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Honda Fit Real World MPG

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  • I'm the one that started this thread, and when the first responses were all "sucks to be you" and "oh well" I got pissed off, as I was already at my wits end, and basically gave up on the forum. I've had the same experience on 2 other forums as well.
    I've seen that since then a few people have been quite detailed and helpful and I appreciate that.
    Fitfight, I'd like to know the name of that lawyer please. I will probably be in that class action lawsuit.
    So far I've called Honda customer service, they opened up a case for me, and they've told me I need to get a "fuel consumption" test from my local Honda shop.
    I tried twice to do this, and both times they rescheduled, or I drove all the way down there and they said they couldn't fit it in.
    I haven't been able to get it tested since I work and I can't afford to rent a car right now while they have some teenager drive my car around to test the mileage.
    I will probably take it to another dealer but that one is an hour away and so I'll have to take a day off work to take it there.
    I'll let you guys know the results of the test, and then what Honda said to me after I call them back with the results.
  • stephen987stephen987 Posts: 1,994
    Yes, something is definitely wrong with your car. I drive my '09 Fit Sport in roughly comparable conditions and get very close to twice the mpg you are getting.

    It could be something as simple as the fuel enrichment programming--when the engine is cold it's programmed to run rich. A faulty thermostat could be telling the ECU to dump extra fuel in all the time, which would (a) ruin your fuel economy and (b) eventually ruin your catalytic converter.

    On the '09 model there's a blue light that tells you when the engine is in "cold mode"--is the same light present on the '08?
  • I have a 08 Fit Sport automatic and am conservative driving. 90% of my trips are 10 miles at 40 mph and 15 miles at 65 mph. No stoplights or traffic; some hilly sections. Winter temps as low at -30 *F and I use winter tires (both of which make a BIG difference on mileage). I use the "S" mode and paddle shifters which puts me in control of the shift timing (prevents the transmission from up-shifting too soon which should increase mileage).

    Since new I've kept track of mileage on my iphone and have a high of 34 mpg and a low of 22 mpg with an overall average of 30.5 after 12,594 miles driven.

    I wish it was better and would happily give up the potential power this engine has for increased fuel economy.

    Good luck with your troubles.
  • I'd also like to know the name of the attorney who was taking cases on the Fit.

    I bought a 2009 Fit and was at first happy to have the average MPG indicator. The trip counter was reset when I drove off the dealer lot (car had 70 miles on it), and I watched as my average climbed up from the low 20s to 37 mpg. On my first tank, with 60-70% of driving on the highway in dry conditions, no weight but myself, I ended up discovering that I actually went 235 miles using 9.3 gallons of gas. So, while the computer said 37, I actually got 25.2 mpg.

    Even crazier -- I reset the trip counter when refueling (I'm keeping all receipts to prove actual mileage), the average MPG indicator reset, but this time, driving *entirely* stop-and-go in the city in my work commute, within the first 20 miles, the average MPG indicator had climbed to 45 mpg. In fact, in going forward and backward to get into a parking space, I watched as it went up from 44.2 to 44.5.

    Problem #1: 25 mpg is not what I paid for. Assuming typical 15000 miles per year, that's 600 gallons of fuel as opposed to 483 gallons at the advertised 31 mpg. A difference of 117 at current pricing of $2.50/gallon is an additional $292/year.

    Problem #2: The computer is inflating my mileage by at least 40%. On the second tank, unless the mileage in the city has dramatically improved over the first tank on the highway, the computer is inflating the mileage by 80%. The difference between 25 mpg and the reported 45 mpg adds up to $666/year, again assuming $2.50/gallon. In reality gas prices are almost certainly going to rise much faster than inflation over the lifetime of the car, so this could mean costs in the several thousands.

    The problem with problem #2 is that it is consumer fraud. At a time when fuel economy is both an economic and environmental issue globally, well, Honda could be looking at a pretty serious liability depending on how many vehicles have this problem. Under the Lemon Law, I'd have 30 days to return the car for a full refund if it was defective (I actually received the car on Oct 2, however this is a case where I'd expect the dealer to give me a bunch of crap about how actual mileage may vary, the car needs to be broken in, etc., and if as it appears this is a problem with the Fit line, there's not too much the dealer can do about it. They could offer to "fix" the computer (in theory) so that it correctly reflects the 25 mpg the vehicle is actually getting.

    What's particularly bizarre is that the computer *knows* how many gallons are in the tank and how many miles I've gone. I'm calculating mpg using the miles from the same computer. Gallons could be arguably slightly off as reported by the gas pump vs. the computer, but for the math to work out, the computer would have to be misreading 9.3 gallons as reported at the pump to be 6.3 gallons.

