Kia Optima (2015) is 5 mm (0.20 inch) longer and 455 kg (1,003 lbs) lighter than SsangYong Rexton (2016).
SsangYong Rexton (2016) is 100 mm (3.94 inch) wider, 360 mm (14.17 inch) higher and has 139 liters (4.91 ft3) bigger cargo space than Kia Optima (2015).
