Normal towing mileage ?

[fordboost]

Truck gets great MPG in spring/summer/fall, 3.5, power boost.
just did a 5 hour round trip highway was 9.7L/100(24.25 MPG).

but towing a (relatively small) 18.5 foot boat, total weight is probably under 2500 pounds. On a tandem trailer..

The truck on same trip did 21.7L/100 (10.8 MPG) I was just in awe watching the fuel get sucked back. This was with cruise set at 103km/h(64MPH) , in fairly flat highways.
Does not feel under powered, or like I can’t step on it to make a pass if I had to. I just feel like something has to be wrong, does your truck do better towing heavier ?

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[Larry Arizona]

For reference, 3.5Eco max tow 3.55 getting 21 mpg not towing gets 9.5-10.5 towing 8500# boat/trailer combo at 70-75mph mostly flat.

 

[HammaMan]

Truck gets great MPG in spring/summer/fall, 3.5, power boost.
just did a 5 hour round trip highway was 9.7L/100(24.25 MPG).

but towing a (relatively small) 18.5 foot boat, total weight is probably under 2500 pounds. On a tandem trailer..

The truck on same trip did 21.7L/100 (10.8 MPG) I was just in awe watching the fuel get sucked back. This was with cruise set at 103km/h(64MPH) , in fairly flat highways.
Does not feel under powered, or like I can’t step on it to make a pass if I had to. I just feel like something has to be wrong, does your truck do better towing heavier ?

That's aerodynamic enough and light enough to try normal mode. Just watch your trans temps.

 

[Jimalt]

Following the post… I am on my ninth F150 and have always found the gas mileage is cut in half when I tow. It really makes no difference how much weight I tow. Could be a 3000 pound boat or a 10,000 pound camper. It has never made sense to me…
It doesn’t matter if it was a 5.4 triton, a 3.5 eco-boost or my current power boost… The gas mileage is almost always cut in half. Can anyone explain?

 

[Dizz]

I’ve wondered same thing
Mine 2.7 and on highway 68 mph mine drops from 21 to 16 pulling light aluminum boat with 60/40 Yamaha jet with aluminum trailer
My other boat is 15’ jon with 15HP 2 stroke both are light making no sense I suppose must be huge wind resistance thingie
Same truck on 2 lane roads even in mountains will climb to 23mpg
My truck hates interstate but my 14 Civic doesn’t mind interstate guess it’s much more aerodynamic

 

[Zig10]

Towing a 7500 lb 24' boat up and down I95 nets me about 9 MPG in either my '23 Powerboost or my '18 Expedition. It's also about the same that I got with my former '15 Yukon XL and with my former 2020 Ram. They were all within 0.5 MPG.

Physics remains unbeaten...

 

[Atlee]

I pull a 24.5 foot, 6,000# GVWR travel trailer. I usually get between 9.5 and 10.5 mpg. Terrain and wind are the biggest factors changing my mileage.

 

[huhner5]

I Have gotten under 5 mpg towing 4 sleds to the mountains(from MN to Montana).. Yes it was windy, I was just glad to have an Ecoboost in that situation.. the other half tons were not able to keep up... I was still able to hold 80 MPH..

 

[Davexxxx]

Mine is closer to 8mpg.

Towing not as heavy as some but I wonder if the front profile is the cause.

A fuzz less than 30' and something less than 7K lbs. so far but its a full 8' wide and 11,3" tall with curves only on the top and bottom of the Y axis. Hardly a bullet shape.

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