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Honda Civic GX Fuel Mileage

38 messages,  Last post on Jul 22, 2009 at 11:15 AM

You are in the Honda Civic GX (natural gas) Forum. Your Host is pf_flyer

What is this discussion about? Honda Civic, Fuel Efficiency (MPG), Sedan


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#9 of 38
Re: 2006 GX Fuel Milage [lakewood90712] by bank1avp
May 24, 2007 (4:43 pm)
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Replying to: lakewood90712 (May 24, 2007 5:24 am)

For 1998 to 2005 once the fuel light comes on you have exactly 1 GGE left. Getting 40 mpg in an 05 or older is not uncommon. The fuel light will come on at 200 miles and it will go bone dry at 240. I know I've done it just to test it.
 
Murphy
#11 of 38
5-10 more mpg in your gx by hondagxsales
Jul 01, 2007 (10:15 pm)
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Recent discussions with my Service Dept has led me to come to the conclusion that running the "Low Rolling Resistance" tires supplied on the Hybrid should yield 5-10 more miles per gallon. In addition they should reduce road noise. I was wondering if anyone had tried this tactic to up their mileage?
Curtis
#12 of 38
Re: 2006 GX Fuel Mileage [adea] by d_link
Jul 05, 2007 (8:37 am)
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Replying to: adea (May 23, 2007 8:11 pm)

We have owned a '98 GX since new in Dec. 1998. We now have 74,000 miles on it and never a problem, but none of the stations in our area offer anything higher than 3,000 psi (a new PG&E 24-hour pump was supposed to open in January 07, but is still sitting unused, waiting for regulatory approval). Installing an additional tank would give us the added range that would reduce the only negative that we have with our car.
 
How much did the additional tank cost?
Where is it installed?
Did you alter the original tank?
How many gge are you now able to fill?
 
Thanks for your reply.
#13 of 38
Re: 5-10 more mpg in your gx by jetboatjohnny
Jul 05, 2007 (1:18 pm)
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Replying to: hondagxsales (Jul 01, 2007 10:15 pm)

Curtis, 5-10 mpg???
I dont think so, maybe 5-10% better mileage.
For 5-10 mpg, everyone would be using those tires!
J
#14 of 38
Re: 5-10 more mpg in your gx [jetboatjohnny] by epnfrn
Jul 05, 2007 (1:37 pm)
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Replying to: jetboatjohnny (Jul 05, 2007 1:18 pm)

i agree with J-B-J ... that would be a 12.5-25% increase in MPG. given that the GX is no sports car, i would imagine the tires it has are fairly similar, in a rolling resistance sense, to the hybrid. perhaps some gain, but to get 5-10mpg, you'd need tires 1/2 the width. i'd love it if you prove us wrong though
 
epi
#15 of 38
Re: 5-10 more mpg in your gx [epnfrn] by pf_flyer HOST
Jul 05, 2007 (2:34 pm)
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Replying to: epnfrn (Jul 05, 2007 1:37 pm)

I've only known one person who put low rolling resistance tires on their hybrid. They do indeed improve your mileage, but the tradeoff is traction and cornering performance. They had them on two weeks and had them taken off because they didn't feel safe with them on.
 
Their definition of unsafe probably varies from mine, but I certainly believe there would be a tradeoff since rolling resistance basically IS traction.
 
As with everything (pun alert)... your mileage may vary!
#16 of 38
Re: 2006 GX Fuel Mileage [d_link] by adea
Jul 05, 2007 (4:30 pm)
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Replying to: d_link (Jul 05, 2007 8:37 am)

d_link...I had the extra tank installed in the backseat in Mesa, AZ...they left the back part and just took out the seat bottom and then built a nice carpeted shelf over the extra tank. The original and the extra one are hosed together and act as one tank, so I now I have an actual 13 gallons (including the amount after the light goes on (always at least 50 miles)...12.5 gge is the most so far but it has never been empty...it cost $800 installed + $225 for the carpeted wooden cover...they will also put an extra 5 gge (4 actual) in your trunk for $750 installed. Just so you can get a comparison, there is another guy in Phoenix that puts an extra 2.8 gge in your trunk for $1400 + tax!
adea
adea
#17 of 38
Re: 2006 GX Fuel Mileage [d_link] by ses_209
Jul 22, 2007 (7:12 pm)
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Replying to: d_link (Jul 05, 2007 8:37 am)

What area do you live in for PG&E Gas that is limited to only 3000psi??
#18 of 38
Re: 2006 GX Fuel Mileage [ses_209] by epnfrn
Jul 22, 2007 (8:05 pm)
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Replying to: ses_209 (Jul 22, 2007 7:12 pm)

actually, in northern CA, most PG&E are 3000. only two that i know of around here at 3600 are in SF. i spoke to their rep recently, and he said they intend to convert a few here and there to 3600 over the next few years.
 
epi

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