Chevrolet Volt (2017) is 106 mm (4.17 inch) longer, 143 mm (5.63 inch) higher and has 150 liters (5.30 ft3) bigger cargo space than Porsche 718 Cayman (2017).
Porsche 718 Cayman (2017) is 13 mm (0.51 inch) wider and 280 kg (617 lbs) lighter than Chevrolet Volt (2017).
