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SUVs Honda CR-V 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
Your Community Leader is varmint.
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Replying to: lzc (Dec 22, 2006 3:52 pm) 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?
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Replying to: greenteacrv (Dec 22, 2006 4:04 pm) 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. |
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Replying to: thestormer (Dec 22, 2006 4:36 pm) I agree. However, one must be fastidious in recording the data!  tidester, host
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Replying to: tidester (Dec 22, 2006 4:46 pm) 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. |
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Replying to: thestormer (Dec 22, 2006 4:53 pm) tidester, host
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Replying to: tidester (Dec 22, 2006 4:58 pm)  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.
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Replying to: steve_ (Dec 22, 2006 5:15 pm) And I tried so hard to protect your anonymity!  tidester, host |
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Replying to: steve_ (Dec 22, 2006 5:15 pm) But, I do usually round it to the nearest tenth.. I'm not anal about it.. 
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Replying to: thestormer (Dec 22, 2006 4:36 pm) I agree, the more gas it takes for a fill up, the less the errors will affect that particular fill up. Over a period of several fill ups the errors sort/average themselves out. As you have somewhat acknowledged, driving habits can be a real killer of MPG. Tailgating, accelerating right up to traffic signals and signs, Rapid acceleration, excessive speed, etc., short trips involving cold engines, heavy traffic, lots of idling, all contribute to poor mileage. I get 2-3 MPG better across the board than my wife. She drives from here to there. I enjoy the "GET the best mileage you can" game. Someone sipping a little gas for their car, motorcycle, lawn mower or just to "razz" you??? Particular type/brand of gas. (Don't burn premium. 87 works just fine) If both cars came from the same dealer, their "GET READY" folks may not be tending to business as they should. Quick story! Our 03 Pilot had always gotten good mileage. Equal and usually better than advertised. 17-18 local and 25-28 highway. One day I noticed the overall was down about 3-4 MPG. And had been down for several weeks. Some detective worked disclosed the drop took place after having the battery disconnected. As pointed out by someone on the Pilot forum, Part of the "GET READY" for Hondas involves something called the IDLE LEARN PROCEDURE (ILP). It is supposed to be done at the dealership as part of preparing the car for delivery to the customer. It is also supposed to be done whenever, the battery is replaced, goes dead, is disconnected, or one of a couple of fuses is pulled. I did the ILP, filled the tank and the mileage returned. Actually got near a +1 over the previous "GOOD" mileage. Others have had similar results. Others have seen no difference. If it was done at the dealer, doing it again probably won't do anything. But it won't hurt anything either. IT IS PART OF GET READY! One guy said his dealer told him it would not affect mileage. It only affected Idle quality. Yet when he did it himself, he got an improvement. Coincidence? Maybe... We got our CR-V shortly after getting the Pilot back on track. Within the 1st week I did ILP on the CR-V just in case the dealer had not! Kip |
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Replying to: greenteacrv (Dec 22, 2006 4:04 pm) Gotta agree with ya also. Here is why! Our Pilot is roughly a thousand pounds heavier than our CR-V. 3.5LTR vs 2.4LTR..240 HP vs 160 HP..Pilot has larger frontal and overall area to move through the air. Yet under similar driving conditions, for us, there is a 3-4 MPG CR-V advantage local, and 2+/- CR-V advantage Highway at posted limits. Seems the RAV-4 V6 and I4 mileage ratings are pretty close. Saturn VUE 2.2 LTR 4 is rated 22-27. With the Pilot 3.5 V6, it is 20-28....  Are ya listening HONDA!!!!! Kip |
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