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I took my 2017 QX60 to the dealer for an oil change at 20k and was informed that a new tech bulletin requires synthetic oil for all 2017 and later models. Previously, at their recommendation, I had been using non-synth and changing it every 5,000 miles. I suppose it ends up being cheaper as the synth only needs to be changed every 10,000 miles. That will probably mean one oil change a year for me.
 

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The QX60 calls for 0W20 (at least my 2015 does) which is a synthetic. So I’m confused by what your dealer is saying. They should have been using synthetic all along.

Note: There are 0W20 syn blends, albeit rare. Most are full synthetic.
 

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The 2017 could handle both types


That’s odd, I just pulled up a 2017 manual and it clearly says 0W-20. Again, this is a full synthetic. If your dealer has been using anything other than the specified oil, I.e. conventional oil, you have an issue.
 

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Just looked thru my dealer paperwork from the past 11 months and 7 oil changes each and every one was done in either a Nissan or an Infiniti dealership. Each one used 5w-30 multi grade next time I go in I’ll ask ?’s and report back. My Independent mechanic, a factory Nissan guy, has only used Nissan approved Ester oil in my wife’s G25 since new, 8-years. I looked thru all the manuals etc and agree with your 0-20 synthetic requirement.
 

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FWIW, my JX35 owners manual says 5W30.
I did go back and look and you are correct, the 2013 JX35 and 2014 QX60 specifies 5W30 in the manual. Starting in 2015 on, it specifies 0W20.
 

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FWIW, my JX35 owners manual says 5W30.
I did go back and look and you are correct, the 2013 JX35 and 2014 QX60 specifies 5W30 in the manual. Starting in 2015 on, it specifies 0W20.
Strange, wonder why Nissan changed their oil requirements. There was a slight bump in HP that new year. But still doesn't account for synthetic requirements.
 

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Strange, wonder why Nissan changed their oil requirements. There was a slight bump in HP that new year. But still doesn't account for synthetic requirements.
It's all about fuel consumption. 0W20 will net better MPGs (supposedly).

Honda did it too starting in 2012 or so. 5W30 to 0W20 in most all applications.

My guess is the tech advisory the OP mentions is advising them the 2015 up requirement for 0W20. It shouldn't be an up sell because that's what the manual is requiring. FWIW, I paid, on average, $40 for a 0W20 oil change at my Honda dealer for my Pilot and Accord.
 

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I did go back and look and you are correct, the 2013 JX35 and 2014 QX60 specifies 5W30 in the manual. Starting in 2015 on, it specifies 0W20.
Strange, wonder why Nissan changed their oil requirements. There was a slight bump in HP that new year. But still doesn't account for synthetic requirements.
I didn't think the 2015 had the HP bump? (It would be nice, though, as ours is a 2015...)
 

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Good point, so why require synthetic if nothing else changed? Maybe a corporate-wide switch for the same of simplification?
To up the MPG numbers.

2014 - 20 city / 26 highway
2015 - 2016 21 city / 27 highway

For reference the revised DI 3.5 numbers:
2017 - 2019 - 20 city / 27 highway
 

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Good point, so why require synthetic if nothing else changed? Maybe a corporate-wide switch for the same of simplification?
To up the MPG numbers.

2014 - 20 city / 26 highway
2015 - 2016 21 city / 27 highway

For reference the revised DI 3.5 numbers:
2017 - 2019 - 20 city / 27 highway
Interesting. If I switch to 0W-20, would I see an MPG increase as well?! BTW, 1 MPG is a 5% fuel economy increase (would be hard to measure myself).

Surprised low viscosity oil provides that much improvement.
 

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Interesting. If I switch to 0W-20, would I see an MPG increase as well?! BTW, 1 MPG is a 5% fuel economy increase (would be hard to measure myself).

Surprised low viscosity oil provides that much improvement.
haha this is a good point! I looked at the numbers comparing 20 and 21 mpg, and found that to be a pretty useless and meaningless increase, but in reality that is actually a simple 5% increase, which on a larger scale is actually tangible and significant, even if looking at it differently it only appears to be 1 mpg increase!
 
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