Kia Optima Sportswagon (2017) is 628 mm (24.72 inch) longer, 168 mm (6.61 inch) wider, 25 mm (0.98 inch) higher and has 10 liters (0.35 ft3) bigger cargo space than Seat Ibiza ST (2016).
Seat Ibiza ST (2016) is 150 kg (331 lbs) lighter than Kia Optima Sportswagon (2017).
