Ford Fusion Hybrid (2017) is 17 mm (0.67 inch) longer and 55 mm (2.17 inch) wider than Kia Optima (2016).
Kia Optima (2016) is 83 mm (3.27 inch) higher, 74 kg (163 lbs) lighter and has 128 liters (4.52 ft3) bigger cargo space than Ford Fusion Hybrid (2017).