GMC Yukon (2020) is 523 mm (20.59 inch) longer, 155 mm (6.10 inch) wider, 231 mm (9.09 inch) higher and has 1281 liters (45.24 ft3) bigger cargo space than Mercedes GLC-Class (2016).
Mercedes GLC-Class (2016) is 452 kg (996 lbs) lighter than GMC Yukon (2020).