Alfa Romeo 4C (2018) is 1057 kg (2,330 lbs) lighter than Porsche Cayenne (2015).
Porsche Cayenne (2015) is 867 mm (34.13 inch) longer, 87 mm (3.43 inch) wider, 502 mm (19.76 inch) higher and has 560 liters (19.78 ft3) bigger cargo space than Alfa Romeo 4C (2018).