GMC Yukon XL (2018) is 1408 mm (55.43 inch) longer, 265 mm (10.43 inch) wider, 457 mm (17.99 inch) higher and has 1831 liters (64.66 ft3) bigger cargo space than Mercedes A-Class (2017).
Mercedes A-Class (2017) is 1150 kg (2,535 lbs) lighter than GMC Yukon XL (2018).