I drive a 2013 Ford F150 FX2 with a 5.0 Coyote in it, running a recent tune up, K&N filter, fuel system cleaned; towing my bug it gives me 10.8 MPG running 75 MPH on the highway and a about a tenth or two short of 20 MPG running solo on the highway.
I towed to Bois D'arc this week and was able to run back roads all the way their and all the way back @ 55 MPH about a 40 mile trip one way and that yielded 13.8 MPG. I reset the MPG/Trip meter every time I tow my boat and after I get home from a fishing trip. Just wondered if any of y'all were seeing this. I can remember when the national speed limit was 55 MPH I was getting around 14 MPG towing my previous bass boats with trucks and SUV's that would average around 20 to 24 MPG minus the boat.

My trip to Bois D Arc this week pulling my 21 feet Champion with 5.3 GMC 4x4 averaged 13mpg pulling at 70-80mph , 81 miles 1 way, obviously mileage increase dramatically at lower mph such as 55-60.

I average around 12 pulling and 17 without.

2022 F250 6.7 Powerstroke.

I get around 9-1/2 towing and 11 empty. But it is a fun truck to drive.

I've never checked. I am gonna pull my boat no matter what the mpg is. I knew going in that buying a truck and using it was not gonna save me money. I just know it's comfortable to drive and pulls the boat well.

17.5 pulling from Amarillo to Ute lake in NM last week. About 220 miles round trip running with cruise set on 76 mph.
This 3.0 ltr baby Duramax doesn't do as well as my first one but still gets around 28 mpg highway with no trailer.

89 dodge ramcharger,94 ,98,2001,2006 chev/GMC pickups have all got between 11 and 13 mpg mileage for me at 65-70 mph highway speeds..18-20 mpg highway without boat.....made couple 2200 mile trips to Falcon with a buddy in his Toyota tundra and got 8-10 mpg....

22 F-150 with 3.5 eco boost. Bout 9 or 10 at 80 mph pulling the Skeet. Less if I’m in a hurry.

Same truck pulling FX 21. 17.5 on average. I saw 19.5 going to LBJ two weeks ago. Downhill made a difference. 17.5 coming home on Masters Sunday. Love the Baby Max

2023 GMC AT4X towing my Phoenix between 70-75. Trip computer shows around 3500 miles towing with an average of 9.6

17 mpg on a 230 miles trip , chevy 3.0 diesel .

11-12 mpg with boat. 21 to 23 mpg without at 65 MPH. 2018 Silverado 5.3L gas.

3.0 Duramax Suburban 17 pulling boat, 27 highway no boat.

55mph in Texas? Even on back roads, was there a line of cars behind you? In today's world, if they lowered to 55mph, that means you'll be driving 40-45mph behind a RV or someone headed to a casino.

If you live in Louisiana this is the norm..... Been on a couple of roads in LA and 55 was too fast for the road conditions.

#s posted are all with conditions that are unknown,

2020 Tundra 4x4 5.7 pulling a 21 ZXR 20. Mileage sucks. It's always sucked. 55 mph or 80 mph. But its my 3rd one since 07. Not real excited that I cant get that 5.7 any longer when I buy my next Tundra.

2009 Dodge Ram 5.7 Hemi. 19-21 on hwy depending on wind, 13-14 in town, 11-13 pulling boat at 70mph.

One of the reasons I did it there was zero traffic.
Grew up in Louisiana and most the state highways are still 55. Law enforcement; especially around any small town; will enforce the speed limit to the letter, its their cash cow. Since being in Texas for over 30 years it felt REAL strange to drive that slow.
If any of you have plans to go to Caney Lake in Louisiana if you go through either Eros or Chatham watch your speed. I'd be slightly under the limit if anything.

I get the same numbers with a 2015 ram 1500 4x4 with a hemi
Higher numbers come from using cruise control

The baby duramax seems to be very good on fuel.
My 5.9 Cummins is a little over 20 unloaded at 70 mph and pulls about 17 mpg but its a 2600 pound boat and trailer.

2006 Duramax LBZ and a 22ft center console

Empty on the highway I’ve seen 21mpg. With the boat in tow, around 15-17mpg depending different factors. And that’s hand calculated

My rig is around 2,000lbs with trailer. Towing with a 2020 F150 FX4 3.5 with 3.55 tear end and I average 19mph at 65mph from South Florida to Texas. I get 23 without a trailer.

2022 Tundra 4x4 with 35" tires pulling a 21' Phoenix i get 13mpg at 75mph. no trailer behind it i get 17mpg running 75-80

I'm the same way 2021 4X4 Tundra with 5.7 liter engine pulling a 21 foot BassCat Cougar. I'm on my third Tundra also. Not sure what I'm going to do now that the 5.7 is no longer available. I have several years to figure that out.

In my 2020 F250 w/6.2 I can get 11.2 towing if I keep it under 75, Under 70 I can see 12.2, but that is about the limit of gas saving as anything slower around DFW you just become an impediment on the freeway towing a boat.

16mpg running highway speeds in my Dodge Ram 3500 Cummins dually……comfortable truck with a terrible ride…..

i know a v6 isn't as sexy as a v8, but my 2022 tundra would out pull my 2016 tundra 5.7 without a doubt.

2020 F250 with the 6.2... Cruising down the highway with cruise control set at 78 i'm getting somewhere north of 14mpg... Pulling the Bullet at or around the same speed I'm getting 11mpg... Around the city I have no idea since I don't use it as a grocery getter... The wife's Grand Cherokee does that... Dan

Yes. I hear ya. I hear what Toyota is saying as well. Its a proven motor from the "Lexus" line. I love the interior. Outside looks just OK, but better with some big tires. No replacement for displacement. When you have to start adding this and adding that to make up for cubic inches, your just asking for trouble. But, if anyone can do it right, it's Toyota. We will see in a few years.

2016 F150 3.5L Ecobeast

Love this truck and the power it has. I usually get around 12-13 MPG towing. Unless it was our travel trailer then it was around 10-12 depending on the wind / incline.

My average is 15.6 MPH for the life of the truck. It has a 2.5" Level kit, 22" Fuel wheels, and 33" Nittos. Had it remained stock, I bet I would get an increase of 2-3 MPG.

Ford F-150 Platinum 4x4 Supercrew 3.5 V6 Eco averages 12.5-13mpg towing Phoenix 920


























V

2020 Z71 , 5.3 getting about 11 , that's about in 15 miles

2019 Ford F-250 FX4 6.2 L GAS, 9 on the highway pulling a 2017 FX21 Select.

Yessir!
Love mine too- got 17.5 last weekend pulling boat, 27/28 on highway solo—love it!!!