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2016 WRX STI best oil?
2016 WRX STI best oil?
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Old 10-03-15, 03:17 PM   #1
danny9447537
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Default 2016 WRX STI best oil?

I've been reading around the forums and it seems like everyone is using Rotella T6 5w40. I was wondering if it would void the warranty on my vehicle as it says to only use it as replenishment and to replace it with 5w30 as soon as you can.

Should I stick with 5w30 or go with 5w40? Any recommended oils other than Rotella T6 5w40?

p.s. I couldn't call my service department to double check if it would be alright as they're closed until Monday.
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Old 10-03-15, 03:41 PM   #2
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Default Re: 2016 WRX STI best oil?

Quote:
Originally Posted by danny9447537 View Post
I've been reading around the forums and it seems like everyone is using Rotella T6 5w40. I was wondering if it would void the warranty on my vehicle as it says to only use it as replenishment and to replace it with 5w30 as soon as you can.

Should I stick with 5w30 or go with 5w40? Any recommended oils other than Rotella T6 5w40?

p.s. I couldn't call my service department to double check if it would be alright as they're closed until Monday.
Here is a Subaru oil chart: 5-40 is ok. If you run 5w30 DO NOT USE MOBILE I. Get a race quality 5w30 like Motul.

https://lh3.googleusercontent.com/-E...x_oil_spec.png
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Old 10-03-15, 03:55 PM   #3
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Default Re: 2016 WRX STI best oil?

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Originally Posted by jaboyd View Post
Here is a Subaru oil chart: 5-40 is ok. If you run 5w30 DO NOT USE MOBILE I. Get a race quality 5w30 like Motul.

https://lh3.googleusercontent.com/-E...x_oil_spec.png
Thank you for the chart. Would Subaru ever deny me warranty work for using Rotella T6 5w40 since it is diesel oil? I've also looked at Eneos 5w30 and red line 5w30. No mods on my car and I plan to keep it that way.
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Old 10-03-15, 04:04 PM   #4
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Default Re: 2016 WRX STI best oil?

Please dont start another one of these. Dont follow that chart, the one in your owners manual is different. If you want to stay warranty compliant according to subaru than you need to use Any 5w30 that meets API SN or SN spec. Pretty much every name brand gf-5 oil 5w30 at the parts store. Will you void your warranty with t-6 probably not, but it is technically non compliant. There already is an oil thread out there in the 2015 section and its the same for 2016's.

What Oil will you use?
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Old 10-03-15, 04:16 PM   #5
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Default Re: 2016 WRX STI best oil?

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Originally Posted by BLKSTI16 View Post
Please dont start another one of these. Dont follow that chart, the one in your owners manual is different. If you want to stay warranty compliant according to subaru than you need to use Any 5w30 that meets API SN or SN spec. Pretty much every name brand gf-5 oil 5w30 at the parts store. Will you void your warranty with t-6 probably not, but it is technically non compliant. There already is an oil thread out there in the 2015 section and its the same for 2016's.

What Oil will you use?
Thanks for clarification. It gets confusing reading these forums at times because recommendations for oil keeps getting thrown around. One person will say 5w40, then another would say 5w30 and then another random comment in between as to why this is better than the other.
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Old 10-03-15, 05:23 PM   #6
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Default Re: 2016 WRX STI best oil?

Any Motul is really good, GC 0w-30 also a top performer on these engines
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Old 10-03-15, 09:13 PM   #7
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Default Re: 2016 WRX STI best oil?

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Originally Posted by user1029 View Post
Any Motul is really good, GC 0w-30 also a top performer on these engines
Which Motul oil series do you recommend? (Xclean/Xcess/EcoEnergy/EcoLIte)
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