Kia Optima (2015) is 471 mm (18.54 inch) longer, 135 mm (5.31 inch) wider and has 123 liters (4.34 ft3) bigger cargo space than Kia Rio (Sedan) (2019).
Kia Rio (Sedan) (2019) is 145 mm (5.71 inch) higher and 314 kg (692 lbs) lighter than Kia Optima (2015).
