Bought the vehicle certified used in 2012. Wife happy with vehicle until last month. 140,000 miles and engine dropped a cylinder. Apparently the 5.4 triton has a bad reputation for this. After several hundred dollars in palliative attempts, it was recommended by a Ford garage to just replace the engine due to its reputation. Only other issues were the running boards needed serviced at about 80,000 miles, the air blender occasionally makes the rattle related to plastic teeth failure. Headlamps are pricey to replace also plan on several hundred when they fail. Another issue should be the limited illumination of the high beams. Really no better than regular headlamps. Not convinced we would buy another.