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Old 06-23-2015, 01:21 AM   #11
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2002 1500hd with 4:10 and 4x4. 7 or 8 mpg towing a 8000 lb 5th wheel on flat ground, no wind. 11 to 12 mpg not towing, highway, 6 to 7 mpg in city driving. Thirsty but minimal depreciation cost.


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Old 06-23-2015, 03:01 AM   #12
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I recently traded my 2500HD 6.0 gas for a 2015 3500HD Duramax, I got around 8mpg when towing now with the duramax I am getting around 13, over a 50% increase on MPG
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Old 06-23-2015, 06:32 AM   #13
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I recently traded my 2500HD 6.0 gas for a 2015 3500HD Duramax, I got around 8mpg when towing now with the duramax I am getting around 13, over a 50% increase on MPG
I made the same trade with same results, yet I can't make most people realize how much money I'm saving on fuel. So what if it's a little more per gallon. You use half as much.
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Old 06-23-2015, 06:33 AM   #14
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Exactly
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Old 06-23-2015, 07:18 AM   #15
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I average 18 not towing with a 2015 gmc 2500hd 6.0 4.10 gears. 11 towing 2016 windjammer 3008. 13 with a 1000lb golf cart in the truck( go figure ) I guess the top of the cart kicks the air over the front of the camper. K&N filter cold air intake..... performance chip
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Old 07-01-2015, 08:08 PM   #16
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I averaged 9.8 MPG on an 8000 mile trip in my F250 6.2l. Truck performed well under most conditions but I just traded for a diesel.


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Old 07-02-2015, 06:43 PM   #17
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My 02 gmc 2500hd 6.0 with 5 speed manual I got 18mpg non towing . Wish Gm offered a manual in todays trucks. Think 05 was the last year.
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Old 07-03-2015, 12:03 PM   #18
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My 14 F150 Ecobeast gets 7-8 mpg towing my Vibe 268RKS. Highest to date was 10.5mpg. Solo I average 18mpg but 65mph freeway up to 23mpg. Drops off pretty quick above that speed. 3.31 ratio supercrew 4x4 long bed. Might have got a bit better towing mpg if I had a lower axle ratio. I'm sure my mileage also suffers because most tow trips are through the columbia river gorge which is known for it's winds, not to mention I drive through alot of hills.
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Old 07-03-2015, 03:39 PM   #19
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I have a 2011 Chevy 2500 with 4.11 gears gas fuel. Towed a 31' Greywolf toy hauler with a good load in it. Went from Syracuse NY to Boulder Colorado and back. Averaged 8.8 mpg towing. When not towing get average 14.7 mpg, highway up to 17.8 Get better mileage when using non ethynol gas but not many places had it on our route. Get about 2-3 mpg more with the non ethynol.
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Old 07-04-2015, 10:11 AM   #20
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My 14 F150 Ecobeast gets 7-8 mpg towing my Vibe 268RKS. Highest to date was 10.5mpg. Solo I average 18mpg but 65mph freeway up to 23mpg. Drops off pretty quick above that speed. 3.31 ratio supercrew 4x4 long bed. Might have got a bit better towing mpg if I had a lower axle ratio. I'm sure my mileage also suffers because most tow trips are through the columbia river gorge which is known for it's winds, not to mention I drive through alot of hills.

Didn't know the F150 ecobeast was an HD TOW VEHICLE??
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