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Gas mileage on 21 SR5

Discussion in '2.5 Gen Tundras (2014-2021)' started by eagleguy, Sep 18, 2022.

  1. Sep 18, 2022 at 3:41 PM
    #1
    eagleguy

    eagleguy [OP] New Member

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    I have been following all the threads on all the different MPG numbers for quite some time. In my case the best I was doing on a regular highway/street regimen was about 13-14 mpg. Today when doing my fill up and checking my mileage the old school way I found I got just over 17 MPG. WOW! Truck has about 13K and my driving habits have not changed. Good for me as I will most likely be back at 13-14 mpg real soon!
     
  2. Sep 18, 2022 at 3:54 PM
    #2
    q445187

    q445187 New Member

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    A good place to look is Fuelly. You can see actual numbers from real people.
     
    Doxiedad and HulkSmurf14 like this.
  3. Sep 18, 2022 at 3:58 PM
    #3
    eagleguy

    eagleguy [OP] New Member

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    Just giving my experience
     
  4. Sep 18, 2022 at 5:15 PM
    #4
    Winning8

    Winning8 New Member

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    No traffic on highway, I get 16-17 all day every day. It’s suck hella gas on engine startup and local…
     
    Joro43 likes this.
  5. Sep 18, 2022 at 7:46 PM
    #5
    HulkSmurf14

    HulkSmurf14 ...Weighted Average...

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    Tastefully enhanced...
    Fuelly for tracking hand-calc'd mpg...
     
  6. Sep 18, 2022 at 8:55 PM
    #6
    Tundra_361

    Tundra_361 New Member

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    Stock for now
    My 2020 DC 2wd on stock tires I have gotten 17-18+ on the highway. I usually average 13-14 with my daily commute to work city and very little highway. Driving just city is incredibly horrible. I’ve had Tundras since 2012 so nothing new to me. I don’t drive much. I only fill up once every 2 weeks. So don’t mind getting crappy mileage. The truck makes me happy when I’m driving it and that’s all the matters
     
  7. Sep 19, 2022 at 8:45 PM
    #7
    PA452

    PA452 New Member

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    My '21 CM definitely gets worse mileage than my '18 DC did. '18 had more pep too. I don't think it's all attributable to the different cab either.

    Best I've ever gotten in my '21 is 17.08 mpg. Best I ever had with my '18 was 20.12 mpg.
     
  8. Sep 22, 2022 at 2:35 PM
    #8
    Gort

    Gort New Member

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    In my 2020 SR5 Crewmax I got around 13L/100KM (18MPG) on a 400km round trip yesterday with my wife, half of it I was hauling 900Lbs of tile in the bed of the truck. I was shocked at how little the fuel economy changed with all that weight.

    I wasn't going particularly easy on it either, I put it into tow/haul mode to pass some traffic going up hill, passing slow traffic, no problem.
     
  9. Sep 22, 2022 at 2:39 PM
    #9
    Winning8

    Winning8 New Member

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    5.7 is made for hauling and long trips
     
    itsallgood101 likes this.
  10. Sep 22, 2022 at 2:40 PM
    #10
    Tundra234

    Tundra234 New Member

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    Alot of them
    I don't even look at it. You have to pay for it anyway.
     
  11. Sep 22, 2022 at 3:07 PM
    #11
    Gort

    Gort New Member

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    My recent obsession is only because my vehicle is very new to me. Lots of talk about the poor fuel economy but it is much better than others have been saying. It helps to be a competent driver as well, not rushing to stop at stale lights and predicting traffic flow.
     
  12. Sep 22, 2022 at 7:45 PM
    #12
    SwitchThrottle

    SwitchThrottle Stuck behind enemy lines

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    Best I saw was 24ish, but that was all downhill from the gas station. :thumbsup:

    Mid 13s is normal.
     
  13. Sep 23, 2022 at 12:05 AM
    #13
    Blue By U

    Blue By U New Member

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    You're not accounting for lifts; tires and all the weight most have added. Folks with "leave it as they made it" will do considerably better than those who subscribe to this site.
     
  14. Sep 23, 2022 at 4:15 AM
    #14
    nobodyintexas

    nobodyintexas What?

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    Whatever this forum told me to do
    yup.

    I'm stock running gear & susp. I avg 17. mostly hwy. same route. I drive 60mph.

    I can easily do mid 19's on the hwy.

    yes...even though I am S/C'd. mileage did not change. it runs in bypass most of the time.

    yes, mileage will SUCK if i hit the skinny pedal.
     
