Citroen C6 (2014) is 764 kg (1,684 lbs) lighter than Mercedes GL-Class (2020).
Mercedes GL-Class (2020) is 236 mm (9.29 inch) longer, 139 mm (5.47 inch) wider, 387 mm (15.24 inch) higher and has 259 liters (9.15 ft3) bigger cargo space than Citroen C6 (2014).