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I’ve been doing 87. I know, I know, people say anything with a turbo should use the good stuff but both the regular manual and the hybrid supplemental manual say 87.
 

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For those people running mostly electric, I have to imagine that anything that can avoid ethanol in your gas will significantly help avoid water in your gas.
 

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2021 Rubicon 4xe
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Does anyone know if the difference in fuel economy is worth the difference in cost?
There is no possible way it could be worth it. The 91 octane is almost $1 more per gallon. The way my Jeep doesn’t use gas is the reason I want 91 sitting in the tank. I really like Sea Foam additive for ethanol in fuel and preventing water in the gas.
 

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2021 Jeep Wrangler 4xe High Altitude
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For those people running mostly electric, I have to imagine that anything that can avoid ethanol in your gas will significantly help avoid water in your gas.
Unless I have no choice, I will exclusively use non-ethanol. Primarily due to the fact that I'm not using fuel that often.
 

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87 regular , but euro turbos like high octane..for the autobahn..no use here in usa. btw..ethanol is high octane but less efficant. and eco and savings is low.

as a chem in train i was at a petrol farm "oil raffinerie" for view days. all the petrol trucks got the same stuff filled up , the truck drivers just added the brand additives, red, blue, green, yellow...lol. thats it.
well why not belive in magic.
 

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For those people running mostly electric, I have to imagine that anything that can avoid ethanol in your gas will significantly help avoid water in your gas.
Then it might be worth a tank when we're in town and running mostly electric. But it seems regular is fine for the road.
 

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I don't even remember the last time I filled up, lol. So Canada says 91 now? That's the first I've seen anything other than 87 listed. For long road trips I may use 93/94 then as the cost/MPG gains are usually a wash.

As for Ethanol, we have the pressurized tank and the fuel refresh mode if water is detected. I ran ethanol in my Mustang but it was hard to find high content E85. Nothing like the smell of ethanol in the morning.
 
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