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0W-20 Mazda v. Castrol v others #4530972
10/01/17 09:20 AM
10/01/17 09:20 AM
Joined: Mar 2011
Posts: 2,197
Indiana
Indydriver Offline OP
Indydriver  Offline OP
Joined: Mar 2011
Posts: 2,197
Indiana
Just helped my daughter buy a 2017 Mazda CX-3 which specs 0W-20 and I will be changing the oil. This is my third 0W-20 car so I have a fair amount of experience with Honda Genuine, TGMO and AFE, with the latter two being my oils of choice.

Mazda owner's manual says to use Mazda brand or Castrol. I have no experience with either of these. IIRC, The Mazda oil was highly regarded when it came out for its VI and high moly content. After a bit of Googling, it seems the Mazda oil is only available through its dealers. I'm going to assume they won't retail at a competitive price but I've got an email into my Parts Manager and if you know of a good mail order source, by all means let's hear about it. What about the Castrol? Edge is $3 higher than AFE at the Mart. I would assume this is a high quality oil but haven't studied up on it.

Thanks in advance for the input.

Last edited by Indydriver; 10/01/17 09:26 AM.

2014 Camaro 2SS/RS LS3 Vert 14,000 M1
2012 Sienna 79,000 M1
2007 Tahoe 140,000 PP

Re: 0W-20 Mazda v. Castrol v others [Re: Indydriver] #4530981
10/01/17 09:27 AM
10/01/17 09:27 AM
Joined: Oct 2014
Posts: 11,827
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 11,827
Idaho
Oil is oil .


"Don't let your preconceived notions get in the way of facts."
Geoff Metcalf
Re: 0W-20 Mazda v. Castrol v others [Re: Indydriver] #4530989
10/01/17 09:35 AM
10/01/17 09:35 AM
Joined: Mar 2013
Posts: 4,756
The Midwest
skyactiv Offline
skyactiv  Offline
Joined: Mar 2013
Posts: 4,756
The Midwest
Unless you wanna RE-RING the engine at 486,249 miles, I highly suggest you stick to the OEM oil.


Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual
Re: 0W-20 Mazda v. Castrol v others [Re: Indydriver] #4530991
10/01/17 09:35 AM
10/01/17 09:35 AM
Joined: Jun 2016
Posts: 2,967
MN
oil_film_movies Offline
oil_film_movies  Offline
Joined: Jun 2016
Posts: 2,967
MN
One local Mazda dealer offered the Genuine Mazda 0w20 for $7 per quart, and it was the best deal I could get on it to break-in a Ford engine (all that moly). Call around I guess is the best one can do.
You could just go with Mobil1's great rebate, use their Mobil1 EP 0w20 from Walmart, take the rebate ( https://mobiloil.com/en/promotion/mobil-promotions ) , and then add some LM MOS2 (Amazon or NAPA autoparts) during break-in.

CX-3 is sa-weet! Mazda really has their act together. Top-rated models across their lineup.
She should let you drive it, and report back what you think.

Re: 0W-20 Mazda v. Castrol v others [Re: Indydriver] #4530998
10/01/17 09:39 AM
10/01/17 09:39 AM
Joined: Mar 2017
Posts: 5,394
Soviet State of Washington
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 5,394
Soviet State of Washington
Congrats on the new CX-3. That is a sharp looking vehicle that your daughter will enjoy.

Car companies always recommend a brand of oil because they get paid for doing so. Castrol wrote a nice check to Mazda for that advertising. With that said, Castrol is a good oil. The Mazda oil is harder to get and pricier. You also mentioned Mobil 1 AFE which is another very good oil. It's also available everywhere including Wal-Mart where the prices are the best. Mobil offers mail in rebates at times which would be helpful in a tight budget.

You can use any major brand of oil in 0w-20 and be fine. If I had to pick one personally, it would be the AFE.


2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter

Re: 0W-20 Mazda v. Castrol v others [Re: Indydriver] #4531021
10/01/17 09:56 AM
10/01/17 09:56 AM
Joined: Feb 2008
Posts: 4,727
Texas
FZ1 Offline
FZ1  Offline
Joined: Feb 2008
Posts: 4,727
Texas
Dexos 2 AFE at your local WM.

Re: 0W-20 Mazda v. Castrol v others [Re: CT8] #4531032
10/01/17 10:10 AM
10/01/17 10:10 AM
Joined: Mar 2011
Posts: 2,197
Indiana
Indydriver Offline OP
Indydriver  Offline OP
Joined: Mar 2011
Posts: 2,197
Indiana
Originally Posted By: CT8
Oil is oil .
Originally Posted By: skyactiv
Unless you wanna RE-RING the engine at 486,249 miles, I highly suggest you stick to the OEM oil.

Thanks for stopping by.


2014 Camaro 2SS/RS LS3 Vert 14,000 M1
2012 Sienna 79,000 M1
2007 Tahoe 140,000 PP

Re: 0W-20 Mazda v. Castrol v others [Re: PimTac] #4531040
10/01/17 10:17 AM
10/01/17 10:17 AM
Joined: Mar 2011
Posts: 2,197
Indiana
Indydriver Offline OP
Indydriver  Offline OP
Joined: Mar 2011
Posts: 2,197
Indiana
Originally Posted By: oil_film_movies

CX-3 is sa-weet! Mazda really has their act together. Top-rated models across their lineup.
She should let you drive it, and report back what you think.
Originally Posted By: PimTac
Congrats on the new CX-3. That is a sharp looking vehicle that your daughter will enjoy.

