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Subaru Impreza Real World MPG Numbers

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Comments

  • kyfdxkyfdx Posts: 31,120
    My mpg gauge tends to be 1-1.5 mpg optimistic...

    Filled up today... gauge read 30.6, with actual being 29.8..

    I think the warmer weather, but not so warm that I use the A/C, is resulting in the good numbers... ..

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  • nippononlynippononly SF Bay AreaPosts: 12,695
    So did you notice that your mileage rose a bit after the first few thousand miles?

    2013 Civic SI, 2009 Outback Sport 5-spd (stick)

  • kyfdxkyfdx Posts: 31,120
    Not necessarily..

    I think it seems more seasonal.. and being more cognizant of the mpg gauge.. :P

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  • nippononlynippononly SF Bay AreaPosts: 12,695
    Well in that case I am just going to have to try harder. Most of the time my gauge ran 28.5-29.1, and that resulted in 27.5 mpg, so I need that thing to read 31! Must. Drive. More. Slowly. :-P

    2013 Civic SI, 2009 Outback Sport 5-spd (stick)

  • kyfdxkyfdx Posts: 31,120
    Try driving down big hills! (then push it back up.. :surprise: )

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  • ateixeiraateixeira Posts: 72,587
    Go to Pikes Peak and only measure on the way back. :D
  • nippononlynippononly SF Bay AreaPosts: 12,695
    Filled up tonight, 3rd fill so far (second if I exclude the suspect dealer fill when new ;-)), 348 miles, 12.9 gallons, 27 mpg right on the nose. I want it higher! I guess I need to slow down even more. Not yet though, I'm enjoying the new ride too much right now! :-)

    Once again the trip computer on the dash was optimistic, read 28.2 when I filled up.

    2013 Civic SI, 2009 Outback Sport 5-spd (stick)

  • kyfdxkyfdx Posts: 31,120
    29.5 on my last tank..

    I give lessons... for a fee.. :)

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  • nippononlynippononly SF Bay AreaPosts: 12,695
    Is most of your driving suburban? Or is it mostly highway? Me, I'm suburban. I felt confident of pulling 29-30 mpg when I bought this thing, based on my experiences in other cars. The '97 OBS I had in the past pulled better mpgs than I am getting in the new one so far.

    2013 Civic SI, 2009 Outback Sport 5-spd (stick)

  • xwesxxwesx Fairbanks, AlaskaPosts: 8,679
    I felt the same way about my '07 Outback. I kept pulling 27s, quite consistently, but really hoped for a couple more miles per gallon. My friend with the '08 Impreza manual got 31.5 on his last tank, primarily "suburban" driving. He tends to get a solid 30 most tanks during the summer, except when they have heavy city driving (which is rare). He and his wife split the driving about 50/50.

    You can do it!!
    2010 Subaru Forester, 2011 Ford Fiesta, 1969 Chevrolet C20 Pickup, 1969 Ford Econoline 100, 1976 Ford F250 Pickup, 1974 Ford Pinto Wagon
  • kyfdxkyfdx Posts: 31,120
    I would characterize it as suburban/highway... :blush:

    I have a 21 mile commute each way... About 17-18 miles of it is urban/suburban interstate.. I'm mostly going opposite the major traffic flow, but still come to a standstill at a couple spots..

    Don't really have any true highway driving to speak of... and.. when I do, I actually get worse mileage! I think that's because my highway speed on a trip is generally 72-78 mph, and the speed limit on the section of interstate that I drive to work is 55 mph, which generally keeps me around 60-68 mph for most of the trip to work..

    You can see a definite improvement if you can keep it to 65 mph or less..

    Maybe all that plastic cladding is causing drag.. ;)

    Also... are your tires 205/50-17 or 225/45-17? Mine are 205/55-16.. if yours are wider, you'll have more friction/drag and frontal area to overcome..

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  • nippononlynippononly SF Bay AreaPosts: 12,695
    it's just a matter of shaking my habits from the Matrix, in which I had to rev like crazy to get any power. The Sube 2.5 has lots of power down low, so if I short-shift it at 2500 rpm or so I should see an improvement, and really why do I want to go shooting around the suburbs anyway? There's always another red light not too far off.

    If xwesx can pull 27 mpg in an Outback, which is higher and 200-300 pounds heavier, I HAVE to be able to get to 30 mpg if I try.

    I find myself at 4000 rpm very regularly, which I am sure is why 27 mpg is all I have been achieving.

    kyfdx: my tires are 205/50-17s, not the wider tires that the WRX gets. I shouldn't have a lot more rolling resistance than you do.

    2013 Civic SI, 2009 Outback Sport 5-spd (stick)

  • xwesxxwesx Fairbanks, AlaskaPosts: 8,679
    That's probably it. I was never all that sedate, per se, when driving my manual Outback, but it was a rare that I ever hit 4K on the tach. I tend to start from lights casually then stretch out a bit at speed.

    Right now, after replacing my ball joints (steering is much more stable now!), I am experimenting a bit with the fuel economy on my Escort. I have averaged about 33 mpg this last month of driving. However, on this current tank subject to the experimentation, I suspect I am running (very) high 30's. I am getting such good economy, in fact, I likely will not refuel until Friday when I get ready to leave town. I usually fill the car every Monday morning with about 3/16 of a tank according to the gauge, but the last time I filled it was on 5/25 and I still have 3/8 of a tank.
    2010 Subaru Forester, 2011 Ford Fiesta, 1969 Chevrolet C20 Pickup, 1969 Ford Econoline 100, 1976 Ford F250 Pickup, 1974 Ford Pinto Wagon
  • ateixeiraateixeira Posts: 72,587
    Set your cruise at a speed around 55-60, with little traffic, and zero out one of the odometers. I've hit 33+ mpg that way on our Forester, though that's with the advantage of a rolling start.