    Is anyone aware of pending or prior class action suits against Honda?
  • I'd also like to know the name of the attorney who was taking cases on the Fit.

    My 2008 sport Fit has been through all the break in stuff they talked about
    I have done the batter disc reset 2 times I have 18000 30miles per week day 26 of the miles highway so 87% of my driving is highway I am up from the high teens I was getting when the car was new now I am getting 27-28 on the highway the dealer has checked my car 2 times said the car is fine HUMMMMM I dont think so I hear all bout these people getting mid 40s
    Well Honda must have figured the MPG with 100 cars in the 40s & 100 cars in the high teens to low 20s crazy
    I first dorve this car the FIT in Brazil before they where here in 2004 loved the car & my friend in brazil Her car gets like 40mpg and she drive 50%-50% maybe 60% city
  • cwalticwalti Posts: 185
    Dude, get over it!!
    These readouts are just TOYS..
    Get yerselfes a Scangauge, and you have a much more practical setup with calibration ability...

    Suing over a gadget... Got nothing better to do?
    Classaction, - you obviously don't know how worthless that is for the individual participants!!!
  • cwalticwalti Posts: 185
    I don't know what you guys are doing, but the other day I saw a guy going 95+ mph in his little Prius. I am cerrtain he didn't get 50 mpg.
    On the other end of the scale, I just returned from a vacation trip. My, stuffed to the gills, '99 V6 Ody wit an additional lbs300+ carrier basket got 24.5 mpg going at fwy speeds and making a total 4,000 feet climb. 300 miles from Los Angeles to Bishop. The CR-V ('05) got 28.5 mpg on the same run...
  • colloquorcolloquor Posts: 482
    I am surprised of the wide variances in reported fuel mileage between the onboard trip computer's readout, and measuring it the old fashioned way. I've always calculated fuel economy the old fashioned way - miles driven/gallons used. But, this can be hard to do these days with the need to be very careful not to overflow the evaporative emission control system, and get fuel into the carbon canister. Topping up the tank is not an easy thing these days!

    Every car I've owned which had an onboard trip computer with fuel economy readout never varied more that +/- .5 MPG from the old fashioned way of calculation mileage. So, something must really be wrong with the algorithm used in the computer, or the sensors.

    I know that I would be upset with 25 to 27 MPG with a Fit, as our minivan with a 3.8L V6 gets over 28 MPG on the highway consistently. Moreover, I have a friend in the UK with a Honda Jazz (the European Fit equivalent), and he gets over 40 MPG.
  • I've been driving it more than a year, since august of 2008. Its beyond 7,000 miles, has been broken in, has had oil changes, etc.
    I'm not driving it like a loon, and even if I was, theres no way in hell driving it like a crazy person would cut the mileage by 60%.
    I've kept it under 3,000 rpms. I've stayed below 70, I've accelerated slowly and glided into stops. Did that for entire tanks of gas... didn't make a lick of difference.
  • stephen987stephen987 Posts: 1,994
    On my Fit the gauge is consistently high by about 10%, which is 3-4 mpg.
  • My "09 Mini classic has 2 speedos which are 10% out when checked with my GPS. I knew there was a problem before I even checked it. Both speedos agree saying that I am going faster than I really am. This 10% error is also putting extra kilometers on my car that really isn't true. I believe the factory does this on purpose to display better gas mileage figures than we are really getting. Dealer says there is nothing he can do. Am presently in talks with the Mini people. I believe my GPS is 100% accurate and can figure out my true mileage accordingly. Anyone else with these issues?
  • I Get 35 MPG Around Town With Auto. And A/C Going Most Of The Time.

    I Have The 2009 Sport With 6,000 Miles..No Trips As Yet..Can Only Get Better!!
  • aaykayaaykay Posts: 539
    I just put 250 miles on it today .. all highway miles with cruise control set at 65 mph and the mpgs look like they're going to be down from the 2nd tank as the car's computer is showing 39.4 mpg and I covered less miles on the first half tank of gas.

    Are you saying that you are driving with cruise control on, before you completed the break-in of the car ? :surprise: The wear patterns on your "virgin" engine are still being established and I personally would take some additional care and NEVER drive it with cruise control for the first 1000 miles.

