Premium Gas for 3rd gen

Discussion in '2016 + Toyota Tacoma' started by Taco Slinger 4000, Apr 9, 2018.

  1. OkieCowboy

    OkieCowboy Well-Known Member

    We have made countless trips from Oklahoma City to Denver for a number of years in more vehicles than I care to admit I’ve owned. We leave OKC with 87 octane and Denver with 85 octane. And we almost always get better mileage returning to Oklahoma City. I’ve used 89 octane in the Taco a couple of times while towing with no noticeable difference. Pure gas might increase the mpg less than one mpg.

    A year ago several tanker trucks were mistakenly loaded at the OKC terminal with E85 ethanol and distributed to a number of local stations. The wife pulled the Honda CRV into the station with the low fuel light on and filled the tank with the E85 before the stations were notified. I noticed the mileage had decreased for the first half of the tank. I kept it full of 91 octane pure gas for a couple of weeks.
    B-Man likes this.
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  3. timv

    timv Member

    My first couple tanks were 89 got 20+ mpg 4 banger now it gets 87 and getting 22+ mpg
    2016 access cab auto trans no frills
    OR17TRD, B-Man and lcarrasco212 like this.
  4. TucsonSteve

    TucsonSteve Well-Known Member

    do you think the altitude changes have any affect on MPG? OKC to Denver being uphill and Denver to OKC being downhill?
  5. Bogunn

    Bogunn Well-Known Member

    Yeah. Less mpg under more engine exertion.
    lcarrasco212 likes this.
  6. lcarrasco212

    lcarrasco212 Well-Known Member

    I run 87 now too! 30 cent difference here, had to make adjustments... Real talk, it really does get better mpg with 87 vs 89! Crazy
  7. OR17TRD

    OR17TRD Well-Known Member

    It’s tuned for 87.
    Bogunn and lcarrasco212 like this.
  8. lcarrasco212

    lcarrasco212 Well-Known Member

  9. lcarrasco212

    lcarrasco212 Well-Known Member

    Thats next to HEB so price is low. Everwhere else around here is 3.15 for regular

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