Kia Optima (2015) is 783 mm (30.83 inch) longer, 167 mm (6.57 inch) wider, 37 mm (1.46 inch) higher and has 227 liters (8.02 ft3) bigger cargo space than Seat Ibiza SC (2017).
Seat Ibiza SC (2017) is 496 kg (1,093 lbs) lighter than Kia Optima (2015).