    I have been struggling to complete my break-in miles by continuously varying the RPMs while not allowing it to cross 4000 rpm. I have another 400 miles to go, before I can start driving at a constant RPM for better mileage. Even with the fuel-sapping break-in driving, the mileage is a little over 35mpg, which means that with more constant rpm driving, the mileage should be significantly better.
  • aaykayaaykay Posts: 539
    I've heard some people say that the gauge lacks a correction factor for powertrain losses, and that it is more accurate with a manual transmission than with an automatic.

    Interesting. This is because I calculated the mileage versus what was being displayed on the computer and found that my calculated value was roughly 1mpg below the average displayed by the computer. The calculated value was a little over 35mpg, while the computer indicated a little over 36mpg.

    Mine is an 09 Fit Sport Manual Trans.

    PS: I typically ignore the dealer fill and as soon as I get home, I go to my favorite Shell or BP gas station and fill it till the first click (at a specific pump to make it more exact), set the trip-meter and calculate the mileage from there. To calculate the mileage, I divide the miles driven - since the last tripmeter reset - by the gallons filled till the first click (at that specific pump, in that specific gas station)

    PS1: For whatever reason, I am seeing better mileage from my 09 MT Fit Sport than my previous 08 MT Fit Base, even though according to the EPA numbers, the figures should be reversed. I will allow some more miles to accumulate before I can be definitive here. But as it stands, even with the fuel-sapping break-in driving with constantly varying RPMs, I am getting over 35mpg (most of it is stop-and-go city driving), which is just fantastic. :)
  • I've had my base model automatic Fit for two months and drive it both on the highway and around town. It consistently gets over 39 mpg in combined mileage. I think this should be more widely advertised since the actual mpg is so much higher than the manufacturer or EPA ratings.
  • My 3 cents on Honda FIT MPG for what it is worth:

    I have a Base 09 Automatic.
    I always fill with Chevron Gas, 91 (used to have a Mercedes--can't help it)
    I have 3000+ miles on it since new.
    I drive in Los Angeles.
    I usually have between 15 and 30 lbs of stuff in the cargo area and usually no passengers.

    One day riding around the city with A/C on and stop and go, cutting in and out of traffic=18 MPG :(

    Another day on the clear freeway for 200 miles back and forth to San Diego (110 each way)=39.5 MPG :)

    I really have not noticed any change in gas mileage since the first days I drove it but I will keep an eye on it given the problems people are reporting.

    Thanks.
  • roxy11roxy11 Posts: 27
    the epa rating are closer to reality with the fit, since so many owners are discovering that the 38 mpg on their computer is actually 34 mpg when actually calculated manually. (ie 10%+ optimism by the fit computer is very common)
  • stephen987stephen987 Posts: 1,994
    Quite correct on one point, roxy--there is approximately 10% error on the fuel economy gauge. Even so, my best (42.4 mpg on the gauge) is a pump/odometer calculated 39.0 mpg, which is still 20% above the 33 mpg EPA highway rating.
  • aaykayaaykay Posts: 539
    In my case roxy, I am finding that the EPA numbers in case of the Honda Fit is very pessimistic. I consistently got better than EPA highway numbers, in mixed driving in my 08 Fit. Remember this is MIXED city + Highway driving that is better than the EPA's highway number.....the EPA city number is something I don't think I could ever get, unless I park somewhere with the engine switched on the whole time.

    I am finding that the 09 Honda Fit is also continuing the trend in getting me better mileage in MIXED driving than the EPA's Highway number.

    PS: I have not been able to better the highway mileage number for my other 7-seater vehicle (09 Subaru Tribeca) however, and I am solidly between the City and Highway number with the same type of driving as the Honda Fit (majority of the driving in the City with a lot of stop and go and a little bit of highway mixed in). I am hoping that the Tribeca's number will improve as I accumulate more miles (currently at approximately 1500 miles).
  • New on May 2, 2006. Now over 75K miles. Oil and filter changes. Michelin Pilot Sport Tires at 55K - worth every penny. Rear wiper blade. That's it. 80% highway/20% city on 80 mile/day commute. Consistently over 35 mpg. Worst mpg 32.5, best 41 mpg. Pedal to the metal accelerating, I don't exceed 70 mph when up to speed though it easily tops 100 mph (don't ask). Luv my little buddy still. Aftermarket stuff - Installed Sirius Stiletto 10, KIWI mpg meter, Honda rubber mats, Honda rear cargo cover, and that big fat Honda chrome exhaust tip.

    Over a year ago a Tahoe with a trailer backing up scraped and dented my rear door in a parking lot boo boo. Body shop ordered a new door skin from California and the silver paint matched well. No problems. Getting a little brake pedal shake if stopping hard, which I will have inspected soon.
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