The answer is yes, drivers can mix the two types of fuels. The resulting octane level will be somewhere in the middle, which means the car “will survive,” as per The Drive.

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Can you mix regular and premium gas?

You can create a mid-grade octane by combining regular and premium gas. For a mid-grade octane gas, this is the standard practice at most gas stations. It is, however, a mistake to mix premium and non-premium fuel in a premium vehicle.

What happens if you mix 87 and 93 gas?

Filling your tank with 87-octane gas, but accidentally using a higher-octane blend like 91,92 or93 isn’t going to cause you any problems. As a result, the gas you’re pumping into your car or truck will burn differently in your engine.

Is it OK to mix gasoline brands?

Gasoline grades in the United States are up to OEM standards, so mixing different brands should not be an issue.

Is it OK to mix 89 and 93 gas?

And yes, the two types of fuel are compatible.

What happens if you mix 91 and 93 gas?

Where does the mixture end up? The lower octane fuels will burn and be consumed first if you run both 91 and 93 in the same tank. The higher octane fuels are then mixed with the lower octane fuels in the combustion chamber.

What if I accidentally put premium gas in my car?

Your regular gas car won’t be affected if you accidentally put premium fuel in it.