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Premium with up to 10% ethanol

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Premium with up to 10% ethanol

  #1  
Old 06-19-2013, 02:40 PM
NickConlon's Avatar
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Location: Madison, WI
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Default Premium with up to 10% ethanol

So here is the question. Where I am at I can get premium, or premium with " up to 10% ethanol". Now clearly I would love the straight premium, however it is .35-.40cents more expensive. Mainly because pdq is always the cheapest gas around the city. Will running the ethanol gas be harmful for my 04 a8l? Is there a big enough impact in mpg that will negate the difference in price per gallon?
 
  #2  
Old 06-19-2013, 05:29 PM
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Your 04 will run fine on either. It will get about 10 to 15% better mpg on fuel without 10% ethanol.
 
  #3  
Old 06-19-2013, 10:28 PM
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Location: NC USA
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Seems to be a wash on the difference in price compared to MPGs.
I always run pure gas if I can get it.

On a trip recently they may have had that 15% garbage [not properly labelled] at a station because my mileage tanked badly....

As feirstein said it will run fine, but the fuel won't last more than 30 days without separating.
Keep it fresh with small fill-ups if you don't put a lot of miles on in a month.
 
  #4  
Old 06-20-2013, 07:35 AM
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Well i fill up weekly, so i guess ill give the ethanol a shot. And if it last almost as long as the pure stuff then i great. If not then i guess i got some math to do!
 
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