Buick Envision Forum - View Single Post - Fuel 2.0L Turbo
Thread: Fuel 2.0L Turbo
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post #4 of (permalink) Old 01-19-2019, 02:25 PM
NormT
Senior Member
 
Join Date: Jun 2017
Location: OH-IO!
Posts: 257
I found the octane matters little for mpg. The 2.0T does have more pep with higher octane.

I've been mixing E85 and 87 octane. I mix 30% E85 and 70% 87 octane for about 93-94 octane. Cold start is good so far at 25F degrees but mileage does suffer with E85.

2016 Envision Prem ll
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