Alfa Romeo 4C (2017) is 1067 kg (2,352 lbs) lighter than Porsche Cayenne (2018).
Porsche Cayenne (2018) is 867 mm (34.13 inch) longer, 87 mm (3.43 inch) wider, 504 mm (19.84 inch) higher and has 560 liters (19.78 ft3) bigger cargo space than Alfa Romeo 4C (2017).