BMW 7 Series (2015) is 562 mm (22.13 inch) longer, 62 mm (2.44 inch) wider, 80 kg (176 lbs) lighter and has 65 liters (2.30 ft3) bigger cargo space than Mercedes GLK-Class (2018).
Mercedes GLK-Class (2018) is 221 mm (8.70 inch) higher than BMW 7 Series (2015).