Good Sam Club Open Roads Forum: Towing: Fuel Ecomony - Towing
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Cptnvideo

Arizona - most of the time

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Posted: 05/07/23 12:43pm Link  |  Quote  |  Print  |  Notify Moderator

We tow a 42' 5th with a Ram dually. 27,000 pounds going down the road and 13'5" tall. I usually don't pay attention to the fuel economy as it really doesn't matter (kind of like asking what the fuel economy is of a $300k boat - if you have to ask about fuel economy, you have no business buying the boat). But when I do check MPG towing, it is between 8 and 9 MPG.


Bill & Linda
Arizona
2019 Dodge Ram Laramie 3500 dually 4x4 diesel
Hensley Trailer Saver BD5 hitch
2022 Grand Design Solitude 378MBS
1600 watts solar, Victron 150/100 MPPT controller, GoPower 3kw inverter/charger, 5 SOK 206AH LiFePo4 batteries for 1030 ah

pianotuna

Regina, SK, Canada

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Posted: 05/07/23 01:46pm Link  |  Quote  |  Print  |  Notify Moderator

Consider adding air tabs.


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp-hours of Telcom jars, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

bob213

Fresno, CA

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Posted: 05/07/23 02:13pm Link  |  Quote  |  Print  |  Notify Moderator

If you are truly getting 10 mpg now I'd say you are an exception. I would not expect any more with a 3/4 ton gas. Maybe 2-3 mpg more with a diesel.


You can avoid reality, but you cannot avoid the consequences of avoiding reality – Ayn Rand


4x4ord

Alberta

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Posted: 05/07/23 02:16pm Link  |  Quote  |  Print  |  Notify Moderator

The 1 ton/3/4 ton pick ups ride like lumber wagons compared to a 1/2 ton. I think I'd consider sticking to a 1/2 ton for towing a 7500 lb trailer. I agree that the towing fuel economy would be very similar between a 1/2 ton vs a 1 ton. The baby Duramax in a half ton would be best on fuel.


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bob213

Fresno, CA

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Posted: 05/07/23 02:17pm Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

Consider adding air tabs.


Save your money and buy gas. If vortex generators actually improved fuel economy I think every 18 wheeler in the country would have them.

4x4ord

Alberta

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Posted: 05/07/23 02:35pm Link  |  Quote  |  Print  |  Notify Moderator

Cptnvideo wrote:

We tow a 42' 5th with a Ram dually. 27,000 pounds going down the road and 13'5" tall. I usually don't pay attention to the fuel economy as it really doesn't matter (kind of like asking what the fuel economy is of a $300k boat - if you have to ask about fuel economy, you have no business buying the boat). But when I do check MPG towing, it is between 8 and 9 MPG.


If I was buying a $300k boat I would definitely be asking what the fuel economy is. Knowing that I can afford something doesn't mean I want to afford it at any cost. I wouldn't order lunch from a McDonalds menu without seeing the prices.

corvettekent

Marysville, WA

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Posted: 05/07/23 03:46pm Link  |  Quote  |  Print  |  Notify Moderator

Towing my 12,000 lb 5th wheel with my 2022 Chevy 3500 with the Duramax I get 10 mpg at 65 mph. I could probably get another 0.5 if I slowed down to 60.


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valhalla360

No paticular place.

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Posted: 05/07/23 04:17pm Link  |  Quote  |  Print  |  Notify Moderator

Cptnvideo wrote:

We tow a 42' 5th with a Ram dually. 27,000 pounds going down the road and 13'5" tall. I usually don't pay attention to the fuel economy as it really doesn't matter (kind of like asking what the fuel economy is of a $300k boat - if you have to ask about fuel economy, you have no business buying the boat). But when I do check MPG towing, it is between 8 and 9 MPG.


Not a $300k boat (well, new they would both be in that range) but we sold our 1.5MPG boat to buy a similar size boat that got 6-10MPG. We gave up top end speed but when you are doing thousands of miles of motoring, it made a lot of sense, especially since marina fuel prices are typically $1/gal higher than on the road.

Also don't run at 75mph with the RV because you can pretty much see the needle on the fuel gauge moving. We aren't in any great rush, so 55-60mph is fine so long as we aren't holding up traffic.


Tammy & Mike
Ford F250 V10
2021 Gray Wolf
Gemini Catamaran 34'
Full Time spliting time between boat and RV


289457

Virginia

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Posted: 05/07/23 07:30pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks to all for your replies. The concern with fuel economy is not cost, but range. Trying to gain some confidence that a new gas 3/4 ton (probably Ford or GM) and leaning toward a Silverado w/ 6.6L and 3.73 rear end will go farther on a 34 gallon (or so) tank than the current truck takes me on a 25 gallon tank.

Lantley

Ellicott City, Maryland

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Posted: 05/07/23 07:47pm Link  |  Quote  |  Print  |  Notify Moderator

289457 wrote:

Thanks to all for your replies. The concern with fuel economy is not cost, but range. Trying to gain some confidence that a new gas 3/4 ton (probably Ford or GM) and leaning toward a Silverado w/ 6.6L and 3.73 rear end will go farther on a 34 gallon (or so) tank than the current truck takes me on a 25 gallon tank.

Fuel range is a real issue that is often overlooked and not considered.


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Correct Trax,Splendide


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