G37 Sedan

what does your fuel econ avg say?

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Old 11-03-2011, 12:22 PM
  #61  
tharbemiko
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85% highway and 15% city = 20.4 mpg...not exactly proud of my mpg
Old 11-03-2011, 02:10 PM
  #62  
irrelevant
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2009 G37X

22 m.p.g. with 60% urban interstate / 40% city. High of 28 m.p.g. on seven hour interstate round trip.

I really have to shake my head at some of the expectations I read in threads like this. Yes, it's a V-6 - but it produces 330 normally-aspirated horsepower. No turbocharger maintenance hassles help offset the additional fuel burn.

I'd suggest anyone who doesn't like the gas mileage should trade their G37's in for G25's or Honda Civics. This isn't an economy car...it's a performance sedan. If one can truly afford to drive a $30k - $40K car, gas mileage shouldn't be an economic issue.

Personally, for what it is, I think the G gets phenomenal gas mileage. After all, we're discussing a car that can run the 1/4 mile in the mid to low 13's...quicker than a 1970 Hemi Cuda that got 10 m.p.g. on a good day. It'll also turn a corner without scraping the door handles.
Old 11-03-2011, 09:22 PM
  #63  
eksigned
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Originally Posted by rpm&my_G35
I always get 26 mpg if its 100% freeway driving, at ~70mph, with no extra weight. If I slow down to cruising at 55mph I jump to 28mpg. The only way to measure it though, is get up to cruising speed, reset the car fuel economy display. I trust what the car calculates. I compared it to my manual calcs for nearly a year when I had my X and it was always with 0.2.
i'm beginning to think it has to do with the freeways here -- i'm assuming yours are FLAT? we have stupid INCLINES between myself and Seattle. retarded.
Old 11-04-2011, 12:24 AM
  #64  
firstinfiniti
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Originally Posted by irrelevant
2009 G37X

22 m.p.g. with 60% urban interstate / 40% city. High of 28 m.p.g. on seven hour interstate round trip.

I really have to shake my head at some of the expectations I read in threads like this. Yes, it's a V-6 - but it produces 330 normally-aspirated horsepower. No turbocharger maintenance hassles help offset the additional fuel burn.

I'd suggest anyone who doesn't like the gas mileage should trade their G37's in for G25's or Honda Civics. This isn't an economy car...it's a performance sedan. If one can truly afford to drive a $30k - $40K car, gas mileage shouldn't be an economic issue.

Personally, for what it is, I think the G gets phenomenal gas mileage. After all, we're discussing a car that can run the 1/4 mile in the mid to low 13's...quicker than a 1970 Hemi Cuda that got 10 m.p.g. on a good day. It'll also turn a corner without scraping the door handles.
Just because it a "performance sedan" doesnt mean it can have ****ty gas mileage. My friend has a TL SH-AWD which gets 23, which is quite a bit heavier than my G. Another buddy gets 22 in his 535i. I have a G25 as well, which averages 21.6....pretty low for a little 2.5 litre. V-8s from chevy and ford have better economy numbers. Fact is, Infiniti needs to step its game up.
Old 11-04-2011, 02:50 AM
  #65  
DadsTaxi
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I'm getting around 22 with a 60/40 mix of urban highway to city.

Nissan has never been known for building economical engines among Honda and Toyota. I certainly wouldn't turn down better mileage, but only as long as the performance stays the same. I didn't buy this car for economy!!!
Old 11-04-2011, 04:58 AM
  #66  
Ibanez540r
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Mine has been going down quite a bit lately. I was averaging 19-21 with, I don't know, 40 highway 60 city (by city I mean 35-45mph roads). Now, I've been lucky to stay in the 18s, more often in the 17s.
Old 11-04-2011, 04:59 AM
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6mtg37s
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mine says 16, like 70% city and 30% highway
Old 11-04-2011, 09:27 AM
  #68  
WannabeSport
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I average 19.0 on my last take about 80% city, 20% highway. Had a heavier foot too.. 08 6MT with 41k.
Old 11-04-2011, 10:27 AM
  #69  
GXXXV X
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12.1 here... not proud of it but im not complaining ...especially considering its not the car that's the problem....its my foot :P and 95% city driving
Old 11-04-2011, 11:00 PM
  #70  
zoner
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Little off-topic but I drove a rented Sonata today and mileage is unbelievable. Drove 85+ (some 90) for two hours today in New Mexico (not flat) and got 36mpg. I usually get about 18 if heavy suburban and 22 in mixed hwy and suburban with my G.
Old 11-04-2011, 11:24 PM
  #71  
Coprolite
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Originally Posted by Ibanez540r
Mine has been going down quite a bit lately. I was averaging 19-21 with, I don't know, 40 highway 60 city (by city I mean 35-45mph roads). Now, I've been lucky to stay in the 18s, more often in the 17s.
Check you tire pressure recently? Might be good to see what variable has changed. Winter gas just started in Sept....
Old 11-04-2011, 11:30 PM
  #72  
Ibanez540r
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Originally Posted by Coprolite
Check you tire pressure recently? Might be good to see what variable has changed. Winter gas just started in Sept....
Yes actually. Just put them all to 34psi AND cleaned my air filters. ...I was thinking the winter gas as well. This tank is at 16.9
Old 11-04-2011, 11:40 PM
  #73  
financeman
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Drove 400 miles today to Kansas City and back - drove 82mph - averaged 23.6mpg. Was 25 degrees this morning which seemed to reduce mileage. 2010 G37x
Old 11-05-2011, 01:17 AM
  #74  
ShyAznB8oi
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It says.. 15.9 mpg, I don't know if it's lying or not.
Old 11-05-2011, 01:22 AM
  #75  
Itchytoe
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Just got bored and took the car for a drive. 58 miles averaging 68.8 MPH and got 27.1 MPG. 100% highway miles with the cruise set and about 4 people slowing down infront of me so the car dropped my set speed a few mph for about a minute each time.


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