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Can my car use regular oil instead of synthetic?

The short answer is that it depends on your car's specific requirements. While some vehicles can use regular oil, others may require synthetic oil for optimal performance and engine protection. The decision to use regular or synthetic oil should be based on your car's manufacturer recommendations.


Understanding the Differences Between Regular and Synthetic Oil


Regular, or conventional, motor oil is a petroleum-based lubricant that is refined from crude oil. Synthetic oil, on the other hand, is a man-made lubricant that is engineered to have specific properties that can provide better performance and protection for your engine.


Synthetic oils are typically more expensive than regular oils, but they can offer several benefits, including:



  • Improved resistance to thermal breakdown and oxidation, which can help extend the oil's lifespan

  • Enhanced viscosity stability, which means the oil maintains its thickness and flow characteristics better over a wider range of temperatures

  • Reduced friction and wear on engine components, which can improve fuel efficiency and engine longevity


Regular oils can still be a suitable choice for many vehicles, especially those with older or less demanding engines. However, it's important to follow the manufacturer's recommendations to ensure your car's engine is properly lubricated and protected.


Checking Your Car's Oil Requirements


To determine whether your car can use regular or synthetic oil, you should consult your owner's manual or the information provided on the oil fill cap or in the engine compartment. Many modern vehicles, especially those with high-performance or turbocharged engines, will require the use of synthetic oil to maintain optimal performance and engine life.


If you're unsure about your car's oil requirements, it's always best to err on the side of caution and use the type of oil recommended by the manufacturer. Using the wrong oil can lead to increased wear and tear on your engine, reduced fuel efficiency, and even potential engine damage over time.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.