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What’s your 2.7’s MPGs?

Discussion in '3rd Gen. Tacomas (2016+)' started by trdxtacoma, Jul 28, 2021.

  1. Jul 28, 2021 at 8:23 PM
    #1
    trdxtacoma

    trdxtacoma [OP] Well-Known Member

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    I was on the border about trading my 18 SR 2.7 4x4 6AT for a new Silverado 1500 duramax. But nearly impossible to find the configuration I want right now.

    I have never seen more than 18.5 mpg. I have hand calculated multiple times and have consistently seen around 16.9 mpg. My driving consists of 85% city and 15% short drives on the interstate. Even on my interstate travels I see no more than 20 mpg on a good day. And this is all with a light foot.

    I see all these people posting about their 2.7s getting 22-23 mpg...HOW???

    I saw 1mpg bump up when I turned off the blower motor. I just hand calculated my last tank and the average was 16.9. And it’s balls hot out. I see 14 mpg in the winter.

    Is it worth pulling the plugs to see if it’s gummed up?

    Truck is all stock on OEM 245/75/16 hankook HTs. Only accessory is a back rack, trailer hitch, and mud flaps...
     
  2. Jul 28, 2021 at 8:31 PM
    #2
    SandyTaco4x4

    SandyTaco4x4 Well-Known By Your Hoe Mom

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    I have the V6 but have a similar experience. I use my truck for work as a pool service tech so 500-1000 pounds of tools , chems and equipment on the truck and 75%+ at less than 25mph with constant acceleration/deceleration to and from stop signs in residential neighborhoods. Right now with the summer heat and me idling the truck for the AC while I eat my lunch I'm averaging like 14 - 15.5 mpg.
    Shoots up to low - mid 20s on the highway though even with it loaded.
    Bone stock on highway tires.

    I think the people on here who say they get crazy mileage just do only highway with just themselves in the truck and must be without AC / using all the hipermiling tips they can.
     
    GillyLink, Junkhead and Steves104x4 like this.
  3. Jul 28, 2021 at 8:37 PM
    #3
    Steves104x4

    Steves104x4 Well-Known Member

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    BUCKLE UP! It makes it harder for Aliens to pull you out of your Truck.
    52 mph seems to be the sweet spot for mileage. Use synthetic diff fluid. Wax the body and rain x the windshield seems to work for me. Edit: clean the maf sensor, too
     
  4. Jul 28, 2021 at 8:51 PM
    #4
    Steve Urquell

    Steve Urquell No Pants

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    My 2017 2.7/5MT 4X4 gets driven on 3 miles of dirt and curvy winding roads at 35-70mph on my 32 mile round trip commute and gets 21.7-22mpg consistently. I drive aggressively, rev it up and speed like hell. I have babied it before and gotten 24mpg. 245/75-16 Firestones/Hankooks/Toyos.

    Regular spirited driving 21.8mpg
    [​IMG]
    [​IMG]

    This is where I babied it and got 450miles out of a tankfull/24mpg
    [​IMG]
     
    Last edited: Jul 28, 2021
  5. Jul 28, 2021 at 8:55 PM
    #5
    tarbal255

    tarbal255 Well-Known Member

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    Wow that's crazy low like me being dumb and redlining with ECT on... Do you only do short trips where the truck never warms up? I noticed my mpg is horrible when the engine is cold. With 245s I used to get around 24mpg with 75% local driving, could get almost 28 if it was highway only, doing 70ish.

    Other than that mine is a 19 same config had the same firestones too so I don't get why you don't see easily 21+ mpg even with 75% local.

    Only tips I have are try to smooth out your driving and if you can coast a bit do it as the engine uses no fuel when you are coasting in gear. It's a torquey engine so let the low end grunt get you off the line as honestly I never felt the middle or top end really do much other than burn fuel and make noise.

    even local driving you can pulse and glide kind of like you do on a bicycle peddle hard and coast for a second. Swap between the two so you still maintain a pretty even speed.

    Any chance you have a stuck brake pad or e-brake? Maybe one of the pads is dragging... I mean you are easily in the V6 mpg territory so something isn't right. Check if any one pad is wearing more than the others or just spin the tires with it jacked up and see if any are hard to turn.

    Maybe it's stuck in 4x4 mode?

    I have a weird additive you might try if it is the engine causing the poor fuel economy. It's called Rewitec and it's had some testing to show it reduces friction on cylinder walls. I got a bottle to try on my Volvo but haven't had time to do it yet.

    https://us.amazon.com/REWITEC-PowerShot-1112-Coating-Concentrate-Combustion/dp/B008GSLUJ8
     
    Last edited: Jul 28, 2021
  6. Jul 28, 2021 at 9:06 PM
    #6
    Junkhead

    Junkhead TRDude

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    I can get 24 on the highway going no more than 65-70 with my v6.:oops:


    265/70/17 c load tires.
     
