Ford Flex (2016) is 741 mm (29.17 inch) longer, 531 mm (20.91 inch) wider, 116 mm (4.57 inch) higher and has 836 liters (29.52 ft3) bigger cargo space than Kia Rio (Sedan) (2019).
Kia Rio (Sedan) (2019) is 797 kg (1,757 lbs) lighter than Ford Flex (2016).