Mercedes C-Class (Coupe) (2014) is 580 kg (1,279 lbs) lighter than Porsche Cayenne (2014).
Porsche Cayenne (2014) is 263 mm (10.35 inch) longer, 184 mm (7.24 inch) wider, 258 mm (10.16 inch) higher and has 339 liters (11.97 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2014).