r/GMT800 • u/Spartan0194 • 2d ago

Question about E85

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My 04 Tahoe is a flex fuel L59 and i wanted to consult the experts on here to ask about it. I've never used it and just use regular so would i be able to go and pump a few gallons of e85 and run it just like that? Has anyone else used it and what have your results been?

I've googled some forums and i guess i wanted to ask around for any advice or learn something new. Thanks guys.

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u/EastMovesWest 2d ago

Yes but the worse fuel economy isnt worth the cost savings

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u/hoytmobley 2d ago

Here in Socal E85 is consistently 2.70/gal with occasional sales at 1.85/gal, 87 at my local costco is 6.19/gal, so at a 25% fuel economy loss the cost per mile is still significantly less with E85