I use 5w30 Motorcraft Synthetic Blend every 3000 miles. I have the spark plugs at the bare minimum once a year since I have owned it. Fuel filter and pcv have all been changed. A/C blows ice cold. It does not burn any oil. The only thing mechanically wrong with the car is the power door locks don't work properly, you have to lock it manually. There is a small stain on the passenger seat which was there when I bought it.