Citroen DS5 (2017) is 31 mm (1.22 inch) wider, 376 kg (829 lbs) lighter and has 15 liters (0.53 ft3) bigger cargo space than Mercedes GLK-Class (2014).
Mercedes GLK-Class (2014) is 6 mm (0.24 inch) longer and 194 mm (7.64 inch) higher than Citroen DS5 (2017).