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Premium Gas?

 
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crispy



Joined: 06 Nov 2012
Posts: 11

PostPosted: Thu Nov 29, 2012 7:18 pm    Post subject: Premium Gas? Reply with quote

Specs. say it needs premium gas. Anyone with a 2013 that can tell me if that is true?

The mileage increase (over my current SUV) is negated when you're spending $0.20 more a gallon...
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smj999smj
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Joined: 22 Jan 2012
Posts: 4791
Location: Prospect, VA

PostPosted: Thu Nov 29, 2012 9:48 pm    Post subject: Reply with quote

Are you sure it says "needs" or "requires" premium fuel, or does it say something a long the lines of "For maximum performance, use premium fuel." That is what they used on the R51 Pathfinders. VQ-series engines usually run perfectly fine on regular unleaded, but seem people do comment they notice slightly more power on premium fuel. I've used both on my VQ40DE and noticed no real difference in performance nor mileage, so I stick with regular unleaded.
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joeforman



Joined: 30 Nov 2012
Posts: 2
Location: Central, NJ

PostPosted: Fri Nov 30, 2012 10:19 am    Post subject: Reply with quote

According to the owners Manual on my 2013 it says Regular:

FUEL RECOMMENDATION
Use unleaded regular gasoline with an octane
rating of at least 87 AKI (Anti-Knock Index) number
(Research octane number 91).
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lawfarm



Joined: 03 Dec 2012
Posts: 8

PostPosted: Mon Dec 03, 2012 8:05 am    Post subject: Reply with quote

joeforman wrote:
According to the owners Manual on my 2013 it says Regular:

FUEL RECOMMENDATION
Use unleaded regular gasoline with an octane
rating of at least 87 AKI (Anti-Knock Index) number
(Research octane number 91).


Agreed. The Infiniti takes premium. The Nissan takes regular.
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DreamerzCC



Joined: 24 Mar 2011
Posts: 32
Location: Hoover, Alabama

PostPosted: Wed Jan 08, 2014 4:42 am    Post subject: Reply with quote

lawfarm wrote:
joeforman wrote:
According to the owners Manual on my 2013 it says Regular:

FUEL RECOMMENDATION
Use unleaded regular gasoline with an octane
rating of at least 87 AKI (Anti-Knock Index) number
(Research octane number 91).


Agreed. The Infiniti takes premium. The Nissan takes regular.


^^+1 on this......I use premium in mine and also in my Pathy. Xterra gets regular.
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ATB09



Joined: 27 Nov 2015
Posts: 1

PostPosted: Fri Nov 27, 2015 6:36 pm    Post subject: Reply with quote

I know this is digging up an old topic but the AKI number seems to differ from the Octane number. The owners manual on my 2014 states the same as above...and where I am I have 3 choices of octane:

87 Regular
89 Mid grade
93 Premium

The manual calls out minimum 91 octane...therefor I use Premium.
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smj999smj
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Joined: 22 Jan 2012
Posts: 4791
Location: Prospect, VA

PostPosted: Fri Nov 27, 2015 7:05 pm    Post subject: Reply with quote

What's listed on the gas pumps in the US and Canada is AKI, or, "anti knock index." It's a combination of Research Octane Number and Motor Octane Number. In many other countries, like most of Europe, the number posted on the gas pumps is the Research Octane Number.
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