BMW X6 (2019) is 279 mm (10.98 inch) longer, 114 mm (4.49 inch) wider, 37 mm (1.46 inch) higher and has 230 liters (8.12 ft3) bigger cargo space than Mercedes GLC-Class (2015).
Mercedes GLC-Class (2015) is 239 kg (527 lbs) lighter than BMW X6 (2019).