fuel mileage
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Postmaster
Joined: Dec 2002
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From: Southern Oregon USA
fuel mileage
I'm looking at possibly buying a F250 CC 4x4 with a 6.4 and 6 speed. It will mainly be used as a family car and to pull a TT in the summertime. What kind of fuel mileage numbers can I expect around town and on the highway? What about pulling, say 8-10K lbs?
Thanks for any input,
Jason
Thanks for any input,
Jason
Junior User
Joined: Jul 2003
Posts: 52
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From: Garland, TX
I have a 2008 F-250 FX4 crew cab 4X4 with the 6.4 automatic and 3.73 gears. I get 14 mpg in the mixed city driving empty, about 18 MPG+ all highway empty, and right at 10 MPG pulling my 9k lb. 32' TT using the tow mode and going 65 MPH. I found a few things that really help fuel economy is stay at 65 MPH when towing, even going up 5 MPH to 70 drops my fuel economy down to 8 MPG. Keep the boost under 10 psi as much as possible and keep the tires inflated to 70 psi or so. I use Diesel Kleen cetane booster (not sure if it is needed) and drive with a light foot. Not many believe I get this fuel economy, and some on this board may outright call me a liar (again), but this is real life numbers after about 12k miles I have owned the truck.
BTW - fuel economy aside, I got this truck specifically for pulling my TT and it pulls like a beast! Get the towing package, it will change everything you know about towing with the tow/haul mode!
HTH,
Dan
BTW - fuel economy aside, I got this truck specifically for pulling my TT and it pulls like a beast! Get the towing package, it will change everything you know about towing with the tow/haul mode!
HTH,
Dan
Senior User
Joined: Apr 2003
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From: SE Michigan
I would have to echo DD2000GT's comments. Almost exactly what im seeing with my F350 on average. on longer drives i can see 20 on the freeway at 65 mph if i reset the CPU and run for a while. we travel to northern MI a lot. We are very happy with our F350! Good luck to you.
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Joined: Feb 2006
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From: Central Massachusetts
Originally Posted by RCrawler
I'm looking at possibly buying a F250 CC 4x4 with a 6.4 and 6 speed. It will mainly be used as a family car and to pull a TT in the summertime. What kind of fuel mileage numbers can I expect around town and on the highway? What about pulling, say 8-10K lbs?
Thanks for any input,
Jason
Thanks for any input,
Jason
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Postmaster
Joined: Dec 2002
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From: Southern Oregon USA
Thank you for the replies. I've been hearing an absolute best of 15 mpg on the highway, and down to 8-9 while towing. Makes me feel a little better about it.
Is there any common recurring issues with the new 6.4?
Jason
Is there any common recurring issues with the new 6.4?
Jason
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Joined: Oct 2007
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From: in front of this PC
Originally Posted by RCrawler
Thank you for the replies. I've been hearing an absolute best of 15 mpg on the highway, and down to 8-9 while towing. Makes me feel a little better about it.
Is there any common recurring issues with the new 6.4?
Jason
Is there any common recurring issues with the new 6.4?
Jason
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Joined: Jun 2007
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I tow a 34ft 13k fifth wheel and get around 9-10 mpg while towing. It is a great tow vehicle to even though I wish the mileage was a little better
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Postmaster
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From: Southern Oregon USA
Originally Posted by kawtiper
I take you mean other than frequent trips to the fuel station.
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Senior User
Joined: Oct 2007
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From: in front of this PC
actually I seem to get better mileage than many but will not say exact #'s.
still waiting to hook up the toyhauler and see how it hauls. It is going to be better than the 1ton van I was using. sure has a ton of torque.
still waiting to hook up the toyhauler and see how it hauls. It is going to be better than the 1ton van I was using. sure has a ton of torque.
New User
Joined: Feb 2008
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My 08 f350 super duty crew 4x2 was ordered with 4:30 gears with auto trans.
Milage is all over the place, as low a 6 and up to 12-12.5 towing. 39" 5th wheel about 13,500# Can't beat the handling or power, but cross country trips are costly.
Milage is all over the place, as low a 6 and up to 12-12.5 towing. 39" 5th wheel about 13,500# Can't beat the handling or power, but cross country trips are costly.
More Turbo
Joined: Apr 2006
Posts: 560
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From: Radisson Sask
Just got back from a trip burned 2.5 tanks of fuel. Keeping at the speed limit or just below on the way there as it was blowing snow and at night I reset the meter and drove 3/4 of the trip mostly all highway with a little bit of city and I was running at 18.9 mpg. The last 1/4 of the trip I pushed it up to 118 km/h which is about 73 mph the mileage dropped no reset to about 18.2mpg for the whole trip. So driving just a bit faster makes a huge difference to my mileage.
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Joined: Feb 2008
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I wish
How much weight were you towing when you got these recults? And what type terrain?
I have run with cruise, no air and at or slightly below the posted speed and still cannot get over 12.5.
The second day I had this vehicle I went cross country to Montana and back, and barely averaged 11.2 .I was not pulling anything then and was not oaded heavily.
I wonder if the 4:10 gearing is an issue, and have considered dropping it to 4:10.Plan on mostly long tows cross country.
Thanks
I have run with cruise, no air and at or slightly below the posted speed and still cannot get over 12.5.
The second day I had this vehicle I went cross country to Montana and back, and barely averaged 11.2 .I was not pulling anything then and was not oaded heavily.
I wonder if the 4:10 gearing is an issue, and have considered dropping it to 4:10.Plan on mostly long tows cross country.
Thanks