GMC Yukon XL (2020) is 1309 mm (51.54 inch) longer, 211 mm (8.31 inch) wider, 279 mm (10.98 inch) higher and has 1737 liters (61.34 ft3) bigger cargo space than Mercedes GLA-Class (2018).
Mercedes GLA-Class (2018) is 1143 kg (2,520 lbs) lighter than GMC Yukon XL (2020).