Different engines are designed for gas that have slightly different properties. The property is called “octane.” Technically, it has to do with the engine compression ratio. There is not magic or value to higher octane gas for your car if it is not designed for it. Even cars driving in the last 10 years++ that are DESIGNED for specific octane fuel don’t care because their computers compensate for the 87 octane instead of their called out 91 octane.
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