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poor MPG

Discussion in '5th Gen 4Runners (2010-2024)' started by Love to be lost, Apr 2, 2024.

  1. Apr 2, 2024 at 2:09 PM
    #1
    Love to be lost

    Love to be lost [OP] New Member

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    my 2023 4Runner is getting very poor gas mileage like 12 to 14 miles to the gallon.it has a suspension lift would that make the ggas mileage be that poor.?King suspension all the way around,running 285 70 17 in tires at 32 psi, I am running 87 octane cheap gas., What premium gas help just curious?
     
  2. Apr 2, 2024 at 2:13 PM
    #2
    Love to be lost

    Love to be lost [OP] New Member

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    if it sounds like I'm whining I am because I haven't complained about it until now LOL. I still like my 4Runner it's very capable machine. I did put a K&N filter in it air filtermy first oil change was at 2700 I'm at 4300 now.
     
  3. Apr 2, 2024 at 2:17 PM
    #3
    Rocko9999

    Rocko9999 New Member

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    First step is eliminate the chance it's bad/cheap gas. Start using Shell, Mobil, Chevron, etc. gas. 87 octane. Monitor from there.
     
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  4. Apr 2, 2024 at 2:19 PM
    #4
    whippersnapper02

    whippersnapper02 New Member

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    You went larger tires over stock so they are heavier which will reduce mileage on a vehicle already not known for good mileage. No filter or add on will help with mileage and 91 may see a slight improvement if your state has ethanol free 91 but it's not going to be a drastic improvement. Driving habits affect mileage the most.
     
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  5. Apr 2, 2024 at 2:19 PM
    #5
    1SilverRunner

    1SilverRunner Long time listener, first time caller

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    Higher octane won't help but use good quality gas as mentioned above
    Air up your tires a bit (35-38) and drive around without a heavy foot.

    Report back on what your mileage is then.
     
    grizzlypath likes this.
  6. Apr 2, 2024 at 2:33 PM
    #6
    HotelMedicis

    HotelMedicis No Commercial Interests

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    With a lift and those big, heavy tires your MPG will plummet. Perhaps consider using a more economical vehicle for daily driving such as a Toyota Corolla and save the 4Runner for off-road use.
     
  7. Apr 2, 2024 at 2:36 PM
    #7
    PVT Pablo

    PVT Pablo

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    Driving style plays a huge part into gas milage, I get 16.5ish, my wife struggles to get 12.

    We even had a contest to see if she could get 15 on the same route. She could barely muster 13.

    Keep your foot out of it at low speeds and your milage should improve.
     
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  8. Apr 2, 2024 at 2:42 PM
    #8
    Dillusion

    Dillusion New Member

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    I mean stock its rated at 16/19mpg.

    :notsure:
     
    HighSierraGuy likes this.
  9. Apr 2, 2024 at 2:45 PM
    #9
    Steely123

    Steely123 What's the new trend? I'll do it!

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    The minute you neurons picture a mod, the 4runner loses mpgs. Lol
     
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  10. Apr 2, 2024 at 2:53 PM
    #10
    nova

    nova New Member

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    I get 12, but I earned it the old fashioned way :mudding:
     
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  11. Apr 2, 2024 at 2:53 PM
    #11
    Sin4R

    Sin4R New Member

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    Yes it does.

    If you find ethanol-free gas it would help slightly.
     
  12. Apr 2, 2024 at 2:54 PM
    #12
    Sin4R

    Sin4R New Member

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    I hope you regularly oil your K&N, right?
     
  13. Apr 2, 2024 at 2:57 PM
    #13
    glwood54

    glwood54 Stop making me buy stuff!

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    Maybe where you live. The only station I know of around me with ethanol-free gas charges more than a dollar more per gallon. It would take a serious mpg improvement to offset $20+ per tankful for ethanol-free.
     
  14. Apr 2, 2024 at 2:59 PM
    #14
    Sin4R

    Sin4R New Member

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    Technically, the OP asked how to improve mileage, not how to do so economically.

    Ask around your COSTCO, mine has a car enthusiast manager and they have ethanol-free premium that is not widely advertised as such. I tested to confirm.
     
  15. Apr 2, 2024 at 3:07 PM
    #15
    mcat707

    mcat707 MURDERED TRD

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    Are you using an aftermarket roof rack? Are you loaded with weight? Junk in the trunk, armor, etc? What tires and wheels are you using? Some tires and wheels weigh more than others.

    I get 10-12mpg on the average. Running 34s, Gobi rack, armor, winch etc. My lead foot doesn’t help either.

    I would say bad driving habits, larger tires, armor and aftermarket roof racks are usually the main culprits with getting poor MPGs.
     
  16. Apr 2, 2024 at 3:09 PM
    #16
    Lc200

    Lc200 Member

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    Focus on the ECO light. The longer it stays on, the higher the mpg will be. ECO light is everything.
     
  17. Apr 2, 2024 at 3:26 PM
    #17
    glwood54

    glwood54 Stop making me buy stuff!

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    I'll do that. I get my gas at the local Costco.
     
  18. Apr 2, 2024 at 3:43 PM
    #18
    Borracho Loco

    Borracho Loco My 4Runner identifies as a Prius!

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    Oooh look, another mod.....
    I don't understand this. I have a 12 inch lift, 44 inch tires and 400lbs of armor on my truck, and I get 28MPG! I'm shocked that messing with the center of gravity and rolling resistance of tires impacts miles per gallon.
     
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  19. Apr 2, 2024 at 4:24 PM
    #19
    Dillusion

    Dillusion New Member

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    Regular is ethanol free.

    At least here it is. Popular for boating.
     
  20. Apr 2, 2024 at 6:20 PM
    #20
    catbrown357

    catbrown357 New Member

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    This is counter productive. That oil could lead to coating of the MAF sensor, which could also lead to poor fuel economy. And really, let's be real. That K&N doesn't do shit. Better off going with OEM filters.
     
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  21. Apr 2, 2024 at 6:21 PM
    #21
    catbrown357

    catbrown357 New Member

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    This could be part of your problem. I would clean your MAF sensor, and get rid of that oiled filter.
     
  22. Apr 2, 2024 at 7:17 PM
    #22
    HazOpRed

    HazOpRed 22' TRDOR

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    Sounds normal for a lot of city driving
     
  23. Apr 2, 2024 at 7:31 PM
    #23
    YetiMtnBkr

    YetiMtnBkr New Member

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    I am consistently at 18.5 mpg on a stock 2021 Pro and a conservative foot! Added weight and a heavy foot will severely impact the MPG's.
     
  24. Apr 2, 2024 at 7:38 PM
    #24
    brodeyo

    brodeyo New Member

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    This has to be sarcasm…???
     

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