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Will lift and wider tires change mpg?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Jeremy15, Dec 29, 2017.

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  1. Dec 29, 2017 at 1:38 PM
    #1
    Jeremy15

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    Jeremy15 [OP] Well-Known Member

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    Im about to put a set of bilsteins on my 2012 Tacoma at 1.75 inches in the front only and I was also going to go up an half inch in width from 16x7.5 stock rims to 16x8 w/ 245/60/r16. How many mpg will I lose if I usually average about 21 mpg?
     
    Jeremy15, Dec 29, 2017
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  2. Dec 29, 2017 at 1:43 PM
    #2
    geekhouse23

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    geekhouse23 The "Liftman" - @DrFunker

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    More weight = less MPG

    EDIT: Larger rotating mass will lower MPGs as well.

    What material will the new wheels be? Steel or alloy? Load rating of the new tires as well?
     
    geekhouse23, Dec 29, 2017
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  3. Dec 29, 2017 at 1:46 PM
    #3
    DriftingPanda18

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    DriftingPanda18 Well-Known Member

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    Yes, I have 255/85r16, a 2 inch lift and I only get 240 miles on a full tank. It also depends on how you drive too.
     
    DriftingPanda18, Dec 29, 2017
    #3
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  4. Dec 29, 2017 at 1:47 PM
    #4
    rnish

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    rnish Well-Known Member

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    I went up one size, added 5 LBs per tire, my MPG went down ~1 MPG.
     
    rnish, Dec 29, 2017
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  5. Dec 29, 2017 at 1:48 PM
    #5
    TacoTacoma97

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    TacoTacoma97 Eagle Scout

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    I think it's a Tacoma, let me go check again...
    *Cracks knuckles* Where do I begin?
    Google can also answer these questions :D
     
    TacoTacoma97, Dec 29, 2017
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  6. Dec 29, 2017 at 1:49 PM
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    Jeremy15

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    Jeremy15 [OP] Well-Known Member

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    Yes google brought me here and the best answers are from experienced Tacoma owners
     
    Jeremy15, Dec 29, 2017
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  7. Dec 29, 2017 at 1:56 PM
    #7
    Wyckedan

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    Wyckedan Well-Known Member

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    21 mpg? Jesus I would kill for that. I just filled up, fuel light on, 17.4 gallons, 232.9 miles on trip meter= 13.38 mpg
     
    Wyckedan, Dec 29, 2017
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  8. Dec 29, 2017 at 2:55 PM
    #8
    Jeremy15

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    Jeremy15 [OP] Well-Known Member

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    My trucks a Prerunner and its not been modified at all so that's probably why. What have you upgraded on your truck?
     
    Jeremy15, Dec 29, 2017
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  9. Dec 29, 2017 at 3:00 PM
    #9
    Jeremy15

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    Jeremy15 [OP] Well-Known Member

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    Not sure about the load rating but the rims are pro comp alloy.
     
    Jeremy15, Dec 29, 2017
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  10. Dec 29, 2017 at 3:02 PM
    #10
    Clearwater Bill

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    Clearwater Bill Never answer an anonymous letter

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    Yep. Down. How much depends on a few variables you've not mentioned.

    Always best to know exactly what you are buying and why. Other than just for looks.
     
    Clearwater Bill, Dec 29, 2017
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  11. Dec 29, 2017 at 3:02 PM
    #11
    kgarrett11

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    kgarrett11 Master Yoda

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    :bananadead::bananadead: Yes, quite a bit
     
    kgarrett11, Dec 29, 2017
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  12. Dec 29, 2017 at 3:06 PM
    #12
    TegoTaco

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    TegoTaco Well-Known Member

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    Oh yeah!
     
    TegoTaco, Dec 29, 2017
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  13. Dec 29, 2017 at 3:09 PM
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    Wyckedan

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    Wyckedan Well-Known Member

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    Not much, just little stuff mostly. Running 265/75/17 Ko2s, but it was like that before those.
     
    Wyckedan, Dec 29, 2017
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  14. Dec 29, 2017 at 3:14 PM
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    Jeremy15

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    Jeremy15 [OP] Well-Known Member

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    Well 4x4 makes a big difference I guess. I plan on going up in tire size to 265 in the future but I'm trying to avoid losing my 21 mpg.
     
    Jeremy15, Dec 29, 2017
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  15. Dec 29, 2017 at 3:15 PM
    #15
    Shmellmopwho

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    Shmellmopwho Well-Known Member Vendor

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    I get 10.4 mpg according to my ultra gauge :anonymous:

    35’s
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    Bumpers, sliders, skids
    Lots of weight. But I wouldn’t trade my truck. I love it
     
    Shmellmopwho, Dec 29, 2017
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  16. Dec 29, 2017 at 3:19 PM
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    Jeremy15

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    Jeremy15 [OP] Well-Known Member

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    Which variables? I'm trying to find a combination of right size tire to match with the rims to decrease my mpg as little as possible.
     
    Jeremy15, Dec 29, 2017
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  17. Dec 29, 2017 at 3:22 PM
    #17
    geekhouse23

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    geekhouse23 The "Liftman" - @DrFunker

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    IMHO, You already bought a truck. You're fighting an uphill battle trying to mod it and keep MPG's the same or have minimal change. Either say fuck it and not worry about MPG or sell it and get something even more fuel efficient.
     
    geekhouse23, Dec 29, 2017
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  18. Dec 29, 2017 at 3:31 PM
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    Clearwater Bill

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    Clearwater Bill Never answer an anonymous letter

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    A few OE parts from fancy trucks
    Unsprung weight package of wheel/tire combo. Increased rolling resistance of tire selection. Effective gear ratio reduction by using taller tires, which makes low end performance suffer. Usually compensated by the expense of regearing or a heavier foot. Increased wind resistance of a lift on something that's already a brick.

    I'm not trying to dissuade you. Or figure out your answer for you. Just to point out it will worsen, and by how much will be impacted by several things.

    So, as @geekhouse23 says, if MPG is your big concern, either leave it alone or trade it.
     
    Clearwater Bill, Dec 29, 2017
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  19. Dec 29, 2017 at 3:35 PM
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    Shmellmopwho

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    Shmellmopwho Well-Known Member Vendor

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    I went with option number 1 haha
     
    Shmellmopwho, Dec 29, 2017
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  20. Dec 29, 2017 at 3:36 PM
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    Armed in Utah

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    Armed in Utah Well-Known Member

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    21 mpg is nice !

    I get it & like it !

    4.0L & 6 speed

    265's SL Coopers

    [​IMG]
     
    Armed in Utah, Dec 29, 2017
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