- #361 of 391
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800 miles during x-mas
by sweendogy
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Jan 03, 2009 (12:32 pm)
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car has now 13k miles on it --its an 07 g35x --mpgs have kind of flatlined.. 2 fillups one premium for 1.79 a gallon then regular at 1.47 (thank you south jersey) the mpgs for the first tank were 22 mpgs-- now mind you this was going south from MA to NYC 200 miles at around 42 avg mph during a snow storm. -- second tank going at an avg of 60 on the way back from the POCONOS to BOSTON I got 24mpg.. on the highway this is a great driver-- city driving here in boston kills mpgs bigtime--i'm talking 12-15 mpg..
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- #362 of 391
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Re: 800 miles during x-mas [sweendogy]
by paulo6
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Jan 03, 2009 (3:09 pm)
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Replying to: sweendogy (Jan 03, 2009 12:32 pm)
Was this based on the trip computer readouts or your own calculations?
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- #363 of 391
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Re: 800 miles during x-mas [paulo6]
by sweendogy
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Jan 04, 2009 (11:18 am)
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Replying to: paulo6 (Jan 03, 2009 3:09 pm)
own calculations - i did use the computer to calculate the avg speed.
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- #364 of 391
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Re: 800 miles during x-mas [sweendogy]
by paulo6
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Jan 04, 2009 (2:06 pm)
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Replying to: sweendogy (Jan 04, 2009 11:18 am)
Do you know how well your own mpg calculations correlate to the trip computer calculations? Wondering how accurate the trip computer calculations are.
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- #365 of 391
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Re: 800 miles during x-mas [paulo6]
by sweendogy
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Jan 10, 2009 (3:26 pm)
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Replying to: paulo6 (Jan 04, 2009 2:06 pm)
the MPGS on the car computer are pretty close usually within .4 mpgs.. The only wish is the gas gauge would give a more accurate miles left on tank--i recently had the warning light go off --after driving another 20 miles -I filled up-- and was able to fill over 18 gallons of gas --so another 40-45 miles of highway driving.. This was not the first time. I think the warning light triggers with less then 4 gallons left inthe tank.. --ITs also pretty scary seeing "*****" on your nav screen--
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- #366 of 391
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Re: 800 miles during x-mas [sweendogy]
by paulo6
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Jan 10, 2009 (10:39 pm)
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Replying to: sweendogy (Jan 10, 2009 3:26 pm)
I know the last 30-40 miles TO GO disapear within 10 miles (or even less) usually and I get the scary ******. My car (08 G35Xs) has just over 3K on it and I struggle to get 17MPG on combined driving (mainly city). I still struggle to get to 20 when I am on HWY though. I am blaming cold weather and NEW car factor...will see what happens in summer. This triggered my Question regarding accuracy of trip computer.
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- #367 of 391
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Re: 800 miles during x-mas [paulo6]
by sweendogy
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Jan 12, 2009 (6:36 pm)
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Replying to: paulo6 (Jan 10, 2009 10:39 pm)
i have the 07 g35x -- from my Xperiance i would think your MPGS will go up as the car ages -- if you look at my past posts you'll see they have risen a bit. I do alot of city driving as well and thats where this car hurts you- i get 15 mpg in the city still. Highway driving -- on longer trips i engage the cruise and see mid to lower 20's at speeds above 75
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- #368 of 391
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Re: 800 miles during x-mas [sweendogy]
by paulo6
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Jan 12, 2009 (7:52 pm)
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Replying to: sweendogy (Jan 12, 2009 6:36 pm)
I am up to 3.5K miles on my car and today was the first "long" highway driving I've done in some time, and based on trip computer I have noticed a significant increase in MPGs already from 1000 miles ago...I was hitting low 20s
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- #369 of 391
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Re: 800 miles during x-mas [sweendogy]
by almatti
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Jan 21, 2009 (7:43 pm)
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Replying to: sweendogy (Jan 12, 2009 6:36 pm)
I have a 2007 G35x, AUTO, 15k on the clock. NY area. My experience is about the same reported generally here. 14-15 City ( little better in the warmer weather, a little worse with the Winter Blend gas). Best Highway mileage which did go up by maybe .5 MPG with useage is 24.5 on a 250 mile trip at Mass -65-75 MPH, cruies control when possible. I have found that the of course, with the very cold temps lately, and "winter Blend" gas, MPG in the City at 13MPG, without really hard driving. I do like to use the DS mode though. But as others have said on this thread and other forums, You don't get the G for mileage. This baby is meant to be "driven". I've owned and driven a lot of cars over 38 years [including Daddy's 1966 Chevy Impala Supersport, & later a 1972 Oldsmobile Delta 88 [I must say that was a good car]- Fords, Nissans, Mitsubishi, Subbies, Pontiacs, plus many other rental cars to numerous to mention, etc], this G35X is without a doubt the best car I've had overall for driveability, performance, reliability, and pure driving pleasure.
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- #370 of 391
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Unhappy Girl - I Should Have Bought a Honda
by trinbago1
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Jan 22, 2009 (5:05 am)
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I bought a 2008 GX and presently have a little over 300 miles on the car. I understand that the new factor and weather plays a role, but DAMN I am only getting about 12 MPG (if so much). I notice that I only get about 100 miles with 1/2 tank of gas.
My Jeep Grand Cherokee gave me better MPG...LOL.
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