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Honda Fit Real World MPG

2432 messages,  Last post on Oct 29, 2009 at 4:50 AM

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


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#61 of 2432
Better Mileage At Lower RPM by shneor
May 12, 2006 (6:11 am)
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This tank, I kept RPM at 3500 max - got 37.46 mpg. All daily 17-mile each way commute, 4/5 freeway. When I maxzed at 4000 rpm, I got just over 34 mpg. Mine is a Base Manual.
#62 of 2432
Re: Topping off (or not) can make a big difference [wave54] by bob104
May 13, 2006 (6:08 am)
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Replying to: wave54 (May 09, 2006 1:56 am)

This is a good point. I'm never sure what technique people use to determining gas consumption. There is only one accurate way:
 
Fill the tank yourself. You can do that immediately upon leaving the dealership. Set odometer to zero. Drive the car at least 200 miles. Refill the tank yourself using the same technique as before, preferably not topping off as that is better for the environment. Divide the miles traveled by the gallons consumed. Report mpg along with notations about transmission, driving style and conditions. Repeat. Several data are more useful than one report.
 
Sample MPG Report: Using TankToTankTechnique--TTTT--my 2002 Honda Civic EX automatic gives me 32 (31.0-32.7) mpg travelling 80% at a steady 60 mph on the level, 20% around town, in temperatures ranging from 50-80 degrees.
 
I would greatly appreciate it if people indicate that they use the TTTT when reporting their mpgs. I'm wondering if I should trade my Civic for a Fit and need reliable info. Thanks for your consideration.
 
Bob
#63 of 2432
Re: Topping off (or not) can make a big difference [bob104] by backy
May 13, 2006 (6:11 am)
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Replying to: bob104 (May 13, 2006 6:08 am)

It's also important to use the exact same pump, or at least the same station, if possible. I've found large variations in pumps at different stations. One station near me shuts off much earlier than a station right down the road, for a difference of a gallon or more.
#64 of 2432
Re: Topping off (or not) can make a big difference [backy] by bob104
May 13, 2006 (7:10 am)
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Replying to: backy (May 13, 2006 6:11 am)

Good point, backy. If you're not topping off each time then each pump will probably make a difference. However, after recording the mpg five times or so any variations will be evened out to within about a 0.5 mpg accuracy. The critical thing for people to do is to start full and record full and record the data at least three times and then report. This should give data accurate to within 1 mpg or so, particulary if using the same pump, same technique.
 
My 02CivicEX automatic is rated 32/38 and gets 32 in mild driving. I'm betting that the Fit will barely beat it. I wish Honda had offered it with a 80 hp engine, as in the UK. Oh, well, there's always gasoline at $5.00 a gallon to stimulate greener consumption. For my children's sake, I hoping for $10 by next summer. That'll leave some petroleum for it's many other more important uses--medicine, plastics, petrochemicals, etc.
Bob
#65 of 2432
Re: Topping off (or not) can make a big difference [bob104] by hungarian83
May 13, 2006 (9:14 am)
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Replying to: bob104 (May 13, 2006 7:10 am)

"My 02CivicEX automatic is rated 32/38 and gets 32 in mild driving. I'm betting that the Fit will barely beat it."
 
We have a 2002 Civic EX coupé 5-speed manual in addition to the Fit 5-speed manual, and under similar driving conditions and styles, the Fit beats the Civic about 4-5 mpg.
#66 of 2432
tank 4 by johnnyb11
May 13, 2006 (12:57 pm)
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4th tank, sport mt, almost all local driving, 30.8 mpg. A little disappointing because my first three tanks were 33.5 to 35.5. Not sure what happened.
#67 of 2432
Fill Ups by mtngal
May 13, 2006 (3:23 pm)
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I don't like to leave my car parked at the house with much less than a third to a half a tank, and since we commute 150 miles a day, we rarely drive more than 200 miles between fill-ups, unless we're on a trip. The reason why we do that is that we live in what can be described as a high hazard area. I prefer to just add up a whole bunch of tanks and average that way.
#68 of 2432
Re: Fill Ups [mtngal] by gearhead1
May 13, 2006 (7:43 pm)
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Replying to: mtngal (May 13, 2006 3:23 pm)

just to reemphasize, topping off can damage your fuel system. When the pump stops automatically, your done. I round off to the next nickel just so I don't get any pennies back.
#69 of 2432
Re: Fill Ups [mtngal] by fit_ness
May 14, 2006 (4:10 am)
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Replying to: mtngal (May 13, 2006 3:23 pm)

How's your ongoing average running?
 
I'm figuring you're odometer is around 3500 - 5000 miles.....
#70 of 2432
Re: tank 4 [johnnyb11] by bob104
May 14, 2006 (4:43 am)
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Replying to: johnnyb11 (May 13, 2006 12:57 pm)

Thanks, johnnyb and hungarian and others for the reports. It seems that the Fit has the uncanny ability to meet and even exceed its EPA ratings of 33/38. By hungarian's report (#65) it seems that the Fit should get 38-39 mpg under the same conditions in which my 02CivicEX, automatic, gets 32. (I added 2mpg for manual). Does 38-39 in near optimum driving, 80% at 60 mph, the rest in town, jibe with other results?
 
Also, can anyone explain to me why the Fit's final drive ratio is so low? My Civic goes 46 mph at 2000 rpm, 70 at 3000 rp and my Odyssey goes 70 mph, both automatics. But the Fit only appears to do 40, and that's in a fifth gear, whereas my Civic automatic only has a fourth gear. Couldn't/shouldn't Fit change the ratio so that the engine spins 3000 rpm or less at 70 mph?
 
BTW, here's a good article on the physics of ultra mpg:
http://www.jhcrawford.com/energy/new_cars.html I have an electric bike and it's actually 7 times more efficient than a bicycle powered by pasta-eating. 2000 mpg. 3 cents a mile vs. 40 cents for a Civic.
  My electric bike conveniently fits in my Civic trunk, hangin out the back, secured with bungies, cablelocked to the trunk post. What system would I use with the Fit--I can't hang it out the back due to security and fumes.
 
   Thanks!

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