What gas octane do you use in a 2019 honda civic touring 1.5 turbo?

  1. Breeze

    Breeze New Member

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    Just picked up a new civic touring with a 1.5 turbo engine, and what to fine out what octane I should be using. Would like to hear what others are using.
     
  2. flashcash

    flashcash Senior Member

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    I have an EX-L which is essentially the same engine as your, and I go with the recommended regular unleaded, 87 octane. That is the optimal. Anything above that is a waste.
     
  3. Hondaman_MI

    Hondaman_MI Senior Member

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    Use what the manual says-87 octane. That's what your car is tuned to use, anything more is wasted, with little to no benefit. If you get a KTuner you'll need to use 91+ octane, and you will get impressive results with it, notice a significant performance increase.
     
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  4. PhilF

    PhilF Senior Member

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    87 octane, Honda also reccomends a Toptier fuel. Vist the Toptier website for a list of brands that meet that standard and an explanation of what Toptier means & why. It does make a difference in DI/turbo engines.
     
  5. CivicXI

    CivicXI Senior Member

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    I feel like this should be stickied.. but 87, that's what we use for both our Civic turbos.
     
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  6. Zodd

    Zodd Senior Member

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    #6 Zodd, Mar 30, 2019
    Last edited: Mar 30, 2019
    only using europe RON 100, that is 95.5 in USA, full tank cost around 73dollars that is around 5% of average monthly wage here
     
  7. gtman

    gtman Senior Member

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    Why would you be using 95 octane on a stock Civic at $73 a tankful?
     
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  8. squshy7

    squshy7 Member

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    so my question is, why is it a different recommended fuel than the sport touring hatch? Mine recommends premium
     
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  9. CTRx

    CTRx Senior Member

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    It has a minor power bump over the normal turbo engines. Not a big performance gain but I still put 91 in my touring HB.
     
  10. TypeSiR

    TypeSiR Senior Member

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    I believe 100 Ron is the minimum they have access to in Slovenia. He has a Sport so what he’s using is not that far from our premium. And $6/gal is like normal in Europe.

    I wish we have access to higher than 91 octane here in Calif TBH.
     
  11. hfpdohc

    hfpdohc Senior Member

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    turbo cars need at least 91 to run optimal!...the engine will like you in the long run
     
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  12. mis3

    mis3 Senior Member

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    Easy choice for me.
    I drive a SI and I would put in 91 (called premium here) most times. Once in a while, I cheap out and use 87.
     
  13. civicls

    civicls Senior Member

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    Data backup please? What does a higher octane fuel do?
     
  14. Neoxon

    Neoxon Member

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    I used 91 from shell and it feel way smoother, and i get +2 mpg. Plus it is literally recommended on the gaspcap cover and manual
     
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  15. BriteBlue

    BriteBlue Senior Member

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    The regular 1.5L turbo is only 174HP and the 2018 Owners Guide states:

    Models with SPORT mode
    Use of unleaded gasoline of 91 octane or higher is recommended.
    Models without SPORT mode
    Use of unleaded gasoline of 87 octane or higher is recommended

    There is no gas cap on my 2018 since it's a capless system, and nothing that I can see around the filler mentions octane.
     
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