According to AAA’s national average gas prices, as of Sept. 11, 2025, the difference between regular and premium gas was about 85 cents. Owners who pay for premium gas when they don’t need it can hurt their budget needlessly.
My 2005 F-150 only has about 199,000 regular-fueled miles on it . Old Blue would probably choke to death if I ever put anything but regular in it. Is there a grade below regular? The label does imply there might be. Juss' sayin'...
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Agree about the premium gas, but I had two respected small engine guys strongly recommend premium gas for small engines. Chain saws, lawn mowers, roto tillers, etc. So I have been buying premium, ie no alcohol, for those things. One station I go to has Premium and Non-Oxygenated, which I thought was the same thing. But the non-oxy is about 25 cents per gallon more than the premium. Beats me. Navyvet
ReplyDeleteNon oxygenated is pure gasoline, no additives. Like the old leaded gas of the 70's only without the lead.
DeleteNo alcohols, nothing but gasoline, Like coleman fuel.
And I find that i get better performance with premium, as well as better mileage. Like 10% better mileage and like an additional 10 or more hoursepower.
Just 'cause your car doesn't REQUIRE it doesn't mean you are mot getting a benefit from premium fuel.
Your mythbuster is wrong and outdated. that statement was true before computer controlled cars,. Now many engines can adjust to take advantage of the higher octane.
Yes, there is a grade below 87 Octane Regular. Ethanol 85, which has much more ethanol in it and it will kill your gas mileage and your engine.
ReplyDeleteRegular is 87 octane. Sunoco in michigan used to have 86 octane. I googled it and aparently 85-86 octane is used at hugher altitude like wyoming and colorado.
ReplyDeleteWife puts 89in her Mazda SUV. Says it runs better. I would prefer gas without alcohol but I would have to drive 45 minutes into PA to get some. Alcohol acts like octane, slowing down and weakening combustion. Most newer vehicles have knock sensors hooked to the car’s computer, which can advance and retard the timing. Actual higher octane real gasoline can thus deliver more power and mpg than fake octane gasahol. Id use it if it were even slightly convenient but none of it is sold here in NJ. And even Trump isn’t going to kill the corrupt farm program for wasting acres on corn and beets for ethanol.
ReplyDeleteUsing more octane than your engine needs is simply making it run hotter.
ReplyDelete