Citroen DS5 (2014) is 31 mm (1.22 inch) wider, 310 kg (683 lbs) lighter and has 15 liters (0.53 ft3) bigger cargo space than Mercedes GLK-Class (2017).
Mercedes GLK-Class (2017) is 6 mm (0.24 inch) longer and 186 mm (7.32 inch) higher than Citroen DS5 (2014).