Difference Between Premium & Regular Gas

Gas pumps in a row

Whether you’ve just bought a new or pre-owned vehicle, you’ll notice that when it’s time to fill up on fuel, you’ll likely have various options to choose from at the Freehold pump. In many cases, when you open your gas cap, it’ll specifically mention using regular or premium fuel. But, if your vehicle doesn’t have that, then what’s the difference between premium and regular gas? 

Additionally, can you use regular gas in a premium vehicle and vice versa? Find out today with the experts from Galaxy Toyota. We’re going to touch on the difference between premium and regular gas as well as some other highlights you should know about when using each fuel type!

Premium vs. Regular Gas

Premium and regular gasoline are oftentimes similar in that they’re combustible and produced from crude oil. However, there are various distinctions that you should keep in mind before fueling up your Toms River daily driver. Let’s see premium vs. regular gas according to octane, engine compression, and price below:

  • Octane: Octane ratings are often what sets apart premium and regular gas. Premium gas typically offers a higher octane rating. These ratings are the measurements at which fuel will combust. The higher the octane level, the lower the chances of your fuel pre-igniting, otherwise known as engine knocking.
  • Engine Compression: High compression, performance-oriented engines will often require you to use premium gas. Low compression engines often use regular gas because it burns faster than premium fuel.
  • Price: Premium fuel typically costs more than regular fuel. Using premium fuel when not needed can be costly and add up every time you fuel up.

When To Use Premium vs. Regular Gas

With premium fuel regularly costing more than regular fuel in the Long Branch area, is it better for your vehicle? You might think so, but let’s take a closer look at when you should be using premium vs. regular gas:

  • Using premium gas when your vehicle only requires regular gas will not boost your vehicle’s performance or longevity.
  • If you use regular gas in a vehicle that requires premium, it likely won’t damage your vehicle. Most modern vehicles have advanced computers that can alter your vehicle’s performance to account for the regular gas. But, if you hear engine knocking or notice anything awry, switch back to premium gasoline.
  • Opting for regular gas in a vehicle that uses premium will also result in performance loss and a decrease in gas mileage.
  • If your vehicle has a turbocharger, you might have to use premium fuel.

Learn More Today at Galaxy Toyota!

There are plenty of nuances involved with using premium vs. regular gas in your vehicle. However, it’s always best to reference your owner’s manual or stop by our Eatontown service center if you’re not sure about whether or not you should be using regular or premium fuel. You can learn more about the different gasoline types today at Galaxy Toyota. As always, please let us know if you have any other questions!


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