BMW X6 (2020) is 285 mm (11.22 inch) longer, 129 mm (5.08 inch) wider, 33 mm (1.30 inch) higher and has 230 liters (8.12 ft3) bigger cargo space than Mercedes GLC-Class (2014).
Mercedes GLC-Class (2014) is 299 kg (659 lbs) lighter than BMW X6 (2020).