Kia Optima (2016) is 381 kg (840 lbs) lighter than Nissan Pathfinder (2014).
Nissan Pathfinder (2014) is 154 mm (6.06 inch) longer, 100 mm (3.94 inch) wider, 303 mm (11.93 inch) higher and has 5 liters (0.18 ft3) bigger cargo space than Kia Optima (2016).
