Ferrari SF90 Spider (2020) is 332 mm (13.07 inch) longer and 172 mm (6.77 inch) wider than Porsche Cayman (2015).
Porsche Cayman (2015) is 107 mm (4.21 inch) higher, 195 kg (430 lbs) lighter and has 88 liters (3.11 ft3) bigger cargo space than Ferrari SF90 Spider (2020).