Is Subaru 75W90 Synthetic?

If you own a Subaru and want to change your transmission or differential oil, you may be wondering whether you should use synthetic or conventional oil. In this comprehensive article, we will answer the question, "Is Subaru 75W90 synthetic?" and provide you with all the information you need to make the best decision for your vehicle.

Key Takeaways

  • Subaru offers a wide range of oils for their vehicles, including synthetic and conventional options.
  • Subaru 75W90 is a synthetic blend oil that offers improved performance compared to conventional oil.
  • Synthetic oils last longer and offer better protection to your engine, but they are more expensive.
  • It’s important to follow your vehicle’s manual when choosing an oil to avoid any potential warranty issues.

What is Subaru 75W90?

Subaru 75W90 is a gear oil that is used in the transmission and differential of many Subaru vehicles. The oil is designed to provide maximum protection to the gears and bearings, reduce wear and tear, and prevent corrosion.

However, there is some confusion about whether Subaru 75W90 is synthetic or conventional oil. The answer is that Subaru 75W90 is a synthetic blend oil, which means that it is a combination of synthetic and conventional oil.

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Synthetic vs. Conventional Oil

Before we dive into the specifics of Subaru 75W90, let’s first discuss the differences between synthetic and conventional oil.

Conventional oil is made from crude oil that is extracted from the ground. The oil is then refined to remove impurities and to create a lubricant that is suitable for use in engines.

Synthetic oil, on the other hand, is made from a blend of chemicals and additives that are designed to provide superior performance compared to conventional oil. Synthetic oil lasts longer, offers better protection to your engine, and can improve your car’s overall performance.

However, synthetic oil is also more expensive than conventional oil.

Synthetic Blend Oil

As previously mentioned, Subaru 75W90 is a synthetic blend oil. This means that it is a combination of synthetic and conventional oil.

The benefit of using a synthetic blend oil is that you get some of the advantages of synthetic oil, such as improved performance and protection, while also keeping the cost down.

Benefits of Using Subaru 75W90

Now that we know what Subaru 75W90 is and the differences between synthetic and conventional oil, let’s take a closer look at the benefits of using this particular oil in your Subaru.

Improved Performance

One of the primary benefits of using Subaru 75W90 is improved performance. The synthetic blend oil is designed to provide maximum protection to the gears and bearings, which can help to prevent wear and tear.

Additionally, the oil is formulated to provide better shifting performance, which can result in a smoother and more responsive ride.

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Extended Oil Life

Another benefit of using synthetic oil is that it lasts longer than conventional oil. Subaru 75W90 is no exception. The synthetic blend oil is designed to last longer than conventional oil, which means you can go longer between oil changes.

Better Protection

Synthetic oil is also known for providing better protection to your engine. The oil is designed to withstand extreme temperatures and pressures, which can help to prevent damage to the engine. Additionally, synthetic oil is better at preventing sludge buildup, which can improve the overall health of your engine.

Compatibility with Subaru Vehicles

Finally, one of the biggest benefits of using Subaru 75W90 is that it is specifically designed for use in Subaru vehicles. This means that the oil is fully compatible with your vehicle and will meet or exceed the manufacturer’s specifications.

Choosing the Right Oil for Your Vehicle

While Subaru 75W90 is a great option for many Subaru vehicles, it’s important to choose the right oil for your specific vehicle.

The best way to determine which oil to use is to consult your vehicle’s manual. The manual will provide you with specific recommendations for oil type and viscosity.

It’s important to follow the manual’s recommendations to avoid any potential warranty issues or damage to your vehicle.

Frequently Asked Questions

Can I use Subaru 75W90 in a non-Subaru vehicle?

While Subaru 75W90 is specifically designed for use in Subaru vehicles, it may also be suitable for use in other vehicles. However, it’s important to consult your vehicle’s manual and ensure that the oil meets the manufacturer’s specifications.

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Is synthetic oil worth the extra cost?

While synthetic oil is more expensive than conventional oil, it does offer improved performance and protection to your engine. Additionally, synthetic oil lasts longer, which can save you money in the long run by reducing the number of oil changes required.

What happens if I use the wrong oil in my vehicle?

Using the wrong oil in your vehicle can lead to damage to your engine and potentially void your warranty. It’s important to follow your vehicle’s manual and use the recommended oil type and viscosity.

Conclusion

In conclusion, Subaru 75W90 is a synthetic blend oil that is designed for use in many Subaru vehicles. The oil offers improved performance, extended oil life, and better protection to your engine. However, it’s important to follow your vehicle’s manual when choosing an oil to avoid any potential warranty issues or damage to your vehicle.

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Alton Brobst

As a longtime Subaru enthusiast, Alton brings a wealth of knowledge and experience to our blog. From his early days of tinkering with engines to his current role as a certified Subaru technician, Alton has seen it all when it comes to Subarus. When he's not working on cars, he enjoys hiking and exploring the great outdoors.

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