Kia Optima (2017) is 450 mm (17.72 inch) longer, 55 mm (2.17 inch) wider and has 169 liters (5.97 ft3) bigger cargo space than Mitsubishi Eclipse Cross (2017).
Mitsubishi Eclipse Cross (2017) is 215 mm (8.46 inch) higher and 80 kg (176 lbs) lighter than Kia Optima (2017).