Can You Mix Premium Gas And Regular Gas? Accurate Information!

Premium gasoline can be any type of gasoline that contains an octane level of 91, gasoline with an octane level of 91 or 93 is considered the most typical kind of premium gas. You should use the type of gasoline that supports your car. E.g., If your car supports gasoline of octane level (91), you should look for premium gasoline at the gas stations. 

Premium gas is usually used in heavy-duty vehicles to maximize fuel efficiency. Gasoline with an Octane level of 87 is considered to be regular gas.

Can you mix premium gas and regular gas?
Can you mix premium gas and regular gas?

This gas can deal with improper fuel combustion in an engine. Regular gas is also known as unleaded gasoline. Regular gasoline is used in standard vehicles, this type of gas is budget-friendly also.

This gas is labeled as “Midgrade” gas by most gas stations. If you try to use premium gasoline instead of regular one for a standard car, it would not harm your car engine. Instead, it would boost up your car’s acceleration or fuel economy by significant means.

Premium gas will help clean the deposits from the fuel injectors and other parts of your car’s fuel system, eventually benefiting your car. 

But, if you’re trying to use a standard gas in a car that requires premium gas to work, you could end up harming the parts of your car as the quality of gasoline your car needs is not enough. Doing this could damage the pistons of your car.


Can You Mix Premium Gas And Regular Gas?

Yes you can mix premium gas and regular gas. But keep this in mind if your vehicle manufacturer strictly advises that you need to use regular gas of 87 octane level or premium gas of 92 octane level. You should use the same as this could harm your car parts and can result in a knock into your engine.

Many drivers use this method to get gasoline at a low price as you can mix regular or unleaded gas and premium gas to obtain a somewhat “Midgrade” gasoline.

Most of the cars on the road are now run on gasoline that contains 87-89 levels of octane. You can achieve this octane level by mixing appropriate amounts of regular and premium gases.

There may be some cases in which you can experience pre-ignition, knocking while driving on the mixture of the two types of gasoline- premium and regular. This would reduce the efficiency of the car engine and lose its power.


What are the types of fuel, and can they work interchangeably?

To understand the question can you mix premium gas and regular gas? in more details, let’s look at the type of fuel.

There are two kinds of gasoline fuels available. These fuel types are distinguished based on their Octane level. Octane rating measures the grade of gasoline’s ability to prevent ignition of the air-fuel mixture. The two kinds of gasoline fuels are as follows:

What are the types of fuel, and can they work interchangeably?
What are the types of fuel, and can they work interchangeably?

🚗 Regular gasoline

Regular gas is budget-friendly gasoline fuel for almost every standard car. The octane level of this gas is 87. It is the most commonly used fuel type for cars; the fuel type does not contain any amount of lead component, which is why it is eco-friendly up to a certain level and less hazardous. Moreover, regular gasoline is also known as unleaded gas. 

Regular gas is usually required by some sport utility vehicles. Regular gas is known to burn faster than other types of fuel gases. If you don’t provide a lot of load on your engine or your engine does not produce a lot of power, then regular gas might work perfectly for your car; also, if your engine has a low compression ratio, then regular gas will be fit for use.

🚗 Premium gasoline

Premium gasoline is used in high-performance engines. Those vehicles that have to bear a lot of load on their engines use premium gas as fuel because the premium gas fuel doesn’t burn completely. The benefits of using the premium fuel are that it lasts longer than the original fuel, enhances performance, and offers more protection to your engine.

The octane level of this gas ranges from 91 to 93. If you have a lot of loads to apply to your engine and if your engine has a high compression ratio, you should consider opting for premium gasoline. Also, if your car manufacturer suggests you use premium gasoline only, then following what he says might be the best option for you.


How do you determine which gas fuel you should go for?

Knowing what type of gasoline your car needs is most important to keep your car healthy and working up to the mark. If you drive your car around the town without applying too much load on your car’s engine, also if your engine has low compression, then the regular gasoline would work perfectly fine and is sufficient as per your light usage.

Regular gasoline produces unfinished combustion. Regular gasoline has little to no amount of lead present in it, which is why this gas is an eco-friendly gas and less hazardous. But if you have a high-performance engine car and your usage is heavy, which means you have to put a lot of load over your engine, then premium gasoline would fit best for this kind of situation.

Even if your engine has a high compression ratio, you should consider using premium gasoline; this kind of gasoline is fuel-efficient and completely combusted. The detergent additives in premium gasoline also help keep the fuel injectors clean, and it also helps optimize the performance of your engine. 

How do you determine which gas fuel you should go for?

Also, suppose your car manufacturer advises you to use premium gasoline. In that case, you should follow the advice and the best choice would be to spend the extra money and use premium gasoline. There could be chances that you may violate the condition of your engine by causing pre-ignition.

You can look into the fuel door or in your car’s owner manual to know what is the preferred fuel type for your car. This would help you to make sure the fuel you’re using is fir for your car or not.

If the fuel door reads “Premium gas only”, your car supports premium gasoline fuel only. Whereas if it reads “Regular gas-only”, then this would mean that your vehicle supports only regular gasoline.


What happens when you mix 83 and 97 gas?

Daily most of the vehicle drivers that drive cars and trucks use regular gasoline as a fuel to run their vehicles, and there is also a great reason for it, the prices of the fuels are so high and keep on increasing significantly with time. People generally use regular gasoline of octane levels 83 to 87.

But what would happen if you use gas with a higher octane level of as much as 97, which would come into the category of. This sounds scary, but it is not, so don’t worry. You will observe a slightly different driving experience and an improvement in gas mileage as premium gasoline fuels are more efficient than other kinds of fuels.

Mixing a gas with an octane level of 83 and another gas of 97 octane level would result in a gas of mid-range octane level, which is used in many vehicles. Check the fuel door to make sure you are using the correct fuel type for your vehicle.


Which kind of vehicle takes regular gasoline?

Here is a list of vehicles that usually work on regular gasoline:

  1. Acura.
  2. Audi.
  3. Bentley.
  4. BMW.
  5. Infiniti.
  6. Jaguar.
  7. Land Rover.
  8. Mercedes-Benz.

I hope now you have a clear idea about can you mix premium gas and regular gas or not. If I missed anything let me know in the comment box.