Ford Explorer (2017) is 151 mm (5.94 inch) longer, 144 mm (5.67 inch) wider, 318 mm (12.52 inch) higher and has 733 liters (25.89 ft3) bigger cargo space than Kia Optima (2018).
Kia Optima (2018) is 497 kg (1,096 lbs) lighter than Ford Explorer (2017).