Ford Fusion Hybrid (2017) is 17 mm (0.67 inch) longer and 55 mm (2.17 inch) wider than Kia Optima (2015).
Kia Optima (2015) is 83 mm (3.27 inch) higher, 119 kg (262 lbs) lighter and has 128 liters (4.52 ft3) bigger cargo space than Ford Fusion Hybrid (2017).