Better to use ZIC X7 fs oil. Korean oil.
Been using it for several years and it’s amazing for its price.
But then we replaced it with a SkyActiv Mazda3 that used 0w20 and proceeded to have a good long history with that motor that had 0 oil consumption in 125K miles; I did all of the oil changes myself and it was always 4.5qts in/4.5qts out every 5k miles.
I currently use Zic 5W-20 oil in my mirage
it has around 190kms
For [Naturally-Aspirated Skyactiv engines](https://en.wikipedia.org/wiki/SkyActiv), it is highly recommended that you use Mazda's own(Idemitsu) high molly GF-5 0w-20. [Arguably it is one of the best oil for skyactiv engines](http://www.cleanmpg.com/community/index.php?threads/45295/#post-357910).
2014 3, 0W-20 full synthetic (whatever major brand is cheapest) from brand new, every 7500 miles.
170k, runs like a top, burns not a single drop between changes, compression and fuel mileage exactly the same as new.
I use Mazdas 5w-30 Ultra DPF. Mazda once said that this was the oil that they're using, so I guess what's used by mazda can't be too bad for the rex
Zic M9 10w40 fully synthetic ako for Honda Click. Changed oil every 2k km. 29k odo and never pa ko binigyan ng problema
Been using it for several years already and very popular brand na sya ngayon since anak ni Lucio Tan ang distributor.
Use their X7 if you plan to change oil every 6 months. Use X7000 for yearly changes.
Could be weather related. I'm in Canada and we have weather from -35C to +35C, so Mazda recommends oil changes every 8000km instead of 12,000km.
For the record, this is NOT the exact replacement to Mazda 0W-20 GF-5 with Moly - Synthetic Engine Oil.
While this has high molybdenum, it's still a different formula from Mazda's own proprietary blend.
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