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).
Motul is cheaper than Petronas and it's a very good oil.
Best oil for me is Motul 8100 X-Clean 5W-40 C3, or Liquil Moly. 5W-40 because I got more hot climate here (Greece).
I would recommend Motul.
I’ve got Motul Sport 5W30 for my MY12 XV, which ain’t a turbo ofcourse????
But next time I’ll go for sport 5W40, as it’s better for long driving in temperatures like 30(+) degrees Celsius outside.
The Sport range is by the way also good again low speed pre-ignition.
I am currently using Motul X clean EFE 5w30 using it because it was Tuner/shop recommended by Dmann/Felix Performance who did change for me prior to a tune/dyno and I haven't switched back.
I'm using Motul Specific RN 0729 on my Megane 4 (2017) with DPF
I have used 7100 10w40 in hornet 2.0 .recommend was 10w30
Bike is smoother compared to honda synthetic oil.
But the only issue is there was rpm fluctuats between 2k to 2.5k rpm, till the engine heats like 2 to 5 minutes after starting the engine
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.
People seem to like Motul 7100 as a high performance option.
Mazda’s OEM 5w30 is a little too thin for my blood considering the engine temps when driving hard, fine if you’re going to never redline the car
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