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Ford Fusion/Mercury Milan Hybrid Real World MPG

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  • mtnman1mtnman1 Central OhioPosts: 419
    I have driven 1000 miles on my new Fusion after 2 1/2 weeks of ownership. Filled up for the second time yesterday. Drove 486.1 miles since last fill up and put 11.382 gallons in it. 486.1/11.382 = 42.71 MPG. :) This is in mixed driving. The Car's computer read 43.4 MPG so not off by much. So far this has been a great car in that regard and just an all around great car to drive. Of course, I know I probably am driving it in the optimum season for fuel effeciency due to it not being too hot or cold. Also I realize that the summer blend of gas probably helps. Hopefully I will feel the same about it next winter.
    2012 Highlander Limited AWD V6 and 2015 Ford Fusion Hybrid SE
  • mtnman1mtnman1 Central OhioPosts: 419
    Not much participation in this thread, but I thought I would give an update on my MPG.Today marks exactly 4 weeks ago this evening I picked up my new Fusion. 1439 miles on it now. Filled up and got 41.27 MPG. Car's computer read 42 exactly. I attribute my slightly lower MPG to the fact that daily it has been anywhere from 29 to 33 degrees when I started my day. Also very windy last week. One day we had steady winds at 30 mph with gusts to 50 mph. A couple of other days winds were 20 to 30 mph. The day of the highest winds I drove to several towns in open country running 60 to 72 mph. Not a great deal of trees to break the wind because it's in farm country and central Ohio is very flat. So I am ecstatic so far in the performance of this car.
    2012 Highlander Limited AWD V6 and 2015 Ford Fusion Hybrid SE
  • PF_FlyerPF_Flyer Pennsylvania Furnace, PAPosts: 6,329
    Nice numbers! Doesn't sound like you're trying to squeeze every last mile out of it, just taking it as it comes with your everyday driving.

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  • sdasda Indian Land, SCPosts: 452
    mtnman1 said:

    Not much participation in this thread, but I thought I would give an update on my MPG.Today marks exactly 4 weeks ago this evening I picked up my new Fusion. 1439 miles on it now. Filled up and got 41.27 MPG. Car's computer read 42 exactly. I attribute my slightly lower MPG to the fact that daily it has been anywhere from 29 to 33 degrees when I started my day. Also very windy last week. One day we had steady winds at 30 mph with gusts to 50 mph. A couple of other days winds were 20 to 30 mph. The day of the highest winds I drove to several towns in open country running 60 to 72 mph. Not a great deal of trees to break the wind because it's in farm country and central Ohio is very flat. So I am ecstatic so far in the performance of this car.

    You know your mileage calculations are so close to the car computer I would wager the computer is correct. I don't think you can precisely fill up and measure fuel used tankful to tankful. A difference of a quarter gallon on a fuel efficient car can make a measurable difference.

    2010 Pilot EXL-RES, 2013 Accord EX

  • PF_FlyerPF_Flyer Pennsylvania Furnace, PAPosts: 6,329
    I'd call it within "margin of error" :)

    I always use my mileage calculations as a barometer of the general health of my vehicle. Any sudden notable change gets my attention. If the next tank is still low (assuming I didn't short fill TWICE) then I get into "what's going on?" mode

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  • mtnman1mtnman1 Central OhioPosts: 419
    Had a disappointing experience on the latest tank of gas. My Car computer was way off. The computer read 43.9 MPG and my actual was 39.52 MPG. My last 3 fill ups were so close to what the car computer read and were all 43 MPG and better with my calculation. I can't figure out what would explain the drastic discrepancy when it had been so close. I am concerned that it would be so off. Also, had a difficult time removing the pump from the capless fuel opening. Had to use two hands and pull hard until it released it suddenly. I almost fell backwards when it released.
    2012 Highlander Limited AWD V6 and 2015 Ford Fusion Hybrid SE
  • explorerx4explorerx4 Central CTPosts: 10,255
    I don't have a hybrid, but I do have a couple of 2 year old Fords. Sometimes the computer is pretty far off.
    I think the fuel mileage computer gives too much credit for being off the gas, when the fuel is shut off while coasting. Just my opinion.
  • PF_FlyerPF_Flyer Pennsylvania Furnace, PAPosts: 6,329

    I don't have a hybrid, but I do have a couple of 2 year old Fords. Sometimes the computer is pretty far off.
    I think the fuel mileage computer gives too much credit for being off the gas, when the fuel is shut off while coasting. Just my opinion.

    Always need to check the accuracy of the computers against actually doing the calculation.

