Citroen C5 (2017) is 123 mm (4.84 inch) longer, 480 kg (1,058 lbs) lighter and has 89 liters (3.14 ft3) bigger cargo space than Mercedes GLC-Class (2016).
Mercedes GLC-Class (2016) is 30 mm (1.18 inch) wider and 201 mm (7.91 inch) higher than Citroen C5 (2017).