Premium vs. Regular Gas: What’s the Difference?

Most people don’t know what the difference between premium and regular gas is. If you’re one of them, don’t sweat it. Read our handy guide to quickly educate yourself about their differences, and if North Wales drivers have any other questions about car care or automotive to-knows, be sure to explore our service tips for more helpful reads! 

What is Premium Gasoline? 

When it comes to premium vs. regular gas, you’ll find that, while they’re both produced from combustible crude oils, premium gas is cleaner. It has a higher octane level, usually above 90, which allows it to produce less pollution and help your engine run more efficiently on Lansdale streets. 

What is Regular Unleaded Gasoline? 

As for regular unleaded gas, it has a lower octane level than premium at around 87. It’s also better for the environment than leaded gas. Finally, it’s the most common fuel available at Chalfont gas stations and can be used by the majority of engines without damaging your engine. 

The Difference Between Premium and Regular Gas

Let’s compare premium vs. regular gas in greater detail. Here are there key differences: 

• Octane Rating: Premium has a higher octane level, is more efficient, and less likely to “knock” or “pre-ignite” your engine, which can cause damage. 
• Engine Suitability: Regular unleaded gas is quicker burning, which allows it to work with the majority of engines that have low compression ratios. Engines with high compression ratios require premium gas. Usually, only sports cars or other high performance vehicles require premium. 
• Price: Regular gas is much more affordable—usually 20 to 40 cents less per gallon. 

Have Other Questions About Premium vs. Regular Gas?

Now that you know about the differences between premium and regular gas, if you have more questions, call us North Penn Mazda in Colmar at (215) 822-1361. Our service technicians are happy to answer any of your questions about car or automotive jargon. While you’re here, take a moment to explore our site for other informative reads like our guide on how to make your tires last longer, when to change your oil, and more!