BMW 5 Series Gran Turismo (2015) is 470 mm (18.50 inch) longer, 60 mm (2.36 inch) wider and has 50 liters (1.77 ft3) bigger cargo space than Mercedes GLK-Class (2016).
Mercedes GLK-Class (2016) is 140 mm (5.51 inch) higher and 250 kg (551 lbs) lighter than BMW 5 Series Gran Turismo (2015).