PREMIUM-VS-REGULAR GAS FOR 2024 GT??

[Farmer Fran]

Run 93

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[GregB-Dark-Horse]

Washington state has the 3rd highest average gas prices in the USA, right behind California and Hawaii!….I know, I paid for the GT’s HP, so why not get it all the time, right? How much HP is lost if I used 87 octane? Premium here is 50 to 60 cents more per gallon and it hurts, just a little each fill up, you know?

I wouldn't, I always use either 93 or 94 octane, and drive away from any station that has 91 "Premium". I bought the car knowing full well that it calls for 93 octane or better gas, and I don't want to f-up a high compression engine with lousy gas.

It's just not worth taking the risk...

 

[TwiztdWun]

These cars have 16 gallon tanks. To fill it up completely is only a $16.00 difference from 87 to 93 octane. Just use 93. If an extra $16 every week or two breaks you, you probably bought the wrong car.

 

[DevilDog]

I run 93 octane in mine just because.

 

[Cz_Ziemniak]

These cars have 16 gallon tanks. To fill it up completely is only a $16.00 difference from 87 to 93 octane. Just use 93. If an extra $16 every week or two breaks you, you probably bought the wrong car.

This is the hard to swallow truth.

My 30 year old Honda also has a 16 gal tank and asks for 93. Its sort of expected with high compression motors. It ain't the 70's anymore

 

[Farmer Fran]

My RAM requires 93. The 5.0 recommends 93. So double whammy for me but i knew going in HP = $$

 

[Kevi]

Just bit the bullet at Costco on my first fill up.

Gas cap clearly states "87+"

But I put in the $3.50/ gallon rip off gas instead of the $2.70 freedom gas.

 

[JohnWimsey]

Washington state has the 3rd highest average gas prices in the USA, right behind California and Hawaii!….I know, I paid for the GT’s HP, so why not get it all the time, right? How much HP is lost if I used 87 octane? Premium here is 50 to 60 cents more per gallon and it hurts, just a little each fill up, you know?

93 for me

 

[RLE55]

But I put in the $3.50/ gallon rip off gas instead of the $2.70 freedom gas.

and why did you do that????

 

[Kevi]

and why did you do that????

It's new I don't want to risk anything for the first 500 miles. It's not my commuter car anyway.

 

[Germansheperd]

Washington state has the 3rd highest average gas prices in the USA, right behind California and Hawaii!….I know, I paid for the GT’s HP, so why not get it all the time, right? How much HP is lost if I used 87 octane? Premium here is 50 to 60 cents more per gallon and it hurts, just a little each fill up, you know?

It basically come down to this- If you can’t afford an extra $10-$15 a tank you bought the wrong car and can’t afford it plain and simple.

 

[ChitownStang]

I still can’t understand why people would ever put crap gas in a high performance engine.
Why did you buy a sports car for a lot of money if you can’t afford a few dollars per fill up.
There’s a couple golden rules when it comes to Coyote imo.
-Keep your air filter clean
-Use full synthetic oil, and don’t wait 10k miles to change it. More like 5k most.
-use 93 octane gas from good stations
- step on the gas and stop diving like a granny!

 

[AZ_Ryan]

I still can’t understand why people would ever put crap gas in a high performance engine.
Why did you buy a sports car for a lot of money if you can’t afford a few dollars per fill up.
There’s a couple golden rules when it comes to Coyote imo.
-Keep your air filter clean
-Use full synthetic oil, and don’t wait 10k miles to change it. More like 5k most.
-use 93 octane gas from good stations
- step on the gas and stop diving like a granny!

Not many places out west have 93 unfortunately.

 

[Bear376]

I wouldn't, I always use either 93 or 94 octane, and drive away from any station that has 91 "Premium". I bought the car knowing full well that it calls for 93 octane or better gas, and I don't want to f-up a high compression engine with lousy gas.

It's just not worth taking the risk...

You must not travel much. I rarely encounter any stations with other than 91 octane. To get 93 or higher, I would have to go to the track 35 miles away. I have an ATV that calls for 93 octane ethanol free. The only station that had it, now only had 91E10. I finally found a station with 91E0, So far, it runs OK in my ATV, and I don't really expect any long term issues..

 

[roket]

i used to run 87 because it was cheaper. i decided to switch to 91 (highest we have in AZ) because i want to supercharge it and want everything to be nice and ready and have myself desensitized to the price of filling it with 91. i even went as far as to swap my "87+" sticker for a "91+" one. if i had no plans to supercharge, i would still be going with 87 all day. such a low octane fuel is definitely not ideal for a 12:1 compression ratio engine, but the PCM will deal with it and accommodate, it just means you lose some power

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