Thanks. I appreciate Mazda vehicles having owned a 2008 Mazdaspeed3 which I loved. My daughter wanted to go small so the CX-3 won out over the 5 (plus, obviously, it's cheaper). In the very brief test drives we took, my impressions are: nice interior, stiff ride, very small rear seat and cargo areas but I fit in front OK at 6'-5" and 300 lbs.

BTW, if anyone is in the market for one of these, great deals are to be had on leftover '17s. This CX-3 was advertised as $1000 below invoice plus a $1500 Mazda rebate. I got that and another $700 off plus "doc fee" reduced from $199 to $0. So, very happy with the car and the deal.

Last edited by Indydriver; 10/01/17 10:20 AM.

2014 Camaro 2SS/RS LS3 Vert 14,000 M1
2012 Sienna 79,000 M1
2007 Tahoe 140,000 PP

Re: 0W-20 Mazda v. Castrol v others [Re: Indydriver] #4531043
10/01/17 10:19 AM
10/01/17 10:19 AM
Joined: Mar 2012
Posts: 1,277
San Antonio, TX
E150GT Offline
E150GT  Offline
Joined: Mar 2012
Posts: 1,277
San Antonio, TX
I was paying $8.60 a quart at my local dealer for Mazda oil. My engine consumes oil quite readily so I quit using it and now use valvoline sun power from Walmart


1984 Mercedes-Benz 300SD - 100k
1995 F150 XL 4.9 reg cab 5MT - 251k 5w30
2016 Mazda6 Touring 6MT - 57k 10w30
2006 Buick Lucerne CXL 3.8 31k 5w30
Re: 0W-20 Mazda v. Castrol v others [Re: E150GT] #4531044
10/01/17 10:27 AM
10/01/17 10:27 AM
Joined: Mar 2011
Posts: 2,197
Indiana
Indydriver Offline OP
Indydriver  Offline OP
Joined: Mar 2011
Posts: 2,197
Indiana
Yeah, that kind of dealer price is what I've been concerned about and absolutely will not pay. My strategy is to go to the Parts Manager where I bought the car and see what he'll do on a "bulk buy" of a couple cases of oil 5-6 oil filters, an air filter a cabin filter. You know, bring him a couple hundred bucks of take-it-or-leave-it business.

As far as using the recommended oil is concerned, this car has recommended OCIs of 7500-10,000 miles so it will be a once per year deal. I used to work as a manufacturer's warranty claims investigator so maybe have a higher appreciation for the rules than most. If the dealer can't sell Mazda oil for $5/qt, I can stomach stocking three changes worth of Castrol. I have found Mazda OE oil filters online for $4.75.


2014 Camaro 2SS/RS LS3 Vert 14,000 M1
2012 Sienna 79,000 M1
2007 Tahoe 140,000 PP

Re: 0W-20 Mazda v. Castrol v others [Re: Indydriver] #4531054
10/01/17 10:36 AM
10/01/17 10:36 AM
Joined: Mar 2008
Posts: 6,803
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 6,803
USA
M1 is also cheaper than Castrol at AAP this month. $30 for the 5 quarts and the M1 filter. And you can buy individual quarts rather than the big jug.

There's also Castrol Magnatec, which WM carries for under $20 for the 5qt jug smile

Re: 0W-20 Mazda v. Castrol v others [Re: Indydriver] #4531058
10/01/17 10:43 AM
10/01/17 10:43 AM
Joined: Mar 2017
Posts: 5,394
Soviet State of Washington
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 5,394
Soviet State of Washington
Keep an eye and a nose out for any fuel dilution in the oil which happened with GDI engines. I probably would not go 10k on the oci. Instead, 5k and check the first time and if it seems fine then 7500. Ideally a uoa would be run and with a lab that measures fuel dilution with the better method. Polaris is mentioned as one.


2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter

Re: 0W-20 Mazda v. Castrol v others [Re: Indydriver] #4531063
10/01/17 10:53 AM
10/01/17 10:53 AM
Joined: Jan 2009
Posts: 2,377
wi
dave123 Offline
dave123  Offline
Joined: Jan 2009
Posts: 2,377
wi
100k now on my sky 3 2.0 all M1 0w20 never burns drop and pristine clean inside I think I'll stick with it.

Re: 0W-20 Mazda v. Castrol v others [Re: Indydriver] #4531079
10/01/17 11:22 AM
10/01/17 11:22 AM
Joined: Aug 2004
Posts: 1,947
5600 feet elevation, Arizona
double vanos Offline
double vanos  Offline
Joined: Aug 2004
Posts: 1,947
5600 feet elevation, Arizona
Dave 123: how do you like your 3? Wouldn’t mind having a base 3 with the 2.0 and manual trans, and they are reasonably priced. Only concern I have is it’s ability to drive 80 mph for hours on end as I still visit my dad in Houston and I-10 is 80 mph most of the way...


Sabine Schmitz is the Queen of the 'Ring; Svetlana Kapanina is the Queen of the SKIES...
Re: 0W-20 Mazda v. Castrol v others [Re: Indydriver] #4531088
10/01/17 11:33 AM
10/01/17 11:33 AM
Joined: Jan 2009
Posts: 2,377
wi
dave123 Offline
dave123  Offline
Joined: Jan 2009
Posts: 2,377
wi
My sky 3 with auto wife drives it in traffic everyday at 75 to 80 not a problem at all solid. Sky technology I believe is the absolute best out on market and only technology I will buy in future love it. Side note trans has not been touched yet and at now over 100k shifts like new I might not ever change it.

Last edited by dave123; 10/01/17 11:33 AM.
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