Ford C-Max Energi (2015) is 259 kg (571 lbs) lighter than Ford Flex (2017).
Ford Flex (2017) is 716 mm (28.19 inch) longer, 427 mm (16.81 inch) wider, 105 mm (4.13 inch) higher and has 791 liters (27.93 ft3) bigger cargo space than Ford C-Max Energi (2015).