  15. Sep 23, 2022 at 4:27 AM
    #15
    OHwendTrd

    OHwendTrd New Member

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    I will x2 this comment. I had an SR5 18 CM (used) and traded for an SR5 21 CM (new) same truck essentially, I believe there is a noticeable difference in peppiness and fuel mileage displayed. So I would agree that the DC vs CM did not make a difference.
     
  16. Sep 23, 2022 at 4:43 AM
    #16
    Gaston

    Gaston New Member

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    and lets not forget the speed, doing 60 vs 75 has shown a big difference for me. I'm leveled with heavier wheels and 285/60R20 tires (nothing major) and combined city/highway driving (75mph) I get 12.5mpg, all highway at 75mph I get about 13.5-14mpg, but if I drive on two lane roads at 60mph I've seen a best of 16.5mpg. I just can't bring myself to drive 60mph when the speed limit is 70 lol
     
    snivilous likes this.
  17. Sep 23, 2022 at 7:38 AM
    #17
    Winning8

    Winning8 New Member

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    Big tires kill mpg…
     
  18. Sep 23, 2022 at 8:19 AM
    #18
    snivilous

    snivilous Member

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    Yea using the argument of go slow to get good mpg never makes sense to me. Time has value too, and personally it's way more valuable than an extra $5 at the fill up.
     
  19. Sep 23, 2022 at 8:55 AM
    #19
    Terndrerrr

    Terndrerrr it's good to get lost once in a while

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    I can do 14 combined when I don’t care and 16 when I do care. That’s corrected and across an entire tank. Not sure it’s worth caring.


    OP your problem is the extra wind drag from your front hitch. :rofl:
     
  20. Sep 23, 2022 at 12:18 PM
    #20
    PA452

    PA452 New Member

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    It's like they were trying to make the next gen Tundra more appealing.
     
  21. Sep 23, 2022 at 12:45 PM
    #21
    Winning8

    Winning8 New Member

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    mpg and boost don't mix tho
     
  22. Sep 23, 2022 at 8:55 PM
    #22
    Terndrerrr

    Terndrerrr it's good to get lost once in a while

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    Maybe y'all are noticing the Safety Sense stuff and its impact on throttle response??? Maybe ignorance is bliss. My truck is plenty responsive and jumps off the line in T/H mode, especially with all the nannies off.

    Fuelly has the 2021 Tundra with a bit better fuel economy than years 2015-2020. :notsure:

    I seriously doubt Toyota would make an entire year's worth of trucks only to sandbag them in order to make the following model year look better. o_O
     
  23. Sep 23, 2022 at 11:10 PM
    #23
    Blue By U

    Blue By U New Member

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    It really comes down to 1-5mpg difference over the years. Tuning, driving habits, flatlanders, mtn folks, stock, modified these are all things that contribute to mpg. These are large heavy trucks that have a low cargo weight capacity, they come tapped out. If they would not continue to offer smaller power trains and realize there is no replacement for displacement. My 66 F250 with a 410ci 4sp and 410 rear gets better mileage and will carry 2k lbs. in the bed. My Tundra won't do that.
     
  24. Sep 24, 2022 at 5:57 AM
    #24
    Half Assed

    Half Assed me ne frego

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    Yup, the commuter car i picked up earlier this year gets 28mpg going 90. You can save gas and save time. :D

    Nobody likes to consider the additional cost of premium/diesel fuel either. That's why i like the 5.7, 380hp and it runs on the cheap stuff.
     
    OHwendTrd and snivilous like this.
  25. Sep 24, 2022 at 7:26 AM
    #25
    PA452

    PA452 New Member

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    Definitely not the safety sense stuff, my 2018 had that too.

    My '21 with tow/haul engaged feels like my '18 with tow/haul disengaged.

    That said I will say my '18 with TH engaged almost had too much get up and go. Even pulling a trailer, you had to be easy on the pedal to not chirp the tires a hair when pulling out from a stop.
     
  26. Sep 24, 2022 at 8:00 AM
    #26
    Winning8

    Winning8 New Member

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    I think it’s the way they tune the gas paddle, like 19 up is more progressive, earlier years is more Linear.
     
  27. Sep 24, 2022 at 8:00 AM
    #27
    Terndrerrr

    Terndrerrr it's good to get lost once in a while

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    Your ‘18 sounds exactly like my ‘21.
     
  28. Sep 25, 2022 at 11:21 AM
    #28
    34ford

    34ford New Member

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    We spoke about this last wed. @ Eustis, 34ford
     

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