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Does my car need regular or synthetic oil?


Choosing the right type of oil for your car is crucial for maintaining its performance and longevity. At Kevin's Autos, with years of experience in car maintenance and repair, we often get asked whether regular or synthetic oil is the better choice. The answer depends on several factors, including your vehicle's make and model, your driving habits, and the manufacturer's recommendations. Let’s break it down to help you make an informed decision.


What Is the Difference Between Regular and Synthetic Oil?


Understanding the difference between regular (conventional) and synthetic oil is the first step in making the right choice for your car:



  • Regular Oil: Also known as conventional oil, this is derived directly from crude oil and contains natural impurities. It is less expensive but may not perform as well under extreme conditions.

  • Synthetic Oil: This is chemically engineered to provide superior performance. It is designed to withstand extreme temperatures, reduce engine wear, and improve fuel efficiency.


When Should You Use Regular Oil?


Regular oil may be suitable for your car if:



  • Your vehicle is older and was designed before synthetic oils became widely available.

  • You drive primarily in mild weather conditions and avoid extreme heat or cold.

  • You stick to shorter trips and don’t put excessive strain on your engine.

  • You’re looking for a more budget-friendly option for oil changes.


When Should You Use Synthetic Oil?


Synthetic oil is often the better choice in the following scenarios:



  • Your car’s manufacturer specifically recommends synthetic oil (check your owner’s manual).

  • You drive in extreme temperatures, whether very hot or very cold.

  • You frequently tow heavy loads or drive in stop-and-go traffic, which puts extra stress on your engine.

  • You want to extend the time between oil changes, as synthetic oil lasts longer than regular oil.

  • Your vehicle is a high-performance or luxury model that requires superior lubrication.


How to Decide What’s Best for Your Car


Ultimately, the best way to determine whether your car needs regular or synthetic oil is to consult your owner’s manual. The manufacturer’s recommendations are tailored to your specific vehicle and its engine requirements. Additionally, consider your driving habits and the conditions in which you typically drive.


If you’re still unsure, don’t hesitate to reach out to a trusted auto service professional. At Kevin's Autos, we’re here to help you make the best choice for your car. Give us a call or stop by our shop to discuss your oil change needs and keep your vehicle running smoothly.


Conclusion


Both regular and synthetic oils have their advantages, but the right choice depends on your car and your driving habits. By understanding the differences and considering your specific needs, you can ensure your engine stays well-lubricated and performs at its best. Remember, regular maintenance is key to extending the life of your vehicle, so don’t skip those oil changes!


Frequently Asked Questions

Why is synthetic oil not recommended?


Synthetics may be more prone to additives precipitation during cold storage conditions. This stratifies certain additives which can potentially lead to their complete separation from the oil. Multi-grade motor oils using synthetics may exhibit slightly less fuel economy at highway speeds compared to mineral oil.



Does it matter if you put regular oil instead of synthetic?


Yes, you can use regular motor oil instead of synthetic oil, but there are some things to consider. Regular motor oil is made from crude oil, while synthetic motor oil is made from synthetic base stocks. Synthetic engine oil has a longer shelf life and can withstand higher temperatures than regular engine oil.



How do I choose the best engine oil for my car?


Thin, low viscosity oils flow easier to protect engine parts at colder temperature. Thick, high viscosity oils are typically better at maintaining film strength to protect engines at higher temperatures. You can find the right viscosity for your vehicle by looking on the oil cap or in the owner's manual.



Why can't you go back to regular oil after synthetic?


Myth: Once you switch to synthetic oil, you can never switch back. This is one of the most persistent myths about synthetic oil—and completely untrue. You can switch back and forth at any time. In fact, synthetic blends are simply a mixture of synthetic and conventional oils.



Is it bad to go back to regular oil after using synthetic?


This is one of the most persistent myths about synthetic oil—and completely untrue. You can switch back and forth at any time.



How do I know if I need synthetic or regular oil?


Inspect the Oil Dipstick: - Color and Consistency: Synthetic oil typically has a clearer, lighter color compared to conventional oil. It may also feel smoother and less viscous. - Smell: Synthetic oils usually have a different, less pungent smell than conventional oils.



How do I know what oil to put in my car?


The easiest way to find out what engine oil your car needs is to check your vehicle handbook – which is usually kept in the glove compartment. It should list the specific type of oil, the appropriate viscosity, and the necessary volume of oil for your engine.



Which cars require synthetic oil?


Simply check your car's owner's manual and look for the page or section that covers the correct oil type based on the manufacturer's recommendation. Generally, high-performance vehicles and supercharged or turbocharged engines require synthetic oil. This oil type is also suited for most modern engines these days.



What happens if you put wrong oil in your car?


Although you can operate the vehicle even with the inappropriate engine oil, if you continue using it, you risk damaging the engine's moving parts and components, reducing its reliability and decreasing its lifespan.



When should you not use synthetic oil?


Better For Older Engines
This being said, however, it is still not recommended to use synthetic oil in engines that have experienced significant actions – specifically, those that have reached around 75,000 miles on the odometer.


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.