Kia Optima 2016 Automatic Gasoline Kia Optima 2016, 2400 engine, engine has a knocking sound. The car's inspection has expired. Selling as is, under lien. I don't know anything about the car. Gearbox is guaranteed, but the engine has a sound. And I don't know anything about the body. And I don't know anything about the airbags. Price is 15,000, non-negotiable.