Flex tune MPG

[michail71]

I did a search and came up empty on this one but I'm curious about MPG differences on Flex. Most discussions seem to be on < 2018 from a couple years ago.

I have my nguage arriving this weekend with a Lund Flex/E85 setup.

I'm guessing with E85 I'll get about 30% less MPG. Typically the trip computer is 18.9 MPG (considering everyone says it's high I'll call it around 17-18 MPG.

I have a road trip coming up and I was wondering if running 93 in the Flex tune would give me the normal range.

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[Jay-rod427]

It's usually a wash E85 30% more fuel used, but depending where you are it's 30% cheaper.

 

[Nuked]

Yes running 93 will give you the "normal range".

On mine (a 2016 manual PP) I would get around 16-17mpg on 93 in town and 24-25 on the interstate. On E85 (full E85, not a blend) I would get around 10-12 mpg in town. Never did any interstate trips on E85 but some of the short interstate miles was around 19-20 from what I remember.

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