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Worst towing fuel economy

Old 10-26-2019, 10:08 AM
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Default Worst towing fuel economy

Yeh .....mostly for fun

I get 9-10 mpg towing close to 5,000 lb boat/ dual axle trailer with 04’ Ford Explorer ...

Fairly typical fuel economy across mostly flat / highway 55 mph .
Old 10-26-2019, 10:19 AM
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I've averaged about 10MPG according to the computer over ~7500 miles with this rig.

Old 10-26-2019, 01:35 PM
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'06 Duramax pulling a ~3500-4000lb boat.

On the highway at 70mph I can get 18mpg
Old 10-26-2019, 01:43 PM
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thanks not the worst.....that’s among the best
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Old 10-26-2019, 01:50 PM
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Tundra, 5.7 ...... you plan your stops at half a tank.
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Old 10-26-2019, 03:21 PM
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I had a 94 suburban 2500 454 got 5.5 pulling 10k lbs. I had an 02. 8.1 that got 7.5 pulling same load
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Old 10-26-2019, 03:35 PM
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Now that’s some lousy fuel economy at 5.5 mpg !
Thought mine pretty bad at 9.....10 at best.
it is .....what it is
Old 10-26-2019, 04:50 PM
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I had an '00 Dodge 2500 with the V10 gasser. Got between 5 and 6 pulling a Grady Islander. On top of that, the motor was gutless.
Old 10-26-2019, 05:08 PM
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2003 2500 Suburban w/ 8.1 gets about 7mpg towing by boat or camper while cruising at 55mph. Stop and go? I don't even want to talk about it! But she never struggles, absolute beast towing!
Old 10-26-2019, 05:16 PM
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I get about 30 mpg towing with my Prius, lol. But I do get around 10-12 on my V6 Tacoma towing around 3500-4K.
Old 10-26-2019, 05:21 PM
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Pulled two skidsteers on a goose neck (about a 20,000lb load) with a 2017 single wheel f350 yesterday and averaged 7.5 mpg😬
Old 10-26-2019, 05:44 PM
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As noted above, Tundra w/5.7, gets 9.1 pulling ~ 4500# boat on the highway. For long trips, plan on gas stops every two hours or less with the 26 gallon tank in my 2014. I believe the newer models have a larger tank (34 gal?) which helps a bit.
Old 10-26-2019, 06:07 PM
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Years ago I had a Dodge 3500 V-10 Dually, 6 speed manual, crew cab, 4x4. Bought it as a farm/fishing truck for next to nothing. I took a 50hp John Deere tractor to get the radiator replaced at a dealer about 60 miles away. I filled the 42 gallon tank leaving and it was empty when I got back to the house with the empty trailer. So, it was something like a sub 3mpg average at 55mph. Then a week later I made the trip again to pick it up. Good thing gas was cheaper back then.
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Old 10-26-2019, 06:09 PM
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Originally Posted by Retiredearly View Post
As noted above, Tundra w/5.7, gets 9.1 pulling ~ 4500# boat on the highway. For long trips, plan on gas stops every two hours or less with the 26 gallon tank in my 2014. I believe the newer models have a larger tank (34 gal?) which helps a bit.
I am getting better than that pulling #9820. 2019 CrewMax Limited 5.7L 4x4. 38 gallon tank
Old 10-26-2019, 07:04 PM
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Originally Posted by Riptide View Post
Tundra, 5.7 ...... you plan your stops at half a tank.
Yeah, that. My 2010 had the 26 gallon tank. You could pretty much see the indicator dropping. On my first tow to the Keys, I knew it was going to be a lot of stops when I was down to about 3/4 tank at the Skyway. I think it might have been just a hair over 6 mpg for the trip. Boat and truck were loaded with gear and supplies for a week for a family of four.

Conversely, the same trip with the same boat and load (probably more) with the Titan XD was much better. More like 11-12 mpg towing faster due to it being much more comfortable to do.
Old 10-26-2019, 07:15 PM
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2013 Silverado, 2500 HD, 4 WD, Crew cab, gas engine, 8' bed towing 7500 lbs. camper plus 3 bicycles, 2 kayaks, 2 paddle boards, and all food and drinks for a 10 day trip from Lobg Island to upstate New York to the Thousand Islands area. Most of the trip was up hill, or mountains as they were , and we averaged 8+ MPG going there and closer to 10 MPG downhill coming home. Truck has 65K miles on it now and computer dash says average 10.3 MPG over the lifespan of it travels. This is still better than my last 3 trucks, all were exactly the same size but some were 2 wheel drive. Most of my work related driving is local around town type driving.
Old 10-26-2019, 07:58 PM
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2002 Chevy 2500hd, 4x4, 8.1L 496ci big block, 5 speed Allison, crew cab, lifted on 35's, 373 gears. Towing my 30' Weekend Warrior toybox with a Jeep TJ rock crawler on Dana 60 axles and 42" tires inside the toybox. 120 gallons of water. 90 gallons of fuel, tools, welder, air compressor, floor jacks etc. Tips the scales at a whopping 23,600 lbs.
Mpg= 4.9
Absolutely the best truck I have ever had. 92,000 All heavy towing miles. Regular maintenance only. Has NEVER left me stranded! Tows like a freight train and is a blast to drive!

Old 10-26-2019, 08:04 PM
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10 is my worst. 03 Dakota 4.7L 5M towing boat in sig on tandem axle trailer thru Adirondack mountains.
Old 10-26-2019, 08:14 PM
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Tundra with 5.7 towing 9000 lbs through the mountains. Usually 60 to 75 mph. I get between 9 to 10 mpg depending on which way I'm going.
When going up some of the hills I'm getting less than 2 Mpg but an 8.5% grade will do that to you.
Old 10-26-2019, 08:20 PM
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2010 Sierra 1500, gets 8.1mpg pulling my 26ft, and can’t go 70mph for long in the summer or it will try to run hot.

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