  7. Jul 28, 2021 at 9:10 PM
    #7
    Tacomike18

    Tacomike18 Well-Known Member

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    17 mpg5DABFD7F-4679-4C50-BA28-AF08987041C3.jpg
    Trd or suspension, upsized tires, obvious add one, trd skid plate, and more.
     
  8. Jul 28, 2021 at 9:15 PM
    #8
    tarbal255

    tarbal255 Well-Known Member

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  9. Jul 28, 2021 at 9:17 PM
    #9
    taco1954

    taco1954 Member

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    For what it is worth, my 2017 2.7 Tacoma got close to 30 mpg. That was with predominately freeway driving, about 65 (which is slow in SC). With my 2019 v6, I got about 26 when I drove the same loop, mainly highway. Now that I work locally, the V6 has dropped back to about 23-24 mpg. I do use ECT occasionally.
     
  10. Jul 28, 2021 at 9:23 PM
    #10
    TACOROSSO

    TACOROSSO Well-Known Member

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    i'm 23mpg. averaged over 70k miles and 5 years. but i drive efficiently and that's mostly highway miles. been getting low 20s lately with more city driving... ymmv.
     
  11. Jul 29, 2021 at 5:00 AM
    #11
    Riotfunk

    Riotfunk Well-Known Member

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    City driving isn’t your best friend with these trucks. But that seems low for the 2.7 considering I’m in a v6 with e rated 33 armor lift etc and get 16/17 city and 20hwy. Your engine air filter clogged up? Check the spark plugs? Fill up at a different stations. Check these for now. Quick and easy
     
  12. Jul 29, 2021 at 5:10 AM
    #12
    9th

    9th are those biscuits I smell?

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    I get 20 mpg with my IL4

    Lead foot and all.
     
  13. Jul 29, 2021 at 5:14 AM
    #13
    zoo truck

    zoo truck Well-Known Member

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    I've had 4 banger toyota 4x4 pickups back in the day, and this is my first tacoma with the v6. I swear the v6 i have today gets better fuel economy, and way more power than any of those 4 bangers back in the 70' and 80's.
     
  14. Jul 29, 2021 at 6:18 AM
    #14
    TonyG2

    TonyG2 Active Member

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    I regularly get between 23mpg and 24mpg driving around town and rarely getting on the highway. I pulled my boat yesterday and the truck claimed it was getting 17.5mpg. Boat weighs about 2000lbs.20200727_110427.jpg I use BP mid grade ethanol free gas. I also use ECT most of the time. I have a pretty light foot just because I am usually in no hurry to get anywhere
     
    zoo truck likes this.
  15. Jul 29, 2021 at 6:26 AM
    #15
    ROAD DOG

    ROAD DOG Well-Known Member

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    ROAD DOG

    recent trip chester va to charlotte nc ( uni area )

    1st hi-way leg 26mpg under foot no 5th gear cruise ( no 6 gear )

    did not clock suburban miles .........

    2nd leg hi-way miles return 24mpg ( included min suburban miles )

    5th gear cruise some upshifting (6 gear never used )

    625 miles 26 gallons used =24mpg stock 27k miles NO modz
     
    davidstacoma likes this.
  16. Jul 29, 2021 at 7:03 AM
    #16
    Junkhead

    Junkhead TRDude

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  17. Jul 29, 2021 at 7:29 AM
    #17
    mschein1

    mschein1 Well-Known Member

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    As stated, the big MPG guys you see have to be driving either highway or extremely flat roads without much traffic lights. I work downtown so no chance I will ever get better than 17-18. However I went 50 miles one way on the highway, loaded with my dad and my 2 kids, driving 60mph with cruise and A/C on and averaged 21mpg. My morning commute I can generally average 21-22 because there is no traffic and I hit the lights just right. However on my way home, the increase in traffic and not hitting lights, I get 16 sometimes worse.
     
  18. Jul 29, 2021 at 7:47 AM
    #18
    aviracer2

    aviracer2 Member

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    14.5 mpg towing about 3K
    23-25 mpg normal city/highway. I have a light foot and traffic here is "easy going".

     
  19. Jul 29, 2021 at 8:01 AM
    #19
    cryptolyme

    cryptolyme Well-Known Member

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    i get about 23-24 mpg with my 2.7 2wd long bed
     
  20. Jul 29, 2021 at 8:08 AM
    #20
    zoo truck

    zoo truck Well-Known Member

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    Got nearly the identical type boat and E-Z loader trailer with a 40 hp yamaha outboard. It to weights a bit over 2k lbs. Been towing a couple time this season to area lakes getting right on 19 mpg with my 2020 ac v6 auto tacoma.
     

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