Ford C-Max Energi (2020) is 31 mm (1.22 inch) longer, 29 mm (1.14 inch) wider, 330 mm (12.99 inch) higher and has 270 liters (9.53 ft3) bigger cargo space than Porsche Cayman (2018).
Porsche Cayman (2018) is 364 kg (802 lbs) lighter than Ford C-Max Energi (2020).