Fuel Mileage
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Fuel Mileage
Now that Ive made the changes to my truck with the XRT Pro and dpf delete Ive wondering if any trucks can get the high mileage the owners are bragging about. So my question is are there any 2008 to 2011 diesel dually crew cab 4x4s that could get 18 to 22 mpg completely stock and towing a 13000lb RV. I think that is just bs but thats what a guy told me he gets on his truck. I dont care what brand of the big 3 it is Im just wondering if it could be.
This is just a question to make me feel better that no truck can do that mileage.
Thanls again.
This is just a question to make me feel better that no truck can do that mileage.
Thanls again.
Super Moderator
Joined: Aug 2003
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From: Isanti, MN
A 2011 won't do that kind of mileage towing either! Mine got around 10 towing my enclosed car hauler.
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I was told this by a Dodge guy. I just dont think there is anything out there that will get that mileage. Ive been Ford forever and I would not get rid of this truck just because of the fuel milage. I did like the 7.3s better but they are gone. Thanks for your help.
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Joined: Nov 2006
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From: SE Wyoming
I know a Dodge guy with the older 5.9L and they don't get any better towing even with a tune, they get slightly better than our 6.4L's empty. He said he gets around 10 towing which is right at what I get with the 6.4L, and his isn't even a CC dually which would get even worse mileage.
The later 7.3's can get low teens towing, even mid if there are no hills.
The later 7.3's can get low teens towing, even mid if there are no hills.
Tuned
Joined: Oct 2007
Posts: 285
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From: Jackson,WY
There is more than likely no 6.4 that will get that kind of mileage towing, some empty but not all.
My old 08 the best it got was maybe 12 mpg, towing it was more like 6 or 7mpg. tuned or stock it did not care.
Now my 2011 gets that 17.5-19.5 range empty, towing 15,000-16,000lbs it is anywhere from 10.5 -12 mpg.
My old 08 the best it got was maybe 12 mpg, towing it was more like 6 or 7mpg. tuned or stock it did not care.
Now my 2011 gets that 17.5-19.5 range empty, towing 15,000-16,000lbs it is anywhere from 10.5 -12 mpg.
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From: Isanti, MN
Seems like everyone discusses towing mileage like it's all the same. It's not!
Highway towing MPG depends nearly exclusively on wind resistance and speed. Both vary immensely depending on the driver and the trailer in question. A 5th wheel flatbed trailer with no load will get much better MPGs than a 15,000 lb 5th wheel camper. Heck, a flatbed open trailer with 10,000 lbs of metal plate on it will get far better MPGs than my empty, 3,600 lb, enclosed trailer.
So I figure we're mostly talking about efficiency towing a high profile, heavy 5th wheel camper. No truck, not even the 7.3L, will get into the teens with such a trailer unless there is a serious tailwind.
Highway towing MPG depends nearly exclusively on wind resistance and speed. Both vary immensely depending on the driver and the trailer in question. A 5th wheel flatbed trailer with no load will get much better MPGs than a 15,000 lb 5th wheel camper. Heck, a flatbed open trailer with 10,000 lbs of metal plate on it will get far better MPGs than my empty, 3,600 lb, enclosed trailer.
So I figure we're mostly talking about efficiency towing a high profile, heavy 5th wheel camper. No truck, not even the 7.3L, will get into the teens with such a trailer unless there is a serious tailwind.
Logistics Pro
Joined: Nov 2001
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From: Georgia
I know a Dodge guy with the older 5.9L and they don't get any better towing even with a tune, they get slightly better than our 6.4L's empty. He said he gets around 10 towing which is right at what I get with the 6.4L, and his isn't even a CC dually which would get even worse mileage.
The later 7.3's can get low teens towing, even mid if there are no hills.
The later 7.3's can get low teens towing, even mid if there are no hills.
Logistics Pro
Joined: Nov 2001
Posts: 3,787
Likes: 102
From: Georgia
Seems like everyone discusses towing mileage like it's all the same. It's not!
Highway towing MPG depends nearly exclusively on wind resistance and speed. Both vary immensely depending on the driver and the trailer in question. A 5th wheel flatbed trailer with no load will get much better MPGs than a 15,000 lb 5th wheel camper. Heck, a flatbed open trailer with 10,000 lbs of metal plate on it will get far better MPGs than my empty, 3,600 lb, enclosed trailer.
So I figure we're mostly talking about efficiency towing a high profile, heavy 5th wheel camper. No truck, not even the 7.3L, will get into the teens with such a trailer unless there is a serious tailwind.
Highway towing MPG depends nearly exclusively on wind resistance and speed. Both vary immensely depending on the driver and the trailer in question. A 5th wheel flatbed trailer with no load will get much better MPGs than a 15,000 lb 5th wheel camper. Heck, a flatbed open trailer with 10,000 lbs of metal plate on it will get far better MPGs than my empty, 3,600 lb, enclosed trailer.
So I figure we're mostly talking about efficiency towing a high profile, heavy 5th wheel camper. No truck, not even the 7.3L, will get into the teens with such a trailer unless there is a serious tailwind.
Postmaster
Joined: Nov 2006
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From: SE Wyoming
Towing what? For seven years I towed a 12K lb 5er with mine (3.73 Rear axle) and never got over 10.3 or so. That was a light truck (excab 4x4 shorty). Hard to find a truck much lighter or higher geared that will pull 12K lbs. And, darn sure hard to find a motor other than the dodge 6, that is more efficient.
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