Citroen C5 (2014) is 645 mm (25.39 inch) longer, 35 mm (1.38 inch) wider, 152 mm (5.98 inch) higher and has 104 liters (3.67 ft3) bigger cargo space than Mercedes SLK-Class (2014).
Mercedes SLK-Class (2014) is 215 kg (474 lbs) lighter than Citroen C5 (2014).