Subaru WRX Engine Problems

Factory vs. Aftermarket: which oil is better?

Answered by CarsGuide 20 Oct 2017

I would use the factory recommended oil, at least while the car is under warranty. Once the warranty has expired you could use the Mobil oil and shouldn’t experience any problems.

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What oil to use in an MY18 Subaru WRX?

Answered by CarsGuide 15 Sep 2017

Use a 5W-30 from any of the premium brands.

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