Mercedes C-Class (2019) is 740 kg (1,631 lbs) lighter than Porsche Cayenne (2014).
Porsche Cayenne (2014) is 169 mm (6.65 inch) longer, 144 mm (5.67 inch) wider, 246 mm (9.69 inch) higher and has 190 liters (6.71 ft3) bigger cargo space than Mercedes C-Class (2019).