Bit ridiculous but true. LolNo no no no no with a side of no, no with a sprinkle of no, no mixed in a bag of capital NO. Long story short....No difference
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+1 Only regular here.It won't make a difference because premium gas does not have any additional energy in it. It has more of the component ("octane") that is used to prevent the gas mixture from igniting too early under the increased pressure of higher ratio combustion chambers. Called knock, which can really harm the engine (and decrease mileage). It is not needed for this car. Period.
Using premium gas to improve performance is a myth that has been around for at least 70 years. And the gas companies have helped push the idea, they make more on premium, as the additional additives do not add up tot he in creased price. There are cars that need higher octane levels to run properly because of their design. It is not needed for this car. Period. Buying premium for a car that is designed to run on regular is throwing money away.
I know this is a touchy issue for some out there who want to believe otherwise. I challenge anyone who thinks they do better in these cars on premium to do a double blind test and see if they can discern any difference. And better yet, that test needs to be done by professional drivers with no personal interest in trying to establish a difference.
03-07 Accord V6's would give a slight bump in power without tuning if you switched to premium after a few tanks. Most vehicles would not see any performance bump though.The only car I've researched that does better on premium is the Cruze and Sonic with the 1.4l Turbo. They recommend 87 octane or above though. Whenever I see that the engine's almost always will run on 87 but run better on higher octane.
Once in a while full tank of 91 combo with italian driving to clean off that gunk build ups. trust mr car would feel much loose and spirited!