Kia Optima (2015) is 60 mm (2.36 inch) wider and 415 kg (915 lbs) lighter than Mitsubishi Triton (2014).
Mitsubishi Triton (2014) is 430 mm (16.93 inch) longer, 315 mm (12.40 inch) higher and has 531 liters (18.75 ft3) bigger cargo space than Kia Optima (2015).