Fuel mileage help
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New User
Joined: Mar 2017
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Fuel mileage help
I recently purchased a 2011 f250 super duty 6.7L powerstroke diesel. I seem to be getting about 14mpg in town and highway. I have read up and programmers and chips. But I'm just not sure if that's the way to go or if there are other ways to increase my mileage any help would be appreciated thanks
Senior User
Joined: Sep 2006
Posts: 158
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From: Texas Gulf Coast
I baby my 2015 and get about 14.5 with city driving. I have not towed the 5th wheel or gone on a highway trip empty, but I have 2500 miles of city driving since I got it and that seems to be the average. Really it is about the same, maybe a little better than what I got with my 7.3L. You hear about folks getting 16 or 17, but I am guessing they remove all the emissions equiipment and make very expensive modifications. It seems to me that it would take a long time to get your money back at 2 or 3 mpg.
I am thinking that removing the emissions equipment is more of a hobby than a real return on investment, but I have not really studied it. I'm sure someone will correct me on that. My wife loves this truck so much more than the 2002 because the diesel smell really bothered her. We used to sail a lot, and she gets motion sickness both on the water and on trips in the car. The diesel odor just exacerbates it.
I am thinking that removing the emissions equipment is more of a hobby than a real return on investment, but I have not really studied it. I'm sure someone will correct me on that. My wife loves this truck so much more than the 2002 because the diesel smell really bothered her. We used to sail a lot, and she gets motion sickness both on the water and on trips in the car. The diesel odor just exacerbates it.
Logistics Pro
Joined: Nov 2004
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I would love to get 14 mpg. My average is about 11.5 - 2011 F350 6.2l gas - mainly around town driving.
I don't think you'll improve it too much. I think the biggest mechanical change would be to your axle ratio, but if you have a 4:3 and go to a 3:73, you'd lose some towing benefits, so it's a toss up
I don't think you'll improve it too much. I think the biggest mechanical change would be to your axle ratio, but if you have a 4:3 and go to a 3:73, you'd lose some towing benefits, so it's a toss up
Elder User
Joined: Apr 2016
Posts: 633
Likes: 2
From: So. Utah
My '16 F350 gets about 14 around town and maybe 16/17 on the flat highway, sometimes 18 if I have the wind to my rear. Big truck with a LOT of wind resistance, forget the tuner, they say you'll get 1/2 mpg better but that's BS cuzz you'll have too much fun laying into it all the time.
Lead Driver
Joined: Jan 2002
Posts: 8,653
Likes: 4,736
From: Itinerant
I would love to get 14 mpg. My average is about 11.5 - 2011 F350 6.2l gas - mainly around town driving.
I don't think you'll improve it too much. I think the biggest mechanical change would be to your axle ratio, but if you have a 4:3 and go to a 3:73, you'd lose some towing benefits, so it's a toss up
I don't think you'll improve it too much. I think the biggest mechanical change would be to your axle ratio, but if you have a 4:3 and go to a 3:73, you'd lose some towing benefits, so it's a toss up
OP, everyone wants better mpg but these are trucks and short of deleting stuff on the diesel that might be the only way to increase some. Check out the 6.7 section.
Laughing Gas
Joined: Sep 2013
Posts: 1,031
Likes: 13
I baby my 2015 and get about 14.5 with city driving. I have not towed the 5th wheel or gone on a highway trip empty, but I have 2500 miles of city driving since I got it and that seems to be the average. Really it is about the same, maybe a little better than what I got with my 7.3L. You hear about folks getting 16 or 17, but I am guessing they remove all the emissions equiipment and make very expensive modifications. It seems to me that it would take a long time to get your money back at 2 or 3 mpg.
I am thinking that removing the emissions equipment is more of a hobby than a real return on investment, but I have not really studied it. I'm sure someone will correct me on that. My wife loves this truck so much more than the 2002 because the diesel smell really bothered her. We used to sail a lot, and she gets motion sickness both on the water and on trips in the car. The diesel odor just exacerbates it.
I am thinking that removing the emissions equipment is more of a hobby than a real return on investment, but I have not really studied it. I'm sure someone will correct me on that. My wife loves this truck so much more than the 2002 because the diesel smell really bothered her. We used to sail a lot, and she gets motion sickness both on the water and on trips in the car. The diesel odor just exacerbates it.
Guess I'll be keeping my truck.
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Cargo Master
Joined: Feb 2015
Posts: 2,338
Likes: 255
From: Livermore Ca.
Not sure deleting the truck will increase millage at all. I am around 13.5 combined highway city driving. The sweet spot for the best millage seems to be around 70 MPH.
I know in town that may be a little fast just tell the cop that you get the best millage at 70 and he may let you go LOL
I have the 3.31's in mine and it tows great and I get 11.8 towing my 5th wheel. Just enjoy the truck it's fun to drive.
I know in town that may be a little fast just tell the cop that you get the best millage at 70 and he may let you go LOL
I have the 3.31's in mine and it tows great and I get 11.8 towing my 5th wheel. Just enjoy the truck it's fun to drive.
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New User
Joined: Apr 2017
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I have a 6.4 PSD, in stock form I was getting around 13-14 mpg avg. After doing a DPF/EGR delete, cold air intake, and H&S tuner (Total around $1200 in parts If I remember right) My avg MPG is up around 17-18. The reason I did the delete was for longevity more than anything. These trucks are known for emissions problems that lead to bigger issues.
Aside from going the emissions delete/tuner route there are some basic things to check. Tire pressure can make a big difference, getting rid of extra weight in the truck will help a little bit as well.
The reality is you are not going to get incredible fuel economy out of an 8,000 pound truck
Aside from going the emissions delete/tuner route there are some basic things to check. Tire pressure can make a big difference, getting rid of extra weight in the truck will help a little bit as well.
The reality is you are not going to get incredible fuel economy out of an 8,000 pound truck
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