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  • explorerx4explorerx4 Central CTPosts: 10,255
    It helps to check the odometer calibration, too. My Fusion measures 2% under. I've measured it for stretches of up to 50 miles.
  • PF_FlyerPF_Flyer Pennsylvania Furnace, PAPosts: 6,329
    Tire circumference can be an issue with that

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  • mtnman1mtnman1 Central OhioPosts: 419
    I am now at approximately 4000 miles on my Fusion Hybrid SE. Suddenly the last 4 fill ups my Car's computer has been reading 4 Mpg better than when I use a calculator. Unfortunately it has been reading 43, but I am actually only getting 39 mpg. The 5th tank back read 43, but I got 47 mpg when using a calculator. I am really disappointed because the first 4 or 5 fill ups I got around 42 to 44 mpg per fill up which was within about 1 to 1.5 mpg of what the car said I achieved. I have called my Salesman and he said I should bring it in so they can look at it. It's pretty useless to monitor my driving by seeing what each stop and start trip is by using the car's numbers. For instance I drove 18 miles on one trip yesterday and it said I got 50.7 mpg. Pretty useless information if it isn't accurate. Wouldn't trouble me so much is the computer was within a mile or so even with the reduced Mpg. It's been very hot and unbearably humid the last few weeks and my A/C has been running hard, so the reduced mileage could be attributed to that I guess.
    2012 Highlander Limited AWD V6 and 2015 Ford Fusion Hybrid SE
  • texasestexases Posts: 5,969
    18 miles was pretty short. I get 50 mpg going to work, 36 coming back (uphill). Only do these comparisons on full tanks.
  • mtnman1mtnman1 Central OhioPosts: 419
    edited June 26
    texases said:

    18 miles was pretty short. I get 50 mpg going to work, 36 coming back (uphill). Only do these comparisons on full tanks.

    Maybe you're misunderstanding me. I only calculate actual mileage when I get a complete fill up. What I am saying is on the hybrid it gives you a read out of each time you start the engine until you turn the engine off. It is a way for the driver to get an idea how they are driving gas mileage wise. I look at it whether I complete a 15 mile drive in rush hour on the expressway to going 46 miles driving 73 mph on the open road. I should be able to gauge my driving habits and how it is affecting my Mpg. The problem is now I don't know if the single trip read outs are accurate or just like my entire tank read out it is off by 4 mpg. It has totally rendered that function useless. It is one of reasons I liked the Hybrid. I feel like I have been ripped off in a way. I paid for something that doesn't function the way it should. I have never had a car that read 4 mpg off the actual versus the car's computer. This is my third Ford in the last 11 years and the other two, a 2004 Mercury Mountaineer AWD V8 and a 2009 Ford Fusion Sel V6, read within one or 2 miles of actual. The Fusion was generally within 1.5 mpg.
    2012 Highlander Limited AWD V6 and 2015 Ford Fusion Hybrid SE
  • texasestexases Posts: 5,969
    I understand. That variability is more likely due to traffic, temperature, tire pressure, and gas composition (whether or not it has the 10% ethanol, that can vary). I doubt (but don't know) that there's a problem in the computer, it's using standard engine outputs to calculate the mpgs.
  • explorerx4explorerx4 Central CTPosts: 10,255
    There was some kind of indicator of how efficiently you are driving in the previous version. Maybe you can check some hybrid boards for people that have more experience with the model you have.
  • mtnman1mtnman1 Central OhioPosts: 419
    My fill up yesterday I got 43.51 mpg. Car's computer read 43.6. I think my mileage improved because it has been cloudy, rainy and maybe 80 degrees max each day. Even though I still used the AC. During the lower mpg results it was very hot and very humid, 85 to 90 with 60 to 65% relative humidity. Though the humidity had been high on this last tank. Car Computer makes no sense. Seems that this car does not do well when it is very hot. Of course, that would be logical as the AC has to work harder. I have found that if I just add the miles driven since last fill up and the miles remaining both according to the Car's Computer and divide by the fuel tank capacity of 13.5 the mpg at fill up is almost dead on. Seems that the Car's computer for Average Mpg for the tank would somehow be gauged to those numbers. But what do I know.
    2012 Highlander Limited AWD V6 and 2015 Ford Fusion Hybrid SE
  • PF_FlyerPF_Flyer Pennsylvania Furnace, PAPosts: 6,329
    Ah... you need to divide the actual miles driven by the actual number of gallons you pump and not the tank capacity to get an accurate number.

    The computers are nice as a gauge of how things are going, and are generally pretty accurate, but when you want to calculate your mileage, you need to start with actual numbers

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