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[-] hansolo@lemmy.today 1 points 1 month ago

Well, it's also 87 octane.

Where I live it's $6.50 a gallon, but for 95 octane, which I don't think you can even get in the US.

[-] xthexder@l.sw0.com 1 points 1 month ago

You're probably thinking of 95 RON gasoline, but US pumps advertise gasoline in AKI. 95 RON is equivalent to 91 AKI, which is what they're selling as "Supreme" in the OP photo.

[-] hansolo@lemmy.today 0 points 1 month ago

Whatever it is, my gasoline options are 95 and 100. That's it.

Still sounds like you're saying my options are 91 and 93 AKI or whatever. So the US 87 Regular is lower quality.

[-] lagoon8622@sh.itjust.works 2 points 1 month ago

Octane rating has no bearing on the quality of the fuel lmao. It just runs better in engines that are designed to run it.

Octane rating does not relate directly to the power output or the energy content of the fuel per unit mass or volume, but simply indicates the resistance to auto-ignition under pressure without a spark.

https://en.wikipedia.org/wiki/Octane_rating

[-] xthexder@l.sw0.com 1 points 1 month ago

That sounds about right to me. Some places will sell 93 AKI/100 RON in the US, but it's not as common, and the only cars that actually require it are probably modified turbocharged cars. Most US commuter cars run perfectly fine on 87 AKI and it's significantly cheaper. I live in Washington so for some reason they sell 92 AKI gasoline, which is an oddball number I don't see anywhere else.

this post was submitted on 12 Apr 2026
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