I went from 20w60 to 10w50 and now I don’t get that cold start rattle. If you’re in a super cold part of the world I’d go for a 10w or 5w oil, with a higher 2nd number for good viscosity for an engine @170,xxx kilometres. Also, make sure you run quality oil filters, like Mann filters as the cheaper filters seem to not have very good quality anti-drainback check valves in them.
Got a workshop quote me for engine oil change $550. I do it myself with liquid moly and Mann oil filter cost me $200.
It's fun DIY your car, changing engine oil isn't too difficult , just learn from YouTube.
And it's only takes 30 mins to do it.
I've taken to buying made in japan mazda rx8 filters for my 2015 impreza.
Mann
The Mazda filter has a higher capacity and larger design compared to the OEM Subaru filter. So, it will hang down slightly lower than OEM. The anti-drain back pressure seems to be similar, but I have never verified myself. I ran this filter on my 2005 Impreza WRX STi for a few years.
I’d high recommend doing an oil change with 10w30, putting on a factory oil filter (they’re about $10 at the dealer and come with a crush washer), and seeing how it behaves then. I recommend factory filters because for some very odd reason, I had less (or no) lifter tick when I used factory filters vs. aftermarket.
MANN 811/80 or O.E. oil filter exclusively to maintain oil pressure as designed by Hyundai engineers.
Mann is OE and generally considered superior to anything else available other than the Genuine Mann part.
It’s not the worst I’ve seen. But - I’d go back to stock and change the Mann filter every few months……
Changed the oil, and filter this summer. All well and good before. After a little while, a screeching sound from the oil filter housing. Collapsed filter? Nope. Replaced it with another new filter and same issue once again. On the slightest rev the sound is gone. No more Mann for me…
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If choosing oil filter across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare oil filter across these categories:
In March 2026 on PartReview, oil filter Mann were overall better than OEM Mazda.
In March 2026 on PartReview, oil filter Mann were overall more popular than OEM Mazda.
By vote balance, oil filter Mann surpassed OEM Mazda:
By number of reviews, oil filter Mann surpassed OEM Mazda:
In March 2026, according to PartReview, oil filter Mann led more car-specific ratings than OEM Mazda:
Mann are chosen by owners of cars such as: Hyundai Santa Fe, Volkswagen Passat, Volkswagen Beetle, Volkswagen Golf, Volkswagen Jetta, Volkswagen Tiguan, and others.
OEM Mazda are chosen by owners of cars such as: Mazda 3, and others.
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of oil filter Mann with: Fram, Wix, Mobil, K&N, Bosch, OEM Toyota, Motorcraft, OEM Volkswagen, OEM Honda, AMSOIL.
Also available: comparisons of oil filter OEM Mazda with: Fram, Wix, Mobil, K&N, Bosch, OEM Toyota, Motorcraft, OEM Volkswagen, OEM Honda, AMSOIL.
You can also see who is better among other oil filter manufacturers: Fram or Mann, Fram or Wix, Fram or Mobil, Fram or K&N, Mann or Wix.
