Kia Optima (2015) 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 (2018).
Mitsubishi Eclipse Cross (2018) is 220 mm (8.66 inch) higher and 65 kg (143 lbs) lighter than Kia Optima (2015).