BMW X5 (2018) is 344 mm (13.54 inch) longer, 145 mm (5.71 inch) wider, 55 mm (2.17 inch) higher and has 200 liters (7.06 ft3) bigger cargo space than Mercedes GLK-Class (2016).
Mercedes GLK-Class (2016) is 470 kg (1,036 lbs) lighter than BMW X5 (2018).