
Subaru Synthetic Oil - Fact, Fiction and Requirements
What is Synthetic Oil and How Does it Work?
Does it Make my Engine Last Longer?


What are the advantages of Subaru Synthetic Motor Oil?
The technical advantages of Subaru synthetic motor oils include:
- Measurably better low and high temperature viscosity performance
- Better chemical & shear stability
- Decreased evaporative loss
- Resistance to oxidation, thermal breakdown and oil sludge problems
- Extended drain intervals with the environmental benefit of less oil waste.
- Improved fuel economy in certain engine configurations.
- Better lubrication on cold starts
- Longer engine life
Frequently Asked Questions About Synthetic Oil
YES - Subaru Synthetic Motor Oil can be recycled along with regular motor oil. Quirk Subaru recycles all of our used motor oil. In addition, Synthetic Motor Oils do not require changing as frequently resulting in less waste oil.
In addition, Synthetic motor oil for your vehicle can increase your fuel economy by over 2%. To illustrate the magnitude of this change, understand that if just one-third of U.S. drivers reduced their gasoline consumption by 2%, we would save almost one billion gallons of gasoline and reduce carbon dioxide emissions by eight million tons every year. That's the equivalent of removing about 1.5 million cars off the road. That's good for the environment!
In an emergency situation, you can mix the two types of oil. However, it is best to not mix them and the oil should be changed once you are out of the emergency situation. The performance and benefits of Subaru Synthetic Motor Oil will be degraded if mixed with regular oil.
No. Subaru Synthetic Motor Oil works with the same Subaru filters used with conventional motor oils.
YES and NO - Subaru Synthetic Motor Oil does cost more than regular oil but it also delivers several performance benefits including improved lubrication, increased power, and better fuel economy. While the oil is slightly more expensive, in the long run it will save you $$ on non-turbo models because after the first oil change, all subsequent oil changes are every 7,500 miles vs 3,750.
YES - Please call our Service Department for the proper procedure and change frequency when converting from regular oil to Subaru Synthetic Motor Oil.
How often do I need to change my Subaru Synthetic Motor Oil?
See the recommended schedule below.
Model | Oil | 1st oil | 2nd oil | Subsequent oil changes | |
Non-Turbo Models | 0W-20 | 3,000 | 6,000 | 6,000 | |
| Turbo Models | 5W-30 synthetic | 3,750 | 7,500 | 3,750 |
* Because turbos run hotter, oil change frequency is every 3,750 miles. Always consult owner's manual for proper oil recommendation and warranty maintenance booklet for service intervals.
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Quirk Subaru of Bangor
684 Hogan Rd
Bangor, ME 04401
- Sales: 207-299-1681