Hyundai Tucson (2014) is 214 mm (8.43 inch) higher, 360 kg (794 lbs) lighter and has 288 liters (10.17 ft3) bigger cargo space than Kia Optima Sportswagon (2018).
Kia Optima Sportswagon (2018) is 456 mm (17.95 inch) longer and 39 mm (1.54 inch) wider than Hyundai Tucson (2014).
