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Tires for MPG?

Discussion in '3rd Gen. Tacomas (2016+)' started by MakeItWork, Mar 11, 2018.

  1. Mar 11, 2018 at 3:43 PM
    #1
    MakeItWork

    MakeItWork [OP] Well-Known Member

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    Question for you guys. I know we didn’t buy these trucks for their fuel economy, so there might not be a lot of data out there, but I wanted to know if anyone has got some personal real-world numbers for tires that have improved fuel economy, either through weight or tread or both. I log 99.999% of my miles on pavement, and my Thought was to get a cheap set of wheels, Mount my stock tires on them for dirt days, then put some easy-rollers on the stock rims for daily drivers.

    I suspect this is foolish, but I wanted to play it out with some data. So, can anyone give me their mileage changes on Prius tires?

    Oh, and I’ve noticed that all of our base mileage’s vary wildly, so I’d really be interested in the change, and not just your ‘after’ number.

    Thsnks!
     
  2. Mar 11, 2018 at 4:02 PM
    #2
    Woodrow F Call

    Woodrow F Call Kindling crackles and the smoke curls up...

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    How you drive the truck is very important to MPGs.

    I don't know of anyone changing tires for MPGs.

    Buy the thinnest with lightest weight.
     
  3. Mar 11, 2018 at 4:03 PM
    #3
    phsycle

    phsycle Well-Known Member

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    For ultimate MPG, I’d get something like a Michelin LTX MS in P-rating in size 245/75/16. Keeps the stock sizing and weight is lower at 34lbs. That would be my set up, anyway.

    By the way, I did not select 245’s because of any Aero advantages. I’ve played around with width in the past and I found no significant difference between narrow and wide as some claim. The size selection was all based on weight.

    https://m.tirerack.com/tires/Spec.jsp?tireMake=Michelin&tireModel=Defender+LTX+M/S&partnum=475TR6DLTX
     
    MakeItWork [OP], GR8APE and Danno1985 like this.
  4. Mar 11, 2018 at 5:11 PM
    #4
    EdgeCrusher

    EdgeCrusher Well-Known Member

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    Stock tires. If it got more mpgs using other tires they would have used them for the epa tests.
     
  5. Mar 11, 2018 at 5:12 PM
    #5
    Vbpiper

    Vbpiper Well-Known Member

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    I just had these very tires installed yesterday to replace my worn-out Firestone Destination LEs at just under 31,000 miles. I guess we'll see now they do, but I have used almost exclusively Michelin for 20+ years, so I am optimistic.
     
  6. Mar 11, 2018 at 6:11 PM
    #6
    pjensen641

    pjensen641 Well-Known Member

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    Is be curious to see real results with the Mich LTX as well. They are the only tire that I have found that has an LRR rating. At the same time, people are reporting that the Kumho Crugen is just as good for less than half the price. Doubtful you would save enough more mpg with the Michelin to justify it over the Kumhos.

    But yeah, all other things equal, a narrow and light P rated tire is going to be best.
     
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  7. Mar 11, 2018 at 7:03 PM
    #7
    Vbpiper

    Vbpiper Well-Known Member

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    I had never even considered the Kumhos, but after reading reviews, they look like a good option. Even if they only get about 70% of the treadwear of the Michelins, they would be a good deal (after factoring in installation costs). And it sounds as though they should last at least that long.
     
    MakeItWork [OP] likes this.
  8. Mar 11, 2018 at 7:07 PM
    #8
    Clearwater Bill

    Clearwater Bill Retire from work, but not from life.

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    A few OE parts from fancy trucks
    Mich Defenders, same rolling dia as stock (so size adjust accordingly for any wheel changes)

    Reduce unsprung weight, rolling resistance, protect the OE final gear ratio and keep tires properly inflated.

    Then install a vacuum gauge and learn how to drive using it as a guide.
     
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  9. Jun 9, 2018 at 7:33 AM
    #9
    snudley

    snudley Well-Known Member

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    Switched from the stock Goodyears to Michelin X LT A/S's and am thrilled with the handling and mpg boost. I was averaging about 19 around town and now get over 21. Just came off a highway road trip at 75-80 mph with A/C and pulled down 24.5.

    20180608_162933.jpg
     
  10. Jun 9, 2018 at 9:12 AM
    #10
    greengs

    greengs Well-Known Member

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    I run 6-8 psi over stock recommendation in the summer time. Rolls a lot better on pavement.
     
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  11. Jun 9, 2018 at 9:21 AM
    #11
    Mnmlod

    Mnmlod Newb

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    Ha! I thought the stock tires were easy rollers. I think it has a ton to do with how you drive.
     
