Citroen C4 (2014) is 600 kg (1,323 lbs) lighter than Mercedes GLK-Class (2017).
Mercedes GLK-Class (2017) is 207 mm (8.15 inch) longer, 51 mm (2.01 inch) wider, 210 mm (8.27 inch) higher and has 42 liters (1.48 ft3) bigger cargo space than Citroen C4 (2014).