Mazda CX-9 This larger SUV adds a V6 option, as well as more cargo room, to the CX-7 option.

2016 Cx-9 Oil and Filters

Old 03-02-2017, 09:51 AM
Junior Member
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Join Date: Sep 2016
Location: NJ
Posts: 3
Default 2016 Cx-9 Oil and Filters

Hi Guys,

I own a CX-9 since June 2016, I love the car, mileage..
I have few questions maybe someone can help.
I usually do the car maintenance by myself, but not for this car until I have changed the oil at the dealer, they charged me 29$ for it.
I realized that they use the cheapest possible oil, therefore 1000 miles later I have changed the oil and filter by myself using Mobil 1 oil and filter, Full Syntetic 5W-30.

Do you guys think is ok to use 0w-30 instead 5W-30 especially during the winter (I live in the North East) ?

Did anyone found the engine air filter (my car has 13k already, being a Turbo, I would like to replace the filter more often) ?
I could find only the K&N for it, I have dig deeper and I realized that the CX-9 uses the same air filter as the Mazdas diesel engines in Europe.

Last edited by cipi; 03-02-2017 at 10:00 AM.
Old 03-02-2017, 09:59 AM
shipo's Avatar
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Join Date: Nov 2008
Location: southern New Hampshire
Posts: 2,359

Quick answer, 0W-30 is ALWAYS preferable compared to 5W-30 (better stability due to better base stocks).

I am curious though, I have been under the impression Mazda calls for 0W-20 for all of their piston engines for the last few years; does your CX-9 actually call for 5W-30?

I just checked, and sure enough, Mazda calls for 5W-30 for the CX-9; learn something new every day. Were I in your shoes, I'd opt for a top quality 0W-30 and call it a day.

Last edited by shipo; 03-02-2017 at 10:02 AM.
Old 03-02-2017, 11:51 PM
Join Date: Jun 2016
Location: Washington, the state
Posts: 86

WIX doesn't yet show an air filter. Might as well use Mazda air filters until WIX and other aftermarket filter makers reverse engineer the filter for our cars. I would not use a K&N.
Old 04-02-2017, 09:20 PM
Yoo is offline
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Join Date: Feb 2017
Location: Northbrook
Posts: 10

How much are you guys paying for synthetic oil change in your area including shop fee and other fees they charge?
Old 04-07-2017, 05:50 PM
Join Date: Aug 2016
Location: Chandler, Arizona
Posts: 36

It's ~ $60 in Phoenix, I usually get mine done at Tire Pros.
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