Ford Fusion Energi (2014) is 17 mm (0.67 inch) longer and 3 mm (0.12 inch) higher than Kia Optima Sportswagon (2015).
Kia Optima Sportswagon (2015) is 8 mm (0.31 inch) wider, 90 kg (198 lbs) lighter and has 213 liters (7.52 ft3) bigger cargo space than Ford Fusion Energi (2014).