GMC Yukon (2021) is 678 mm (26.69 inch) longer, 155 mm (6.10 inch) wider, 284 mm (11.18 inch) higher and has 1706 liters (60.25 ft3) bigger cargo space than Mercedes GLC-Class (2017).
Mercedes GLC-Class (2017) is 390 kg (860 lbs) lighter than GMC Yukon (2021).