What’s the Difference Between Premium and Regular Gas?

Gas pumps in a row
Have you wondered about the difference between premium and regular gas while you’re filling up at the local Lancaster gas station? The team at Miracle Chrysler Dodge Jeep Ram is here to answer your fueling questions. Follow our guide as we compare premium vs. regular gas, and which gas type benefits you the most on your Elverson drives. If you have more questions along the way, contact our service team today!

Premium Gasoline

No matter what type of gas Reading vehicles use, they have a number of factors in common, the most simple being both premium gas and regular gas are produced from crude oil and are combustible. However, the differences come when looking at their octane level. Premium gasoline features an octane level of 90 or more, and allows drivers to keep their engine cleaner which results in less pollution.

Regular Unleaded Gasoline

The most common type of gas is regular unleaded gasoline and is perfectly suited for most vehicles on the road today. By being unleaded, this gas is better for the environment and the driver’s health. Regular unleaded gasoline has an octane rating of 87, which helps indicate how well it combats inappropriate fuel combustion.

Premium vs. Regular Gas

While both gasoline types have key similarities, here are the differences between premium and regular gas:

  • Octane Rating: When gas has a higher octane level, it reduces the chance of engine knocking, or pre-ignition, from damaging the vehicle. Vehicles using premium gasoline have a smaller chance of this.
  • Engine Suitability: Drivers comparing premium vs. regular gas should consider their engines compression ratio. Since regular unleaded gas burns faster than premium gas, it makes it better suited for engines that have low compression ratios. Premium gasoline is best matched for engines with high compression ratios.
  • Price: Standing at the pump, drivers immediately notice that premium gas is around 20 to 40 cents more per gallon than regular unleaded gas, and that can add up for frequent drivers around Pottstown.

When weighing which gas type suits your Chrysler, Dodge, Jeep, Ram, keep these tips in mind:

  • Premium gas won’t increase the performance or longevity of vehicles that don’t require it.
  • Vehicles requiring premium gas won’t be harmed by using regular unleaded gas. However, if a knocking is heard, it’s best to use premium gasoline going forward.
  • Modified engines that utilize turbochargers will be better off using premium gas.

Trust the Service Team at Miracle Chrysler Dodge Jeep Ram!

If you have any other questions about premium vs. regular gas, stop into our service center near Reading. Our certified technicians use genuine OEM parts to keep your vehicle running smoother for longer, and you can save on your next service by taking advantage of our current specials.


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