Fuel octane

[rb36643]

I know that the manual says to use 89 octane but is anyone seeing better fuel mileage or performance with higher octane?

 

[Rugrat2553]

My manual states that 87 is the minimum. Then 2 paragraphs later it says. "For best overall vehicle and engine performance, premium fuel with an octane rating of 91 or higher is recommended..."

 

[2020FordRaptor]

I know that the manual says to use 89 octane but is anyone seeing better fuel mileage or performance with higher octane?

87 octane is minimum. Not much bettee performance for 91. You should only use it if you have a very heavy right foot or you are towing.

 

[MikeHTally]

I fed mine 93 during a 2,600 mile road trip last summer. Avg 24.2, best 26.4. SInce we got back, I switched to 87. My fuel cost per mile is lower, but that's mostly because the 93 averaged about $5.20/gallon Since I putter back and forth to work and run errands, the extra ponies don't seem to be needed. I'm pretty sure 93 would give me cost-per-mile that's comparable.

 

[KNTRDR]

Ran 87 since day one, switched to 91 when I had to do a little towing. Never noticed much if any performance difference. I’m sure a dyno would disagree, but by seat of the pants, nothing noticeable.

 

[Mirage]

I used Costco 87 on my 2020 for 38K miles, now using it in my 2023, so far 9K. No reason to use anything more.

 

[Cruising68]

I’m taking it in the shorts, or wallet, and running 93 with my ZFG tune all the time. But the fun factor seems to make up for it


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[st8]

based on how much I drive the general 50-70 cents increase for 93 octane, it costs me a few extra hundred dollars a year. Definitely worth it especially tuned.