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mpg again

powerboatr

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#1
today round trip of 46 miles at 70-75 , 23 miles each leg, so 23 one way then return same route 23 miles steady state as you can be on pretty nice day, light wind if any
and driving the speed limit of 70 to 75 on the toll way
ac OFF on the 20.1, just let vents blow in 62 degree air
return ac was on but set at 68 as we were driving into the sun
one way car got 20.2, had to pass one truck in the 2 mile passing lane, he was not doing 70, i let cruise overtake him at 75
return i got 20.8 mpg

so i think thats my number
thats the ball park for the last 3 tanks as well of 92
and those tanks , had some 70 and good bit of 60 to 65 and some 20 mph for 4 miles in my village from highway to hacienda del powerboatr;)

i seriously doubt any one getting 25 in a ST. doing real speeds of 70 -75
i could be wrong???
 

Dale5403

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#2
Will the cooler weather my MPG has gone down. We may be getting the crappy winter gas so that may be part of it. Right now i am at 22 MPG with a mix of highway and around town driving. Summer was about 3MPG better. Mine is a 2020 and the MPG did go up this year with more miles on it.
 

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Location
Sumner County TN
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2025 Ford Explorer ST 400a
#3
today round trip of 46 miles at 70-75 , 23 miles each leg, so 23 one way then return same route 23 miles steady state as you can be on pretty nice day, light wind if any
and driving the speed limit of 70 to 75 on the toll way
ac OFF on the 20.1, just let vents blow in 62 degree air
return ac was on but set at 68 as we were driving into the sun
one way car got 20.2, had to pass one truck in the 2 mile passing lane, he was not doing 70, i let cruise overtake him at 75
return i got 20.8 mpg

so i think thats my number
thats the ball park for the last 3 tanks as well of 92
and those tanks , had some 70 and good bit of 60 to 65 and some 20 mph for 4 miles in my village from highway to hacienda del powerboatr;)

i seriously doubt any one getting 25 in a ST. doing real speeds of 70 -75
i could be wrong???
That just hurt my head.


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OP
powerboatr

powerboatr

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Thread Starter #4
That just hurt my head.


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I just enjoy how it's not even close to window sticker.
Buts it such fun to drive
 

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2025 Ford Explorer ST 400a
#5
I just enjoy how it's not even close to window sticker.
Buts it such fun to drive
I don’t pay much attention to it. It varies too much. You lose going up and gain coming down. Balances out eventually. Best way is reset while moving. Takes less time to wind down and give more mpg. If you are below your mpg, it takes forever to climb.
I pay more attn. to miles to empty which is still mine boggling.


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23 Explorer ST

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#6
I’m averaging around 22.5 - 23 mpg around town. Highest I’ve seen is 24.7 on long highway trips doing 70-75 mph, that’s on 93 octane but if I run 87 - 89 the mileage drops by 2-3 mpg.
This is hand calculated.


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powerboatr

powerboatr

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Thread Starter #7
I don’t pay much attention to it. It varies too much. You lose going up and gain coming down. Balances out eventually. Best way is reset while moving. Takes less time to wind down and give more mpg. If you are below your mpg, it takes forever to climb.
I pay more attn. to miles to empty which is still mine boggling.


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My miles per tank run all over
Highest I have seen is 371. Right afyer a fill up..but it usually gets less
But right now it's 53% or 230 miles dte..which would indicate 24 mpg...yesh right.
Thats a fantasy
It's never come close to 400 dte
 

Last edited:
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Sumner County TN
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2025 Ford Explorer ST 400a
#8
My miles per tank run all over
Highest I have seen is 371. Right afyer a fill up..but it usually gets less
But right now it's 53% or 230 miles dte..which would indicate 24 mpg...yesh right.
Thats a fantasy
It's never come close to 400 dte
That’s why I say its mine boggling. On occasion, I get a full tank and it gets ~420 miles to empty.
Before I pull out of station, I reset the mpg and stuff to zero and let it build. The road I get out of station is 30 mph. By time I get home I’m at about 23-24 mpg.



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Kansas
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2022 Rapid Red ST
#9
One round trip 65-70 mph. Included some in town driving.


1732363171419.jpeg
 

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#10
I wonder about the actual reliability of these. Mine always settles in at about 17.5 MPG no matter how I drive. My DTE usually is around 320-325 after a fill up.
 

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#11
Manual calculation using gallons purchased matched the display.
 

Last edited:
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powerboatr

powerboatr

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Thread Starter #12
I have done manual by filling up to it stops
But that is not 100% accurate because it can stop and not be the same fuel load thst was removed
If I reset at 70..it will jump to 23 , 24
Then start dropping to 20 pretty quick..as in 10 to 15 minutes
Dte at fill u p stays in that 371 range
Compared to the f150...if mpg is 18.
I fill up it gives in 570 range...get on highway steady state for 20 or so miles dte will actually climb and if it's a long no stop 6 or more hrs..it will touch if you add dte and miles driven...700

What I thought was strange...was dte right now is the over 50% and the over 200 miles dte...it's a first...so if math adds up to 370 or higher. Between dte and miles driven..then the avg and trip mpg are off ,
I do tend to rely on dte more than any other
 

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#13
I just enjoy how it's not even close to window sticker.
Buts it such fun to drive
Window sticker is from EPA who probably drives these cars like grandmas.
 

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#14
Will the cooler weather my MPG has gone down. We may be getting the crappy winter gas so that may be part of it. Right now i am at 22 MPG with a mix of highway and around town driving. Summer was about 3MPG better. Mine is a 2020 and the MPG did go up this year with more miles on it.
Technically the cooler the weather the more efficient the engine is because of more dense air being used. I bet crappy winter gas.
 

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#15
today round trip of 46 miles at 70-75 , 23 miles each leg, so 23 one way then return same route 23 miles steady state as you can be on pretty nice day, light wind if any
and driving the speed limit of 70 to 75 on the toll way
ac OFF on the 20.1, just let vents blow in 62 degree air
return ac was on but set at 68 as we were driving into the sun
one way car got 20.2, had to pass one truck in the 2 mile passing lane, he was not doing 70, i let cruise overtake him at 75
return i got 20.8 mpg

so i think thats my number
thats the ball park for the last 3 tanks as well of 92
and those tanks , had some 70 and good bit of 60 to 65 and some 20 mph for 4 miles in my village from highway to hacienda del powerboatr;)

i seriously doubt any one getting 25 in a ST. doing real speeds of 70 -75
i could be wrong???
I think I got 26 MPG once, no idea how I did it but I had a lot of back wind and was going around 75. Under normal conditions I see around 19 MPG around town and 21-22 MPG on a 2-lane road. I do have a heavy foot though.
 

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#16
I have always found that NON-ethanol gas provides about two more mpg.
 

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#17
I have always found that NON-ethanol gas provides about two more mpg.
But non ethonal gas also tends to be more expensive, so it null n voids the better gas mileage.
 

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#18
Technically the cooler the weather the more efficient the engine is because of more dense air being used. I bet crappy winter gas.
Cold weather takes more fuel every time you start the engine. And winter fuel makes it worse.
 

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#19
But non ethonal gas also tends to be more expensive, so it null n voids the better gas mileage.
Non ethonal gas by us is way more expensive. Due to that I only use it in small engines as it does not go bad as fast if it sits for long.
 

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#20
Cold weather takes more fuel every time you start the engine. And winter fuel makes it worse.
It does takes more fuel when it is cold because of the high cold idle but i wouldn’t imagine there’d be a huge difference unless you’re letting it idle for a long time. If there is the same fuel quality was present there shouldn’t be a difference once it’s warm.
 

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