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  12. Jun 9, 2018 at 9:29 AM
    #12
    ArmandHammer83

    ArmandHammer83 This truck is AMAZING

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    find a good looking lighter wheel combined with a Michelin Defender tire....MPG's increase with less weight and a lighter foot...literally have to drive like have no where to be...i remember my grandfather told me once that if you drive 55mph the entire trip "not intersate" ( backroads or not busy roads) you'll arrive 7 minutes after the guy driving 65 and burn less gas than he did..not sure if its true i still drive like an asshole...good luck OP and let us know what you come up with
     
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  13. Jun 9, 2018 at 9:30 AM
    #13
    Drunken Chewbacca

    Drunken Chewbacca Well-Known Member

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  14. Jun 9, 2018 at 4:48 PM
    #14
    MakeItWork

    MakeItWork [OP] Well-Known Member

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    First off, thanks to everyone for their replies, and especially for the thread resurrection. I’ll keep digging.

    Not to hijack my own thread but.. It’s funny, all this talk about light footedness. In no way do I disagree with the simple physics of ‘less throttle opening = less fuel use per minute = less fuel use overall’, but in my experience with this truck and it’s wonderful ‘learning’ transmission, I don’t think it’s that straightforward.

    I don’t have a vacuum gauge, but I do run with that little instant economy bar on display, and I’ve tried using it as a reminder to barely touch the gas (it honestly seems to just be a reverse throttle position sensor), and it helps, but I also find that my best trip mileages come on trips where I just relax and don’t think about it, which in my case absolutely means harder accelerations and slightly higher top speeds.

    Then again, I never (ever) clear 21mpg on a trip. Typical good mileage for me is 18. You 24mpg guys are practicing witchcraft
     
  15. Jun 9, 2018 at 4:49 PM
    #15
    Bishop84

    Bishop84 Well-Known Member

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    Buy a chin spoiler from a non-OR model and install it.

    Remove side mirrors.

    Tape off radiator like a NASCAR qualifying lap.
     
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  16. Jun 9, 2018 at 4:51 PM
    #16
    MakeItWork

    MakeItWork [OP] Well-Known Member

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    I actually went looking for a chin spoiler in the NorCal forum, had no takers.
     
  17. Jun 9, 2018 at 5:11 PM
    #17
    Clearwater Bill

    Clearwater Bill Retire from work, but not from life.

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  18. Jun 9, 2018 at 5:27 PM
    #18
    e6400ultra

    e6400ultra Trigger Warning

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    I have one available in NorCal, with about 500 miles on it. Santa Rosa.
     
    Last edited: Jun 9, 2018
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  19. Jun 9, 2018 at 5:50 PM
    #19
    NOLAMedic

    NOLAMedic Well-Known Member

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    NOT 255/85/16 33 inch tires. DO NOT GO WITH THE COOPER DISCOVERER ST'S!!!

    Sorry. Couldn't resist. Carry on.
     
  20. Jun 9, 2018 at 6:09 PM
    #20
    YOTA 4X4

    YOTA 4X4 Well-Known Member

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    OP as you mentioned this is kind of a silly thread since there are about 100 better choices of vehicle IF gas mileage is something important to you. That said let’s do some quick math for you to put this in perspective of the almighty dollar.

    If you drive you truck 12,000 miles a year and get 19.5 MPG you will use about 632 Gallons of gas in 1 year.

    Now if you somehow buy magic Prius tires for your Taco and bump that up to 20.5 MPG (1 MPG increase) you will use 585 gallons of gas.

    That’s a difference of 47 gallons IF you could get a 1 MPG increase. Average cost of gas is say $2.79/ Gallon or 131 dollars a year savings.

    I’d estimate the minimum cost of a set of tires would be $600, and say $400 for Rims (Though lighter will cost MORE) that’s a cost of $1000 for new Prius tires and Rims. PLUS mounting and balancing tax, and new TPMS sensors and programming otherwise you’ll have to switch TPMS every time..... and if you’re going for mileage you will want TPMS... they’re like $100/EACH.

    Let’s just call it $1500 for a new wheel set up.

    $1500/ $131 = 11.5 year pay back, maybe you could double you MPG reduction.... 5+ year payback, in which time you’ll certainly need new tires again...

    Get the idea?

    If you’re doing it to try and save money, bolt on a silly sport fairing as mentioned. If you’re doing it to be Green and help the planet, than I commend you, that’s a good thing... just make sure you really figure out the dollars and cents before you do something for the wrong reason.

    -YOTA
     
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