I am the second owner of a 2004 Kia Optima that I purchased on 2/4/06. I had a 5 year or 60, 000 mile warranty. My engine started to make a rattling noise when I started it up cold so I took it into a Kia dealership on 10/30/06 with 18, 979 miles on it. They replaced lifters in my engine, which I have been told is not a good practice with such low mileage. On 11/20/06 my car started to make the same noise, so I took it back to a Kia dealership. At that time I had to leave it overnight and then when I returned they told me that I needed an oil... read full review »