Ford Expedition (2015) is 479 mm (18.86 inch) longer, 142 mm (5.59 inch) wider, 491 mm (19.33 inch) higher and has 1290 liters (45.56 ft3) bigger cargo space than Kia Optima (2017).
Kia Optima (2017) is 919 kg (2,026 lbs) lighter than Ford Expedition (2015).