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Honda Civic Hybrid MPG-Real World Numbers

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

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

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#451 of 475 Re: MPG improves [mrwaug] by refields Jul 25, 2009 (5:56 pm)
Replying to: mrwaug (Jun 21, 2009 5:17 pm) Um, no.   In the old days, as now, a particular octane rating will work better and provide more power when used in engines with particular characteristics. Higher compression engines *still* need higher octane and lower compression engines *still* work best with lower octane.   There is no problem if highmpg gets better mileage with a higher grade of gasoline. It could just mean that the gasoline in his area is marginal as to rating.   That has been my experience from when I first bought my hybrid. I get about 5 mpg better mileage using mid-grade than regular. Legally, there is a range of actual octane values that are accepted for a particular grade and it is more profitable for refineries and dealers to sell the lowest allowable octane (if not lower) that can be sold as a particular grade.   I think that where I am, and possibly where highmpg is, what is called mid-grade is probably a lot more like regular ought to be. Gas that barely passes as mid-grade is going to essentially be high-quality regular.   I'll bet that top end cleaner makes no difference to highmpg's numbers. What really matters for most people is what your fuel cost is on a per mile basis. Other than that, the fuel that gives you your highest mpg *is* the fuel that operates your engine most efficiently. That's basically by definition. It could also be that the difference in mileage is more than enough to offset the difference in price per gallon which makes the gas that is most efficient also the best in fuel cost per mile.   That's how it works for me. Verified - both by the dashboard mpg meter and manually checking the numbers with miles driven and gallons to fill up.   I get higher mileage by running mid-grade and the extra mileage compensates and more for the higher price making that the cheapest fuel for me to use as well.   This stuff is simple. All it takes is running the fuel and making simple calculations to figure it out.
#452 of 475 Re: Honda Civic Hybrid Owners: MPG-Real World Numbers [refields] by frednjudik Jul 25, 2009 (6:03 pm)
Replying to: refields (Jul 25, 2009 5:29 pm) Thanks again for the input. I just might try that, going to some other supplier of fuel. However, if Auto Manufacturers are going to specify the fuel ingredient requirements, then are we supposed to go to several different suppliers and ask them what is and is not in their fuel? Would the fuel station attendants even know? Are these things all posted at the fuel pumps? Should they have fuel pumps for Hybrid Cars only? Like diesel fuel for Trucks? Why don't the EPA test results of these Hybrid Cars indicate what fuel they used, other than Regular Lead Free Gasoline, if fuel quality makes a difference? I have never had a problem with fuel for MPG in other non Hybrid Autos, no matter where I fueled up, Chevron, Shell, Mobil, 7-11, CostCo, ARCO, whatever. After this next tank of gasoline, I will go to CHEVRON, the most expensive, and fill up, and see if it makes a difference, and I will let you know. I really suspect the dealer is feeding me a bunch of B.S.! Replies to this message: refields (Jul 25, 2009 6:27 pm) frednjudik (Jul 26, 2009 8:53 am)
#453 of 475 Re: Honda Civic Hybrid Owners: MPG-Real World Numbers [frednjudik] by refields Jul 25, 2009 (6:27 pm)
Replying to: frednjudik (Jul 25, 2009 6:03 pm) What would be of more value would be to have tighter standards/requirements on gas grades. But there are also other factors - age of the gas and altitude a big ones - in how a gas grade works in a car's engine.   Gasoline is really a complex mixture of hydrocarbons. It's also a natural product of sorts. Oil from one region can look very different from oil from another. Refining will balance a lot of things out but it's still a very complex mixture that on the whole has characteristics that allow it to be classified as a particular grade of gasoline. We're just stuck with the situation.   The people that do gas mileage testing will verify the fuel that they use meets certain standards. It's just not practical for corner gas stations to do that. They may also have issues with water, their refiner might simply sell them substandard gas, etc. While the people evaluating mileage on cars may know pretty well what they are putting in the tank, we don't have that luxury and there are also the unscrupulous who take advantage to increase profits.   One thing to also remember is that cars that get high mileage will show variations in that mileage more than cars that don't. Also, did you monitor and track mileage in the other non-hybrid cars? A 10% change in mileage on something that gets 50 mpg will be much more noticeable than on something that gets 25 mpg.   And even if you fill up a Civic Hybrid with more expensive gasoline, it won't cost that much more since it is only 12 or so gallons. And in the long run, it might even save you money.   As an aside, while I get about 5 mpg better mileage with mid-grade over regular, my milage went down by about 5 mpg with premium over regular. My car definitely does not like premium. Some stations have four grades of gasoline instead of just three. I'd go up just one grade and see how it does.   And if you do notice a difference, keep in mind that things may change as seasons change, and from brand to brand and region to region. It's because formulations change between brands and between seasons even at the same station. Region to region will have even more possibilities for change. But in general for me, I pretty much always get the best mileage on mid-grade. Replies to this message: frednjudik (Jul 26, 2009 8:53 am)
