Engine oil OEM Toyota or OEM Mazda
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).
My 2009 1.33 likes both 5w30 (or 0w30) and 0w20. Out of the factory they came with 5w30, but toyota later recommended the switch with the 1.33 engine. With normal use and lower speeds 0w20 is best, if you drive a lot at higher rpms than 5w30 would be better (at130kmu/3200rpm 5w30 is smoother).
On 0w16 the engine is smoother, more responsive, quieter and consuming about 0.2L to 0.5L less fuel per 100 km.
Toyota OEM oil is very high quality stuff with lots of wonderful additives that are good for a long lasting engine.
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).
I’ve been happy with the 0w20 in my 1.8l Corolla.
10w30 toyota motor oil sa gas (vios,wigo)
Mazda says every 7500 miles for normal duty OCI, and I’ve done every 7500 miles since brand new on my 2014 3z.
It’s now at 187k flawless miles, consumes no oil *at all* (I’ve literally never had to add oil beaten changes, ever, what goes in comes out every time), runs like new, seems easily headed to 250k.
If you are using ToyotaCare, they will push 10k/1yr oil change interval. If you willing to pay for every oil change, they don't care.
2004 Toyota Avensis
Thing just guzzles oil. I believe the model I had was manufactured in England.
Had to top up the oil every 3000kms
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