Citroen C5 (2014) is 123 mm (4.84 inch) longer, 430 kg (948 lbs) lighter and has 89 liters (3.14 ft3) bigger cargo space than Mercedes GLC-Class (2017).
Mercedes GLC-Class (2017) is 38 mm (1.50 inch) wider and 204 mm (8.03 inch) higher than Citroen C5 (2014).