GMC Yukon XL (2018) is 1307 mm (51.46 inch) longer, 259 mm (10.20 inch) wider, 333 mm (13.11 inch) higher and has 1686 liters (59.54 ft3) bigger cargo space than Mercedes B-Class (2014).
Mercedes B-Class (2014) is 1150 kg (2,535 lbs) lighter than GMC Yukon XL (2018).