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Old 01-10-2015, 06:55 PM   #1
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MPG Honesty.

Just a question of curiosity.

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Old 01-10-2015, 07:17 PM   #2
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MPG Honesty.

Nick, with me wind plays a big part. With a good head wind 8 1/2 to 91/2 good tail wind I usually run 12/13 mpg . I am pulling a Pinnacle 36reqs that is actually 40ft . My tow rig is a 2013 F-350 DRW Crew cab long box 4x4 6.7 diesel. 3:73 gears . Empty 15/16 mpg. Speed is a big factor for mileage in a diesel I run 60 65 on average when towing . Drops fast when you put your foot in it
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Old 01-10-2015, 07:27 PM   #3
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Wind, for sure!
My current rig gets around 13mpg loaded on the flat with no wind. My previous rig would get 9-ish with the same conditions.
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Old 01-10-2015, 07:31 PM   #4
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Can I play Devils advocate for a minute? I see a lot of posts here re. MPG. unless I were doing a cross country trip and needed to know how far I could travel between trips to get to the next station I couldnt care less about what my mileage is. I have always figured an RV was like a boat, if you have to worry about the fuel then you shouldn't buy one.

Please understand, I mean no malice at all to anyone, I just was curious about why so much interest.
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Old 01-10-2015, 07:38 PM   #5
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I beleive my post says it all, "Just a question of curiosity". And you didnt even offer the information requested...
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Old 01-10-2015, 07:46 PM   #6
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Pulling a Premier 351 RSTS fifth wheel with a 2013 Ram 3500 SRW with the Cummins. Average 9 mpg towing and 21 not hooked up. Wind makes a bit of difference but the big impact is the weight of my right foot.
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Old 01-10-2015, 07:54 PM   #7
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Recent trip on way to beach. Calm winds. I get the best at this speed and rpm. At 70 drops to 11.
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Old 01-10-2015, 08:05 PM   #8
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Quote:
Originally Posted by Nick Haas View Post
Just a question of curiosity.

With my signature set up,

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My mileage just about mirrors yours on average with the 11 yr old 2500. Of course as others have noted head/tail winds can make a big difference. I have seen 16 hiway mpg not towing a time or two under good conditions and driving the speed limit or close to it.
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Old 01-10-2015, 08:12 PM   #9
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My 5.7 Tundra 4x4 gets about 18 on the highway (empty) around 65. I do mostly city driving though and average about 15.


Towing 6500 lbs at 65 mph I get right around 10. Wind in my face I get 9. Wind at my back I might squeeze 11.


For the record, I have 285/70 17 E rated tires too. With lighter tires I might get a little better, but a squirmier ride while towing. I'll sacrifice 1 mpg for rock solid stable towing.
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Old 01-10-2015, 10:01 PM   #10
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My old truck ford f150 2005 5.4l v8 gets 15 on avg mixed city and highway. Towing I would see 9 mpg. The New one I don't know yet
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