Oil filter VALVOLINE or OEM Mazda
YES! My 2012 Skyactiv is at 233K miles, and has always had the Mazda Moly 0W-20 (with the exception where I was able to get the Idemitsu version, which is the same stuff, but without Mazda's markup. Sucks that it isn't available anymore. ) and I'm not about to chance running a different oil.
Always run a Mazda filter too. The quality seems better than most.
I use OEM Mazda filter. Synthetic oil, Kirkland brand or Castrol since i think thats who makes the Mazda oil.
Go on Groupon and look for shops in your area. I get coupons for Valvoline and they’ve always been good to me. I save a good bit as well!
I just put Valvoline full synthetic high mileage 5w-20 with a motorcraft filter in my 2011, and it runs so smooth now. I used to have some noise on startup but nothing now.
$0 because e-Tron however, on the A5 2.0T; I’m paying $50 for oil (Valvoline full synth) and $16 for the oil filter…but I own all the tools and use my employee discount.
I personally do an old and filter every 6-7000 km. I do it so frequently because, 1) I do it myself, so cost is down and I make sure the job is done right. 2) the sky active engines are known for carbon buildup, so more frequent oil changes should help. 3) Longevity, I want to see 300,000 or more on the dash one day.
People like me on the other hand are going for synthetic oil and Mazda OEM filters but still need to get an oil change at 5000 miles.
An oil change with decent full synthetic is 30-40$ for 5 quarts + OEM filter for another 5-10$. It's relatively cheap to do every 6-8 months to know it always has decent oil, and no problems should arise.
The Miata is pretty easy to work on. But ironically, one of the simplest jobs is a major PITA, changing the oil filter The thing is buried underneath the intake manifold.
The "valvoline" brand ones are pretty shit.
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