2009 Pontiac G6 What type of gas would be the best?

Tiny
DRAGONARCHER
  • MEMBER
  • 2009 PONTIAC G6
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 28,000 MILES
I'm very curious because I've been hearing many different opinions about what type of gas I should use.

I have a 2009 Pontiac G6 GT V6. Is it best to use 87 or 93 octane. Some have told me that it's probably designed to run on 87 so 93 could hurt the engine. Others swear by premium fuel no matter what. What is your opinion?

Thank you in advance.
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Sunday, December 13th, 2009 AT 6:09 PM

5 Replies

Tiny
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Refer to the owner's manual. I believe 87 is just fine but confirm that in the manual. If it says 87 or higher, 87 is fine. Keep in mind, the higher octane will run cleaner and smoother, but it isn't necessary. With today's fuel prices, it wouldn't be a hard choice for me.
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Monday, April 19th, 2010 AT 10:38 PM
Tiny
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It is designed to run on 87 and the manual states 87 or higher. After doing my own testing between gas types I am only going to use premium 93. The car seems to run better all the way around. Also, my old car was a 92' Pontiac Sunbird 2 door SE V6 3.1. When I had the engine taken apart at 90,000 Miles they replaced all the seals etc, but they told me the engine was clean enough to eat off of and that they expected me to get 200,000 miles out of the engine. I later sold it at 130,000 but never ran anything but premium and I believe that helped.
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Tuesday, April 20th, 2010 AT 11:57 AM
Tiny
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I'm sure that won't hurt anything. Good luck.
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Tuesday, April 20th, 2010 AT 1:18 PM
Tiny
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Hey thank you very much. I just wanted to make sure above all that it wouldn't hurt anything. Since I've heard so many strange opinions it was really bothering me. Friends that work on their cars all the time that say "If it says 87 or higher you will hurt your car going to 93" Yet my father who was a mechanic for some time during his career says you should use 93 if you can afford it due to the cleaner running and possible better performance.

It's honestly a load off my mind to know it's going to be fine because I really do feel that the car runs better with more response from the gas petal with premium. Thank you for your time.
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Wednesday, April 21st, 2010 AT 8:09 AM
Tiny
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  • EXPERT
I'm glad to help. Let us know if you have questions in the future.

Joe
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Wednesday, April 21st, 2010 AT 8:14 AM

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