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Should I use full synthetic oil in a Lexus?


When it comes to maintaining your Lexus, one of the most common questions is whether to use full synthetic oil. As a trusted auto service provider with years of experience, I’m here to break down the benefits of full synthetic oil and help you decide if it’s the right choice for your vehicle.


Why Full Synthetic Oil is Recommended for Lexus Vehicles


Lexus vehicles are known for their luxury, performance, and reliability. To maintain these qualities, using the right type of oil is crucial. Full synthetic oil is often recommended for Lexus models for several reasons:



  • Enhanced Engine Protection: Full synthetic oil provides superior lubrication, reducing wear and tear on engine components, especially in high-performance engines like those found in many Lexus models.

  • Better Performance in Extreme Temperatures: Synthetic oil performs well in both hot and cold conditions, ensuring your engine runs smoothly regardless of the weather.

  • Longer Oil Change Intervals: Compared to conventional oil, synthetic oil lasts longer, meaning fewer oil changes and lower maintenance costs over time.

  • Improved Fuel Efficiency: The advanced formulation of synthetic oil reduces engine friction, which can lead to better fuel economy.


Does Lexus Require Full Synthetic Oil?


While not all Lexus models explicitly require full synthetic oil, many newer models do. Always refer to your vehicle’s owner’s manual for the manufacturer’s recommendations. Lexus often specifies synthetic oil for its engines to ensure optimal performance and longevity.


When Should You Use Full Synthetic Oil?


Here are some scenarios where full synthetic oil is particularly beneficial for your Lexus:



  • High Mileage Vehicles: If your Lexus has over 75,000 miles, synthetic oil can help reduce engine wear and maintain performance.

  • Frequent Stop-and-Go Driving: If you often drive in heavy traffic or make short trips, synthetic oil’s superior protection can prevent engine damage.

  • Extreme Weather Conditions: Whether you’re dealing with freezing winters or scorching summers, synthetic oil ensures your engine operates efficiently.


Conclusion


Using full synthetic oil in your Lexus is a smart choice for maintaining its performance, reliability, and longevity. While it may cost more upfront than conventional oil, the benefits far outweigh the expense in the long run. If you’re unsure about the best oil for your Lexus, feel free to consult your owner’s manual or reach out to a trusted auto service provider like Kevin’s Autos. We’re here to help you keep your vehicle running smoothly for years to come!


Frequently Asked Questions

What is the disadvantage of fully synthetic engine oil?


The price of synthetic oil is around two to four times the price of conventional oil. 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.



When should you not use full 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.



What is the best oil for Lexus?


Lexus recommends ILSAC GF-5 0W-20 full synthetic for engine oil refills, but the owners manual does not specify if this is also appropriate to replace the oil consumed by the engine during normal use.



Can you go back to synthetic blend after using full 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.



Does Lexus need full synthetic oil?


The Lexus brand is owned by Toyota. This is why the majority of new Lexus models need Toyota Genuine Motor Oil SAE 0W-20, a type of synthetic motor oil. If you drive an older Lexus model, it is more likely that your car will need Toyota Genuine Motor Oil 5W-30. This is a conventional motor oil.



Why is an oil change for a Lexus so expensive?


The higher cost of a Lexus oil change can be attributed to several factors. These include the use of synthetic oil, higher labor costs at a dealership, and the inclusion of additional services and inspections.



Why is Lexus oil change so expensive?


The higher cost of a Lexus oil change can be attributed to several factors. These include the use of synthetic oil, higher labor costs at a dealership, and the inclusion of additional services and inspections.



Is it worth switching to fully synthetic oil?


The single-phrase answer is: “Yes, but it will cost more”. Many of the advantages of synthetic oil are in helping your engine last longer. If you plan to keep the car for a long time, possibly passing it down through the family, synthetic oil would be a good first step in that goal.



Is it OK to use full synthetic oil instead of synthetic blend?


Yes, it is generally okay to switch from synthetic blend oil to full synthetic oil. Here are a few points to consider: Compatibility: Synthetic blends and full synthetics are compatible, so you can mix them without causing issues. However, for optimal performance, it's best to fully drain the old oil before switching.



How long does synthetic oil last in Lexus?


Lexus vehicles in which 0w-20 synthetic oil is required have been approved for extended oil change intervals of 10,000-miles/12-months. However, you should continue to check the oil level regularly and top off if needed.


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.