I have a 2016 F-350 CCSB 4x4. I've only had it a little over a week but driving home from the dealership (2 hrs of mostly back road hwy) I was seeing as high as 19mpg and around town this week it has been 14-15mpg. I don't think it's a 2016 issue. I suggest taking the truck it to have the brakes looked at and the whole truck looked over. You most likely spent a whole lot of money on your truck like I did so take it to the dealer and make sure the truck is working correctly while it's still under factory warranty. Do not just accept that it's just how it is. Good luck and keep us updated.

 

Spoke to dealer service dept. this morning. He told me they wouldn't even entertain looking at it due to fuel mileage since it wasn't required to have any economy ratings. The only thing he could offer me was it "may take ten thousand miles to break in" and that he would suggest putting the centaine additive in each tank.......

 

Wonder why he didn't just say "It may take until the warranty has expired to break in. Then I'll have a look at the mileage problem."

 

Exactly. That sounds like a dealer that wouldn't ever get my business again! I'd just tell them you think the breaks are hanging because you are smelling something and the mileage is crappy. If they don't take a look at it then take it another dealer that actually cares about the customer after the sale. I drive 2 hrs away to my preferred dealer for a reason.

 

Don't blame the dealer for this one.

Ford posted a bulletin to dealers a while back to not address fuel economy for Super Duty trucks (regardless of engine). It's absolutely true that there are no fuel economy ratings for these trucks, and Ford does not provide ratings for dealers to use for testing, so dealers do not have a standard to go on.

If anything, that was a very honest dealer.

 

Just want to mention that my early mileage was horrible until I found my hubs were locked. Apparently they are locked for shipping at the factory and the dealer did not check them. Mileage bumped up 1-2mpg after the unlock. Not great, but better than before. Picked up 2 more mpg after break in.

 

Update: drove 500 miles round trip with 17.7 mpg at the end. Not towing, and completely empty. Past few days local and highway down to 16.2. Needless to say much better than before. Truck now has 2,400 miles. Haven't towed since first trip.

 

I just towed my Montana 3280 RL from French camp road off 99 to Livermore and got 14.8 I have 6,000 miles now.

 

Hey everyone. I also have a 2016 F350 CC SWB 4x4 6.7 w/ 3.55 gears. It is a month old and now has about 2400 miles on the clock. Mileage was screwy and unpredictable until the last 3-400 miles. Solo it was getting 11-13 mpg, and then connected to a small 10' utility trailer, it was getting 17-18....go figure. Now,...if I drive like grandma, (who wants to do that with $2 diesel?) then it will get 20 +/- on the road, and 14/15 around town. Recently Pulled first significant tow when bringing my 34' fiver (13,500 lbs) home from deer lease, and managed to get 13-14 mpg which I was happy with.
I did have a 2011 F250, 2 wd with 3.31 gears that would get 22/23 hwy and 16/17 city which was great. Had the '11 been 4x4, I would have kept it, however I do like the CC w/leather seats and a few other niceties.

 

Update: 2800 miles and starting to smell the brake burning scent again. I know a couple of folks had mentioned this previously......

 

Hi balloonboy,

I'd bring the burning odor to the attention of the dealership. Is your truck a 2016 as well? Let me know; I'll do what I can to assist.

Crystal

 

Yes it is a 2016

 

Are you sure you aren't smelling regen?

 

Truck has now been to two dealers to check out the brake smell. No one can find anything wrong, any warping, discoloration, etc.

Guess we will wait and see if it gets better on its own at this point....

3450 miles

 

2016 F250 4X4 crew cab 2100 miles on the truck...
adding the motorcraft diesel additive at every fuel up and I have been getting 16.6 to 18 MPG hand calculation.
it just depends on how many stops at the stores in town I make.
I use the truck as a daily driver

Fert