cargo space than Mercedes GLA-Class (2017).
Mercedes GLA-Class (2017) is 992 kg (2,187 lbs) lighter than GMC Yukon XL (2021).