What are you guys getting for fuel economy?

[JKinPA]

Same on my TREMOR. Normally 20 on the highway but I don’t do a lot of highway driving. I am good with what I get, love my truck.

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[JRonchetto]

2021 3.5EB XLT SCREW with 3.31 gears, 2 1/2" level and 275 65 20 Nitto Recon Grapplers. Most of my miles are combined and I consistently get about 17.5 mpg. That's what I got with my 2 previous trucks that were similarly equipped and driven.

 

[Kanuck]

I’ve got the 3.55 rear axle, and after driving home from the dealer on the highway, I got about 10L/100KM.
Since then, I’ve put on a bed cover, and reset my fuel economy. I went on a super easy road, and “hyper miled” it, and got about 7.5L/100KM.
But typically I think I’ll be seeing 10L/100KM I would assume, or slightly better on the perfect days.
-Calculating out my range on a 10L/100KM tank at 136L, I have a range of 1360KM, which is amazing!
Or if I was able to hypermile it on a trip, at 7.5L/100KM I’d be looking at 1813KM range, which is just nuts!
What do you guys typically see?

21 XLT, 3.55 rear axle, Supercab. Yesterday @ 100 kph was 8.3L/100. In 4 years of ownership, combined mileage is 13.653L/100. I have tracked mileage since day 1 and hand calculated.

 

[Kidder]

See my Fuelly signature. The DIC is always optimistic so I hand calculate with Fuelly. This includes multiple trips from TX to KY pulling 7k pound trailers/payload.

I only use 87 octane. I use ethanol free 87 when I stop at Buc-ee's.

 

[{tpc}]

I think gas mix is different for different parts of the country. With that said, I typically get 18-19 around here in detroit, 87 octane with the 10 percent ethanol? I think it has in it. But my commute is like 6 miles each way. I am sure I could get above 20 on a long highway trip, provided I am not towing or something.

 

[NiftyF150]

I get 16-18 MPG on summer fuel and 12-14 MPG on winter fuel. I only use BP 93 and fill up at the same station always unless I'm on a trip. I get a solid +2 MPG on 93 vs 87 but I am tuned so I'm not sure how much that has to do with it.

I have the 3.55 gears, running 35x12.50 tires on a 2.5" level with 1" lift shackles in the rear and a tremor skid plate swap so no more air dams.

I got 22-24 MPG when the truck was stock so the level, tires, and worse aerodynamics make a significant difference in MPGs. I can get very close to 20 MPG if I'm running 60 MPH but that almost never happens.

 

[gappmast]

Surely this was downhill or with a massive tail wind, or with the 2.7L.

My platinum with 3.5EB has 3:31 rear, light weight AT tires that are only a couple pounds more per tire, and 34" versus stock 33". I am leveled in front. I know my level, slightly heavier tires don't help, but I'd love if my truck got a couple more mpg than it does.

On flat road, no wind, doing 70mpg, I can maybe eak out 20 mpg. If I'm in town or short trips, I'm seeing 15-16. Anything outside of optimal conditions and I get 15-16. I have never seen anything over 20 except for a short burst of downhill, tailwind, doing 45mph, etc.
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[gappmast]

I drove mine from Los Angeles to Phoenix and back. I drove 75 in California and 80 in Arizona, 5 over the posted speed limit. The round trip was 25.5 miles per gallon

Don't be cheap the 3.5 likes premium fuel, it will pay you back with better mileage.

 

[tomcaudell]

Mine is a 2023 SCLB 4x4 5.0 3-31 rear leveled with 18” Toyo open country ta. I regularly drive from N Cal. To Vegas over highway 88 to 95. Lots of mountains. A lot of the speed limit is 70 mph. I get 19 to 20 mpg depending on the wind.

 

[rpold150]

I drove mine from Los Angeles to Phoenix and back. I drove 75 in California and 80 in Arizona, 5 over the posted speed limit. The round trip was 25.5 miles per gallon

Don't be cheap the 3.5 likes premium fuel, it will pay you back with better mileage.

Holy smokes! That's incredible. I do use only premium, but I also usually get it at costco or bucees. Costco is top tier, but ilI never really gave much value to the additives

 

[Chris GTO TT]

It depends on what I'm doing. I've seen as high as 24mpg and as low as 8mpg when towing our travel trailer into a 20+ mph headwind.

 

[gappmast]

Holy smokes! That's incredible. I do use only premium, but I also usually get it at costco or bucees. Costco is top tier, but ilI never really gave much value to the additives

One other thing I have found is use cruse control. Using cruse control will add at least 1.5 MPG. I also use COSTCO, I'm in California it's the only gas I can afford LOL

 

[rpold150]

One other thing I have found is use cruse control. Using cruse control will add at least 1.5 MPG. I also use COSTCO, I'm in California it's the only gas I can afford LOL

I can't even imagine CA gas prices. I'm in Houston and just filled up with Costco premium for 2.88

 

[gappmast]

I can't even imagine CA gas prices. I'm in Houston and just filled up with Costco premium for 2.88

COSTCO in Los Angeles is $4.29 for 91 octane. We can't get 93 octane.

 

[tomcaudell]

I fueled in Sacramento for $4.55 87 2 weeks ago on my way to fly to Dallas fueled my rental in Athens Texas for $2.43 if my F-150 was not at SMF I MAY NEVER had gone back. I live in the Sierras and recently paid as much as 4.85 for the cheap stuff. I travel to Carson City regularly and always fuel up it’s about $1.25 to $1.50 cheaper per gal.

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