#454 of 475 Re: Honda Civic Hybrid Owners: MPG-Real World Numbers [refields] by frednjudik Jul 26, 2009 (8:53 am)
Replying to: refields (Jul 25, 2009 6:27 pm) Thanks for the detailed explanation of Gasoline. I only see Regular and Premium at most pumps. I won't be spending extra on mid-grade or premium anyway, if the auto manufacturer states to use Regular Gasoline. I don't see anywhere on the Internet that people are complaining about the 2009 Honda Civic Hybrid Fuel Mileage. It's either because not many people are purchasing new cars right now, no one else is having a problem, or there might really be a problem with my 2009 Honda Civic Hybrid. I think the later, since the dealer is claiming the 5,000 mile break-in period. My next step is to go to the Honda Customer Service, in Torrance, CA and hopefully get some straight answers. I'm just frustrated when a lot that I have read indicates most people are getting 40 to 50 mpg with their Honda Hybrids. Maybe I need to go to a Honda Civic Hybrid Driving School, if it's not a mechanical problem. I really hope I don't have to drive the Hybrid like a little old lady from Pasadena, sweat my buns off with no A/C when it's 100 degrees, and buy the most expensive gasoline I can find. If so, I'm trading this puppy in for a Prius.
#455 of 475 Real world numbers by dan11809 Jul 28, 2009 (1:34 pm)
My 06 civivc hybrid gets 35.1 overall mileage. I drive the fast lane with the speed of traffic in ca. and az.It used to get 45 at highway speeds,though now it feels as though something isn't right,it runs good just doesn't get the same mileage as before under same conditions.Battery goes dead sitting at lights and while driving leaving me with little power! I would sell this car if not for my h.o.v. stickers.
#456 of 475 Honda Civic Hybrid MPG by frednjudik Jul 28, 2009 (5:30 pm)
Dan, Sounds like you need to have the EMR Battery checked out. It's only 3 years old, and I believe the warranties are much longer than that. I talked to American Honda Headquarters today, and they verified that a 5,000 mile break-in is not required for getting the correct good gasoline mileage. The break-in is as stated in the Honda Civic Hybrid Owner's Manual. It is 600 miles. They told me to take my Hybrid to any Honda Dealer and ask for a Fuel Consumption Test, and they should honor it. However mine is a new Honda Hybrid with only 1,800 miles on it. Don't know about older Honda's out of Warranty. I plan to do this after my next tankful of gasoline & measurement. Incidently, (per Honda Headquarters) we're supposed to verify at any Gasoline Station we go to, that their gasoline meets the requirements as outlined in the Owner's Manual. Each station should have this information. This is to eliminate claims of "Junk Gasoline", or using "Higher Octane" as reason's for avoiding or getting better gasoline for better mileage.
#457 of 475 Poor mileage by dan11809 Jul 29, 2009 (6:58 am)
Fred, when I take my car to the dealer they tell me there are no codes.They can't repair anything without codes.I'll ask for the fuel consumption test,I'll bet that makes them laugh!
#458 of 475 Honda Civic Hybrid MPG by frednjudik Jul 29, 2009 (9:47 am)
I called the American Honda Headquarters in Torrance, CA re: my Hybrid Gas Mileage and what the dealer had told me re: the 5,000 mile break-in period. I recommend that you call the Honda Headquarters also and thell them what the dealer told you. Also, tell them that you believe the EMR Battery is not getting charged. If you still have problems then another option is to report your problems to the Bureau Of Automotive Repair, via the State Consumer Protection Agency. They may even have an independant place that can do the testing, similar to independant Smog Check station. These are usually at colleges via their Automotive Repair Classes. These options are of course to be used only if the Dealer told you they can't look at your problem without Codes? Please call Honda Headquarters, they do escalate any problems with dealer's service.
#459 of 475 BAD Mileage on my 2006 Hybrid by kyhybrid Jul 29, 2009 (12:16 pm)
I love everything about my hybrid accept that i get horrible gas mileage! I get about 25MPG in the city and anywhere from 30MPG to 45MPG on the highway depending on the trip. It seems so odd for me to hear that everyone gets such great MPG and i dont. The dealer just tells me there is nothing they can do.
#460 of 475 Honda Civic Hybrid MPG by frednjudik Jul 29, 2009 (2:16 pm)
To: kyhybrid Please refer to message #458, and back to msg #455. Tell your Honda Dealer, or any Honda Dealer you want a Fuel Consumption Test per American Honda Inc. in Torrance, CA

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