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Honda CR-V Real World MPG

786 messages,  Last post on Nov 26, 2009 at 3:53 AM

You are in the Honda CR-V Forum. Your Hosts are steve_ & tidester

What is this discussion about? Honda CR-V, Fuel Efficiency (MPG), SUV

Your Community Leader is varmint.


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#298 of 786
Re: MPG update on my new 2006 [thestormer] by lzc
Dec 22, 2006 (3:52 pm)
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Replying to: thestormer (Dec 22, 2006 1:10 pm)

I think the point that partial fills will result in less accurate mileage readings has to do with the likely variations in the "fill point" between different fill ups. Those variations matter less when you average them over 12 gallons rather than, say, 4.
 
I just filled my new CR-V (1500 miles) today. My driving of late has been during cold-weather (25 to 45 degrees) and consisted of mostly very short, 3-4 mile trips. A nasty test of CR-V mileage, I'd say. The dash readout and my math reached identical results, 22.6 mpg. This mileage is terrible compared to our other car, a hybrid Camry, so I drive to maximize mileage.
 
On a 900 mile freeway trip, I was able to match the hwy rating of 28 mpg by staying around 70 mph. Good luck.
#299 of 786
Re: MPG update on my new 2006 [thestormer] by greenteacrv
Dec 22, 2006 (4:04 pm)
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Replying to: thestormer (Dec 22, 2006 3:44 pm)

thestormer,
 
  I agree that the gas mileage on the CRVs is not great....our 2005 Altima 3.5 with 250HP is 23-24MPG locally and 28-30MPG on a trip and that car rips!! It also weighs only about 250 lbs less than the CRV. I also own a '04 Honda ST1300 sport touring motorcycle and the MPG is 10-20% less in the winter while using the winter blends gasoline....I am hoping the CRV does better with a few miles on it and when the gasoline is not the winter blend.
 
Dennis
#300 of 786
Re: MPG update on my new 2006 [lzc] by thestormer
Dec 22, 2006 (4:36 pm)
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Replying to: lzc (Dec 22, 2006 3:52 pm)

You are posing the same argument as others and I still don't agree that "partial" fill-ups affect MPG in any significant manner, if at all.
 
Hypothetical example: Every time I fill up, I get 5.000 gallons. In a previous example, a 2/10 gallon error would indicate I'm actually getting 4.800 or 5.200 gallons. This might affect the MPG in a very small manner on EACH fill-up (1 MPG or less), but over time, the MPG will NOT be affected in any negligible manner (+/-0.01 MPG at 8358 miles).
 
The best method I can think of to calculate MPG is to take the overall miles driven and divide that number by the total number of gallons put into the car. Any so-called "errors" will average out in the long run, so I just can't understand how that can be held as a valid argument.
 
Again, I only listed my preliminary numbers as just that: preliminary. I know that my average MPG will change over time, but changing from my current numbers to the Honda numbers seems like quite a stretch.
 
Even if I agreed with the "partial fill" argument, I don't understand the large discrepancy in numbers. Any "variation" in fill points does not explain why my numbers are so much lower than 1) Honda's claims and 2) others' averages.
 
If my averages, so far, were 21/26, I wouldn't be disappointed. I'd actually be pretty happy. Instead, my numbers are 15.8/22.1. So, I don't understand how any slight "variation" in fill points can account for a difference of 5 MPG.
 
**So, again, I'm getting a lower/LOW MPG because I fill-up before my tank is empty?
#301 of 786
Re: MPG update on my new 2006 [greenteacrv] by thestormer
Dec 22, 2006 (4:40 pm)
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Replying to: greenteacrv (Dec 22, 2006 4:04 pm)

Whether or not the numbers are "great", my problem is the drastic difference between my numbers and those that others are getting, and what Honda claims.
 
My 2005 EX got terrible gas mileage as well and I drove that year-round. I looked at my spreadsheet and there was no significant variation in MPG from one season to the next. So the winter blend really didn't have a huge impact on my numbers.
#302 of 786
Re: MPG update on my new 2006 [thestormer] by tidester HOST
Dec 22, 2006 (4:46 pm)
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Replying to: thestormer (Dec 22, 2006 4:36 pm)

The best method I can think of to calculate MPG is to take the overall miles driven and divide that number by the total number of gallons put into the car.
 
I agree. However, one must be fastidious in recording the data!
 
tidester, host
#303 of 786
Re: MPG update on my new 2006 [tidester] by thestormer
Dec 22, 2006 (4:53 pm)
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Replying to: tidester (Dec 22, 2006 4:46 pm)

LOL!!!
 
Every time I get gas, I get a receipt and write the odometer reading on it. I then enter the info into a spreadsheet. I get the MPG per fill-up and the overall MPG since I got the car.
#304 of 786
Re: MPG update on my new 2006 [thestormer] by tidester HOST
Dec 22, 2006 (4:58 pm)
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Replying to: thestormer (Dec 22, 2006 4:53 pm)

I just hope you don't report your mileage to 10 decimal places like some people I know! (I'm not naming names, though.)
 
tidester, host
#305 of 786
Re: MPG update on my new 2006 [tidester] by steve_ HOST
Dec 22, 2006 (5:15 pm)
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Replying to: tidester (Dec 22, 2006 4:58 pm)

I've cut back to three decimal points (filled up the Outback today with 10.003 gallons on the pump readout).
 
Btw, for consistency, I try to call it full when the automatic pump first clicks off (although it hard to resist the temptation to cram another quarter's worth of gas in there). That'll help avoid check engine lights too since there's less risk of getting gas or vapors into the evaporative system.
#306 of 786
Re: MPG update on my new 2006 [steve_] by tidester HOST
Dec 22, 2006 (6:42 pm)
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Replying to: steve_ (Dec 22, 2006 5:15 pm)

I've cut back to three decimal points ...
 
And I tried so hard to protect your anonymity!
 
tidester, host
#307 of 786
Re: MPG update on my new 2006 [steve_] by kyfdx HOST
Dec 22, 2006 (8:29 pm)
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Replying to: steve_ (Dec 22, 2006 5:15 pm)

No spreadsheets for me... I do the calculation in my head.... on each fill-up.. I usually have it done by the time I have the trip odometer reset..
 
But, I do usually round it to the nearest tenth.. I'm not anal about it..

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