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Using 0W40 instead of 0W20 oil on the 2013 2.5 OB

47912 Views 25 Replies 17 Participants Last post by  avenger09123
Hi friends,

Possibly a dumb question (as I for some reason cannot fully wrap my head around the oil viscosity thingy), but my 2013 2.5 Prem CVT manual recommends 0W20 synthetic oil. If I was to use Mobil 1's 0W40 oil instead, would it do any harm, either in short run and/or over time?

I currently have only a few hundred miles on my 2013 OB, but plan on doing first new car oil/filter change around 1000 mile mark.

thanks,
plex :cool:
1 - 2 of 26 Posts
hi friends,

possibly a dumb question (as i for some reason cannot fully wrap my head around the oil viscosity thingy), but my 2013 2.5 prem cvt manual recommends 0w20 synthetic oil. If i was to use mobil 1's 0w40 oil instead, would it do any harm, either in short run and/or over time?

Thanks,
plex :cool:
do not use 0w40
if Subaru spec'd our 0W20, why would you want to use 0W40?
Unless you have a 55 gallons of 0W40 oil sitting in your garage!! I just think is borderline comical that you even think abt using 0W40.....

Better yet, Maybe you should prove us all wrong, Test it our on YOUR BRAND NEW $30K SUbaru..... Let us know how the car run with this 0W40 oil....:):)
1 - 2 of 26 Posts
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