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Been tracking my MPGs

Discussion in '3rd Gen Tundras (2014-2021)' started by kaymonster, Feb 15, 2020.

  1. Feb 15, 2020 at 3:32 PM
    #1
    kaymonster

    kaymonster [OP] 2018 Platinum

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    2018 Platinum 4x4 with a 2" level on the front and recently put on 295/70/18 Toyo AT2 extremes. I've been tracking my MPGs since I picked it up in June 2019.

    With lighter tires (and not mashing the gas pedal), I was averaging about 14 mpg. Too soon to tell for sure, but looks like I will am losing about .5 mpg with the heavier tires.

    20200215145524.jpg IMG_20200131_130227.jpg
     
    Ostrich and D4x4TRD like this.
  2. Feb 15, 2020 at 4:56 PM
    #2
    Stig

    Stig New Member

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    This makes sense as I have heard talk about heavier tires contributing to reduced mpg.
     
  3. Feb 15, 2020 at 5:04 PM
    #3
    Squeaky

    Squeaky New Member

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    Interesting. I would have guessed more of a drop with 295’s. Any idea the weight of the toyo’s?
     
  4. Feb 15, 2020 at 5:18 PM
    #4
    CaptainCobb

    CaptainCobb New Member

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    That’s a pretty similar setup to mine, I’m averaging around 13.9mpg mixed highway and mountains. Same size tires, but Cooper XLT’s
     
  5. Feb 15, 2020 at 5:23 PM
    #5
    JLS in WA

    JLS in WA New Member

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    Somewhere in the basalt rocks with my dog
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    Did you verify your odometer reading with the bigger tires?
     
  6. Feb 15, 2020 at 5:37 PM
    #6
    CaptainCobb

    CaptainCobb New Member

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    According to the radar signs, my truck reads closer to actual MPH with 295/70s than it did when it was stock. Speedo reads around 1MPH under radar signs now, at 65. Used to read 2-3 over at 65 when it was stock.
     
  7. Feb 15, 2020 at 6:24 PM
    #7
    JLS in WA

    JLS in WA New Member

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    I wouldn’t base accuracy on radar signs. You don’t really care what the Speedo says, because it might be off. Check the odometer on a long trip. Use that corrected mileage to track your fuel economy.
     
    Last edited: Feb 15, 2020
  8. Feb 15, 2020 at 7:06 PM
    #8
    Theonlyway

    Theonlyway I am all that is man

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    I average 12.2 with stock sized ko2s, no lift lol
     
  9. Feb 15, 2020 at 7:12 PM
    #9
    Sparkyman13

    Sparkyman13 Sparkyman13

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    Bilstein 5100's, CB 1" Rear, Diode Dynamics SS3 Fog Lights, Goodyear Duratrac 305/55R20
    I average around 13 also with Duratracs 305 55R20's
     
  10. Feb 15, 2020 at 7:18 PM
    #10
    ZPMAN

    ZPMAN 2nd place is the 1st looser

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    After installing 4.88s I had to reset my Hypertech and used Google maps on my phone along with Ulysse Speedometer pro on the Phoenix android HU.
     
  11. Feb 15, 2020 at 10:19 PM
    #11
    kaymonster

    kaymonster [OP] 2018 Platinum

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    The AT2s are around 64lbs I believe. Haven't done anything with my odo.
     
  12. Feb 16, 2020 at 1:12 AM
    #12
    Johnsonman

    Johnsonman New Member

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    LED headlamps/fogs; interior footlamps.
    generally each major enhancement like larger more aggressive tires, body lift, suspension lift, larger overhead rack, ect detracts .5-1 mpg. It does add up or down however you see it....
     
    1engineer likes this.
  13. Feb 16, 2020 at 3:37 AM
    #13
    Finch

    Finch New Member

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    Interesting data. I track mine as well and here is a summary from my Fill Up app. I've owned the truck a year now. These numbers are stock suspension and stock 275/65/18 Michelin tires. The 17.62 mpg figure is from driving from VA to CO for an elk hunt this past Sept.

    This will probably change since I'm about to level the truck and go up a size in tires (275/70/18). I don't see it being a big change though.

    I'll also mention that the MPG calculator on our trucks is pretty accurate. My wife's Santa Fe is off a few MPG's.

    Screenshot_20200216-063119_FillUp.jpg
     
    Last edited: Feb 16, 2020
    RockyMtnTundra and usmchawk like this.
  14. Feb 16, 2020 at 5:48 AM
    #14
    codename607

    codename607 New Member

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    The weight will always affect MPGs. Even more so when you do more city driving. Once you get going you should notice that average MPGs are the same. I carry a Four Wheel Camper on my truck full time now and with a 3inch lift and 295 toyos I get 11-12mpgs. My camper is around 1100lbs.

    One thing that I have noticed is the brand of fuel I use. I normally fuel up at Shell gas stations and have better luck compared to non brand name places.
     
    Luckydog and Finch like this.
  15. Feb 16, 2020 at 5:58 AM
    #15
    300BLK

    300BLK New Member

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    I’ve been averaging about 17.5 mpg with stock wheels and tires. Curious how much it’ll drop once I upgrade to 275/70/18 Falken Wildpeaks. I find the biggest difference in MPG comes from driving style. I’m extremely light on the gas.
     
    Finch likes this.
  16. Feb 16, 2020 at 6:01 AM
    #16
    DuttonCD

    DuttonCD New Member

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    None yet, looking to see what’s in store.
    What app is this?
     
  17. Feb 16, 2020 at 6:47 AM
    #17
    Finch

    Finch New Member

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    Fill Up. Im sure there are better ones but I've been using this one for years now.

    Screenshot_20200216-094352_Google Play Store.jpg
     
  18. Feb 17, 2020 at 6:00 AM
    #18
    gupster88

    gupster88 New Member

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    Nice spreadsheet. Are you recalculating your distance driven with the larger tires before doing your MPG numbers?
     
  19. Feb 17, 2020 at 7:32 AM
    #19
    ZPMAN

    ZPMAN 2nd place is the 1st looser

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  20. Feb 17, 2020 at 11:35 AM
    #20
    kaymonster

    kaymonster [OP] 2018 Platinum

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    Thanks. No, but that's a good idea.
     
  21. Feb 18, 2020 at 12:55 PM
    #21
    nodak67

    nodak67 New Member

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    using a-car (fuelly) app.

    i gave up trying to track this stuff in excel like the old days :)

    Screenshot_20200218-133808.jpg
     
    Navi likes this.
  22. Feb 18, 2020 at 2:15 PM
    #22
    nodak67

    nodak67 New Member

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    also wanted to add these screenshots to show more of the app...

    Screenshot_20200218-145641.jpg
    Screenshot_20200218-145652.jpg
     
  23. Feb 21, 2020 at 10:54 AM
    #23
    dannysmith604

    dannysmith604 New Member

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    DIY Wireless charger...... Blue tow hooks 13 inch radio antenna TRD Pro grill Dirty Deeds BAMuffler 8" SS Blacked out tailpipe Lightbar, rear sway bar maybe headers are next......... Summer tires on stock rims. Winters are black rims ('09) w blue accents wrapped with Wrangler Duratracs
    Damn, I'm jealous of 17 mpg.............

    I'm a city driver with a heavy foot averaging 11 mpg :(
     

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