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Thread: Premium Gas?

  1. 10-21-2018 02:09 PM #1
    Mikeythekat
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    Premium Gas?

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    I just got my first Audi. I got a 2011 A6 with the supercharged 3.0 V6 with 87,000 miles and I love the car so far. I haven't had to fill the tank yet but I'm curious if preimum 91 octane unleaded gas is necessary? Will regualr 87 octane unleaded work the same or can the lower octane cause some damage?

    Thanks
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  2. 10-21-2018 02:17 PM #2
    dluxxx
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    Quote Originally Posted by Mikeythekat View Post
    I just got my first Audi. I got a 2011 A6 with the supercharged 3.0 V6 with 87,000 miles and I love the car so far. I haven't had to fill the tank yet but I'm curious if preimum 91 octane unleaded gas is necessary? Will regualr 87 octane unleaded work the same or can the lower octane cause some damage?

    Thanks
    It is written in the manual and the gas door, 91 is the minimum octane you could put in this car. Anything less and the car will not run at its optimum level. Always go with the manufactured recommended fluids.
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  3. 10-21-2018 03:42 PM #3
    SinCityA6
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    Quote Originally Posted by dluxxx View Post
    It is written in the manual and the gas door, 91 is the minimum octane you could put in this car. Anything less and the car will not run at its optimum level. Always go with the manufactured recommended fluids.
    Amen brotha!!


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  4. 10-21-2018 04:41 PM #4
    Kevin1
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    Quote Originally Posted by dluxxx View Post
    It is written in the manual and the gas door, 91 is the minimum octane you could put in this car. Anything less and the car will not run at its optimum level. Always go with the manufactured recommended fluids.
    Plus 1
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  5. 10-21-2018 09:53 PM #5
    NickLim
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    Always use the highest you can get
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  6. 10-24-2018 08:04 AM #6
    a1dan_87
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    Quote Originally Posted by dluxxx View Post
    It is written in the manual and the gas door, 91 is the minimum octane you could put in this car. Anything less and the car will not run at its optimum level. Always go with the manufactured recommended fluids.
    Agreed. I've been told all my life that Lower octane in high performance high temperature engines can pre-detonate and cause knock issues. Not sure how accurate that is though.

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  7. 10-24-2018 11:15 AM #7
    Robokam
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    IMG_6391.JPG 100 octane!


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  8. 10-27-2018 06:28 PM #8
    JohnnyTooBad
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    The engine is tuned for 91 octane. 93 is also fine, but don't waste money on 95. And for God's sake, don't use anything less than 91. My wife accidentally put regular gas in my old B7 A4, and it killed the power and gas mileage. ended up spending more money due to poor mileage than the cost of the premium. And like others have said, it's bad for your engine. If you have a Costoc nearby, get your gas there. I'm also in VA and the price of premium gas is the same at Costco as regular unleaded anywhere else. So that alone will pay for the membership.
    (DEAD) 2006 B7 A4 Avant 2.0T. Blue/Tan, Auto. 100% Stock, except for some window tint
    Replaced with a unicorn.... 2011 A6 Avant 3.0T, also Blue/Tan. Premium Plus, S-Line, Cold Weather Package.
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