"I've owned 2 of these trucks, the first was an '05 and the second is an '06. I had the first truck for nearly a year and several problems with the engine, I blame that on the fact that it was an early '05 model truck and hadn't had all the bug worked out of it yet. I put 105,000 miles on that one and traded it for an '06. I've had this one for nearly 3 years now with nearly 200,000 rough miles, and haven't had it in the shop for anything other than oil changes. The main thing is to keep up with the maintainence and know how to use these trucks the way they are intended."
"Have kept up regular maintenance and experienced no mechanical failures. Will haul or tow everything I have put in or behind it. I love the spacious interior and the well designed layout. Average 15MPG which is pretty good for all of the driving I do around town. Can haul 5 people very comfortably as well as a LARGE payload. This truck is awesome on a long road trip. My one and only complaint is the inherent noisiness of the diesel engine. I knew what I was getting when I purchased so no surprise. When it finally is time for a new vehicle (not anytime soon) I will be replacing with the same exact truck. Can't beat this Ford for Power, Comfort and Reliability."
"Nice truck. Do Not chip it and it will last a life time. This is my 2nd 6.0 and never had any problems. I will buy another one. Son-inlaw has one and had to put an edge chip in it. Bad mistake, cost him $6900. Streched the head bolts for an extra 120 hp, WHY!. These 6.0 already have more power than anyone would need. If you want to race, buy a car instead of a truck. Trucks are made for hauling and work loads, not seeing how fast it will go. By the way, don't let a saleman try to sell you one of these chips. I wish my son inlaw had listened to me."
"Took the truck cross country. CA to IL and back. Loved the ride, for a big truck. Fuel mileage around 17mpg. Diesel fuel prices are making it to expensive to drive. Unfortunately the truck not holding value to what I paid for it. If your buying the King Ranch package is the way to go. Second to NONE!"
"Bought it new. The V 10 likes gas. I had exhaust manifold issues that were costly but fixed. Starter has a strange noise. Some front ens work done but I plow with it so very heavy use in the winter. Overall nice truck. Far better than the Dodge I had before. Interior very nice. Seat heaters could come up to temp faster."