90 octane
Thread Starter
AudiWorld Junior Member
Joined: Dec 2012
Posts: 41
Likes: 7
From: Western New York
90 octane
In the western New York area one of the gas stations that used 91 octane with no ethanol has changed to 90 with no ethanol. Any one else come across this and have you used it?
Thanks for any input.
Thanks for any input.
AudiWorld Senior Member
Joined: Dec 2018
Posts: 783
Likes: 134
Just about every station in my area has the 10% stuff. I know that Audi recommends 91 but 89 is running fine. I am probably down a touch in horsepower but the engine still has more than enough for my daily commute. I did notice a slight increase in fuel economy when running 91 octane but its not that much to be honest.
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