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Honda Fit Real World MPG

2439 messages,  Last post on Dec 06, 2009 at 5:06 AM

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What is this discussion about? Honda Fit, Fuel Efficiency (MPG), Hatchback

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#2420 of 2439 Re: I'd also like to know the name of the attorney who was taking cases on the [cwalti] by colloquor Oct 09, 2009 (10:19 am)
Replying to: cwalti (Oct 09, 2009 7:50 am) 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. Replies to this message: stephen987 (Oct 09, 2009 12:45 pm) gasman2 (Oct 10, 2009 5:14 pm)
#2421 of 2439 just got 16 mpg on a full tank in my '08 Fit by bilbofett Oct 09, 2009 (10:53 am)
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.
#2422 of 2439 Re: I'd also like to know the name of the attorney who was taking cases on the [colloquor] by stephen987 Oct 09, 2009 (12:45 pm)
Replying to: colloquor (Oct 09, 2009 10:19 am) On my Fit the gauge is consistently high by about 10%, which is 3-4 mpg. Replies to this message: gasman2 (Oct 10, 2009 5:14 pm)
#2423 of 2439 Re: I'd also like to know the name of the attorney who was taking cases on by gasman2 Oct 10, 2009 (5:14 pm)
Replying to: stephen987 (Oct 09, 2009 12:45 pm) 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?
#2424 of 2439 Re: sport AT 560 miles [thatsmycall] by maxhray Oct 10, 2009 (8:49 pm)
Replying to: thatsmycall (May 03, 2006 11:57 am) 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!!
#2425 of 2439 Re: New 09 Fit ... first 2 tanks ... [baddog2] by aaykay Oct 11, 2009 (7:56 am)
Replying to: baddog2 (Oct 23, 2008 7:31 pm) 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 ? 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.
#2426 of 2439 Re: On board trip computer should be adjustable. [stephen987] by aaykay Oct 11, 2009 (8:22 am)
Replying to: stephen987 (Aug 08, 2009 4:13 pm) 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.
#2427 of 2439 39.2 mpg by lovemyfit1 Oct 11, 2009 (10:07 am)
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. Replies to this message: roxy11 (Oct 18, 2009 4:41 am) stephen987 (Oct 18, 2009 5:57 am) aaykay (Oct 18, 2009 4:22 pm)
#2428 of 2439 Re: never breaking 18 mpg in my 08 Fit! - very depressed and at wits end [bilbofett] by carattorney Oct 13, 2009 (9:52 pm)
Replying to: bilbofett (Jul 10, 2009 7:09 pm) 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.
#2429 of 2439 Re: 39.2 mpg [lovemyfit1] by roxy11 Oct 18, 2009 (4:41 am)
Replying to: lovemyfit1 (Oct 11, 2009 10:07 am) 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) Replies to this message: stephen987 (Oct 18, 2009 5:57 am) aaykay (Oct 18, 2009 4:22 pm)

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