Citroen DS4 (2017) is 40 mm (1.57 inch) wider, 96 mm (3.78 inch) higher, 167 kg (368 lbs) lighter and has 28 liters (0.99 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2014).
Mercedes C-Class (Coupe) (2014) is 317 mm (12.48 inch) longer than Citroen DS4 (2017).