Ferrari GTC4Lusso (2016) is 544 mm (21.42 inch) longer, 180 mm (7.09 inch) wider, 90 mm (3.54 inch) higher and has 288 liters (10.17 ft3) bigger cargo space than Porsche Cayman (2019).
Porsche Cayman (2019) is 515 kg (1,135 lbs) lighter than Ferrari GTC4Lusso (2016).