Ferrari 458 Italia (2016) is 192 mm (7.56 inch) longer, 151 mm (5.94 inch) wider and has 80 liters (2.83 ft3) bigger cargo space than Porsche 718 Cayman (2014).
Porsche 718 Cayman (2014) is 91 mm (3.58 inch) higher and 4 kg (9 lbs) lighter than Ferrari 458 Italia (2016).
