Kia Optima (2015) is 1 mm (0.04 inch) longer and 479 kg (1,056 lbs) lighter than Toyota Highlander (2015).
Toyota Highlander (2015) is 65 mm (2.56 inch) wider, 265 mm (10.43 inch) higher and has 355 liters (12.54 ft3) bigger cargo space than Kia Optima (2015).
