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22 Taos SE, 92 GTI VR6, 91 GLI 16v, 84 GTI aba
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Check your owners manual or open the gas door. Also, I know VW recommends Tier 1 gasoline. May want to look in to that more online to find Tier 1 stations near you.
 

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all gas comes from the same pipeline and it only differs by the quality of the additives and storage tanks at the station. The engine cycle in this car is designed to run lower octane (more flammable gas) so it doesn't have higher octane requirements like some other german cars.
 

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Not all gas is the same, but because the government mandates additives and detergents they are al of general good quality.
VW rates the HP of their engines with 91 but economy is certified with 87.

I put in 89 in my Jetta and Tiguan most of the time.
 

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Gas is all the same CorradoG60, there is only 1 gas pipeline that delivers fuel to the pickup depots the tanker trucks fill up at where they have local tanks of additives for each brand. The different grades of fuel are all sent via the same pipeline, I won't get into how that works. All the refineries meet the same standards for the fuel grades they put into the pipeline, the fuel is all generic unbranded at that point. Interestingly, you are able to put a barrel of 87 unleaded in the pipeline and take delivery the same day in Iowa of a barrel of 87 unleaded. Clearly that isn't possible to get the same barrel that was put in. The industry considers it a fungible product.

I should have shared that we use 85 in ours but that is the same fuel as 87 at lower elevations.
 

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Gas is all the same CorradoG60, there is only 1 gas pipeline that delivers fuel to the pickup depots the tanker trucks fill up at where they have local tanks of additives for each brand. The different grades of fuel are all sent via the same pipeline, I won't get into how that works. All the refineries meet the same standards for the fuel grades they put into the pipeline, the fuel is all generic unbranded at that point. Interestingly, you are able to put a barrel of 87 unleaded in the pipeline and take delivery the same day in Iowa of a barrel of 87 unleaded. Clearly that isn't possible to get the same barrel that was put in. The industry considers it a fungible product.

I should have shared that we use 85 in ours but that is the same fuel as 87 at lower elevations.
It is not “all the same” in every state. Sorry to break it to you. The east coast may have central pipelines for multiple states but it’s not true in the west.

Diesel is even less “all the same.” It was only after Shell diesel caused $10k in warranty damage to my Toureg that I read about the lower quality of Shell diesel causing issues with the Bosch fuel system components.
 

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Lucky you!
Not a single Ethanol free station anywhere within a reasonable drive from us :( Hate using Ethanol, if you use 10% ethanol you get 10% worse mpg, what a scam!!!
You probably get closer to ~3% worse mpg - the ethanol has about 30% less energy by volume than gas. But I hate it too. The ethanol free is much better for lawn mowers etc. too.
The gas station is a Phillips 66. They also have ethanol free premium for the GTI, and it's 5 minutes from the house, right beside my local grocery store. There's another station in town that sells it too.
The joys of a small town!
 

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2022 Taos SE FWD Platinum Gray
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You probably get closer to ~3% worse mpg - the ethanol has about 30% less energy by volume than gas. But I hate it too. The ethanol free is much better for lawn mowers etc. too.
The gas station is a Phillips 66. They also have ethanol free premium for the GTI, and it's 5 minutes from the house, right beside my local grocery store. There's another station in town that sells it too.
The joys of a small town!
Maybe w/ the Taos, but not our Infiniti G, I get 27mpg w/ the crap gas, and 30 w/ Ethanol free.
 
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