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Honda Civic Hybrid MPG-Real World Numbers

475 messages,  Last post on Dec 04, 2009 at 3:11 PM

You are in the Honda Civic Hybrid Forum. Your Host is pf_flyer

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


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#421 of 475
Tires and mileage by steversk
Oct 03, 2008 (11:14 am)
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I got new tires last month. As expected the mileage dropped. As per my previous post I had been averaging 53 mpg. I am now averaging 47 mpg on the last 6 tanks of gas. Hopefully as the tires wear the mileage will go back up. I bought better tires that will hopefully last longer than the original tires (only 17,000 miles). Alot of my commute is through canyon roads, and it has always been tough on tires on any car we've had.
#422 of 475
Press request by KarenS HOST
Oct 23, 2008 (4:24 pm)
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A large national newspaper would like to speak with consumers who have purchased a hybrid within the past year or two. If you have a hybrid, please respond to jwahledmunds.com with your daytime contact information and what hybrid vehicle you own no later than October 30.
#423 of 475
MPG at 3300 miles by monkeybaronjr
Nov 02, 2008 (9:00 am)
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Hey all,
 
Since I regularly followed this forum before purchasing my 2008 HCH, I figured I'd post my mileage. After 3300 miles, I'm averaging right about 50 mpg (low - 47.1mpg, high - 52.9mpg). My commute is 95% highway speeds and about 45 miles roundtrip. It is mostly flat with the occasional rolling hills. I inlfated my stock tires to 42-44 psi as soon as I got it. I live in San Antonio so the climate control is usually set at 73 deg with the windows up unless I'm cruising the neighborhood. Overall, I am very impressed with the mileage and I'm still getting used to the optimal way to drive it, so I expect my mileage to increase over time. my only complaint is a relative lack of power when merging onto the highway. Otherwise I've had zero problems. The sound system is not as good as my RDX's (as expected) but adequate and the Aux input is a nice bonus.
#424 of 475
Re: MPG at 3300 miles [monkeybaronjr] by tigerhonaker
Nov 02, 2008 (9:05 am)
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Replying to: monkeybaronjr (Nov 02, 2008 9:00 am)

Nice Job............
 
tigerhonaker
#425 of 475
Gas mileage decreased after tire control arm fix by mateo
Jan 19, 2009 (7:29 am)
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As I approached approximately 10,000 miles on my 2008 Honda Civic Hybrid, I was hearing loud road noise. The dealer determined that all four tires were cupped due to problem with the tire control arms. The arms were replaced, I was given four new tires (same brand, Dunlop, and size as before), and I received a four wheel alignment. The road noise has disappeared but my gas mileage, according to the dash indicator, has dropped significantly, five or more mpg in town and highway. Any similiar experiences or theories?
#426 of 475
Re: Gas mileage decreased after tire control arm fix [mateo] by ttenpenny
Feb 03, 2009 (9:42 am)
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Replying to: mateo (Jan 19, 2009 7:29 am)

I drive my 2008 hybrid a good bit and had just over 17k in about 7 months. I had the same tire noise. I initially took the car in and they told me I needed control arms, alignment and tires. Unlike your description of "gave you tires", they wanted over $320 from me for tires. I did not get the tires at the time and called Honda to complain. They apparently recognized the control arm problem in 2006 but did not fix it on the Hybrid. Honda eventually agreed to cover all but $100 of the new tires. I just got them today. I got the control arms last week and my gas mileage seemed to improve. Now that I have new tires and control arms, I will find out what happens.
#427 of 475
Mileage problems by mike123
Apr 23, 2009 (11:54 am)
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Bought a 2009 HCH in 4/09. I've been hypermiling, with my dash gauges indicating 45 MPG highway, about 39 city. The lowest reading was 38. I just gassed up the car to compare actual miles driven to fuel consumed, as I always do with every fill up. I'm getting an average of 18.75 MPG according to real world math. My dash gauge, which I monitor religiously, has been dramatically overstating my mileage. My last 150 miles traveled was all smooth highway. I aced the gauges, maximizing every drop of fuel according to my dash display. I stopped to gas up, just to see the real numbers. The car took 8 gallons of gas for 150 miles. 150/8 =18.75 mpg., yet my digital MPG gauge consistently read 45 mpg. Any ideas ??
#428 of 475
Re: Mileage problems [mike123] by davem7
May 10, 2009 (5:46 pm)
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Replying to: mike123 (Apr 23, 2009 11:54 am)

I've owned both a 2006 and 2008 HCH and have found the digital mpg tripmeter consistently is 1-2mph below my manual calucations, i.e. if the tripmeter reads 51mpg the manual calculation will be 52-53mpg.
 
I can't overemphasize the importance of filling the gas tank to the same exact level on each fill up. Typically after the auto shut off engages I can squeeze in another 1.5-2 gallons of fuel. In places like NJ where self service gas stations are prohibited by law, chances are the attendant will only squeeze in another 1/2 gallon after the shut off engages. Then when you cap it at a self service station, your manual calculation will be skewed by the additional l-1.5 gallon you put in.
 
It takes about two additional minutes to cap the tank but it is the best way I know of to establish the true mpg figure.
#429 of 475
Re: Mileage problems [davem7] by mrwaug
May 11, 2009 (5:47 am)
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Replying to: davem7 (May 10, 2009 5:46 pm)

Be carefull topping of the tank like that. It can caue the evaperative emissions canister to become flooded with raw fuel, whick in turn will be drawn into the engine during the purge cycle, causing the ECM to have to make drastic fuel trim adjustments to compensate for the excessive fuel. I believe the owners manual states to fill the tank on a slower setting and to not top off.
#430 of 475
Topping off by sr146260211
May 17, 2009 (4:16 am)
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I, myself go to the same station and the same pump and fill until the first click and that's it, never over fill or top off. Do same next time, then take the reading for mileage.

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