    Best trip, with no rolling start, was just over 30mpg. Had to keep speeds way down, though, it drops past 60mph.
  • xwesxxwesx Fairbanks, AlaskaPosts: 8,679
    I usually fill the car every Monday morning with about 3/16 of a tank according to the gauge, but the last time I filled it was on 5/25 and I still have 3/8 of a tank.

    The car is doing well so far! I am up to 320 miles at 3/16 of a tank... usually I am at 270 to 280 come this point. So, I estimate I am at around 37.5 mpg, about 4-5 mpg above average for a commute/town only tank.
    2010 Subaru Forester, 2011 Ford Fiesta, 1969 Chevrolet C20 Pickup, 1969 Ford Econoline 100, 1976 Ford F250 Pickup, 1974 Ford Pinto Wagon
  • nippononlynippononly SF Bay AreaPosts: 12,695
    Got my first 30 mpg tank, 370 miles, 12.4 gallons, 29.839 mpg technically, but I'm going to call it 30, so there! :-P

    I have begun almost short shifting it around town when I am not in a hurry - you can be in 3rd gear at 25 mph quite comfortably, and in 5th at 45 if you're just moseying around. I am also realizing that when you do want to accelerate quickly, the gears are closely-enough spaced and the engine strong enough at 2500 rpm that one doesn't really need to rev it to 4000 and beyond (as fun as that can be!). It's really a very versatile engine.

    So I don't know what my next goal will be - I guess I will shoot for a few tanks in a row at 30, and then head for 31! :-)

    ('09 Impreza Outback 5-speed)

    2013 Civic SI, 2009 Outback Sport 5-spd (stick)

  • kyfdxkyfdx Posts: 31,120
    That's great!

    I filled up yesterday.. 30.5 mpg on that tank... (looks like you have some more work to do.. ;) ).

    We've got plenty of hills around here.... I do a lot of coasting... lol..

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  • xwesxxwesx Fairbanks, AlaskaPosts: 8,679
    hahahah.... way to help him keep his accomplishment in perspective! :P

    I ended up at 36.3 on that tank I was tracking earlier, but that was a little better than the all-highway tanks on a recent trip to Palmer and back. So, I suppose I was better than it *could* have been.
    2010 Subaru Forester, 2011 Ford Fiesta, 1969 Chevrolet C20 Pickup, 1969 Ford Econoline 100, 1976 Ford F250 Pickup, 1974 Ford Pinto Wagon
  • nippononlynippononly SF Bay AreaPosts: 12,695
    And there I was all proud of myself and stuff! :-P

    2013 Civic SI, 2009 Outback Sport 5-spd (stick)

  • ateixeiraateixeira Posts: 72,587
  • alexl76alexl76 Posts: 1
    I consistently manage 32-33 mpg on my 55-60mph commute with a few lights. The car is a 1997 Subaru Impreza 2.2 wagon with the 5speed manual. I've clocked my speedometer against the mile markers at 60mph as a rough check. I'm very impressed with the mileage. I don't baby the car; I sometimes accelerate hard and zip up to the redline.

    Bottom line- Subaru makes a great car. 33mpg at 150,000 miles with an awd vehicle is great! Beats my '02 WRX- couldn't do better than 27 in that car but oh what a car!
  • ateixeiraateixeira Posts: 72,587
    The EJ22 was almost unbreakable. Keep it running - forever. You'll probably rot out the seat padding before that engine gives. paisan raced one that old for years.
  • nippononlynippononly SF Bay AreaPosts: 12,695
    another 28 mpg: 297 miles, 10.6 gallons. I just can't restrain myself enough to keep up the 30 mpg in this car!

    '09 OBS 5-speed.

    2013 Civic SI, 2009 Outback Sport 5-spd (stick)

  • kyfdxkyfdx Posts: 31,120
    Last three tanks...

    29.8
    29.7

    and...

    30.8! :)

    Nip.. you are filling up too soon.. not taking advantage of the lighter weight when the fuel tank is emptier.... lol ;)

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  • nippononlynippononly SF Bay AreaPosts: 12,695
    Yeah, I can't remember why I didn't wait until it was more empty to fill up. :-P

    2013 Civic SI, 2009 Outback Sport 5-spd (stick)

  • ateixeiraateixeira Posts: 72,587
    Wholesale gas prices are creeping up so go ahead an fill up early for the short-term, the gas will be cheaper.
  • nippononlynippononly SF Bay AreaPosts: 12,695
    Mainly because I spent about half the tank in a single day, putzing around open houses, all city driving, I only managed 26 mpg this time, actually a hair under 26: 311 miles, 12 gallons.

    Now I am back to my quest to crack the 30 mark! :-)

    '09 OBS 5-speed.

    2013 Civic SI, 2009 Outback Sport 5-spd (stick)

  • ateixeiraateixeira Posts: 72,587
    I get 27 in my Miata and it's a 2.0l half the size. Also city driving.
  • nippononlynippononly SF Bay AreaPosts: 12,695
    Yes, but your little 2.0 doesn't have the very tangible drag of AWD to contend with. On slight slopes, the AWD produces enough drag to actually stop the car if it is rolling.

    But it IS nice to have the bigger engine in my new OBS, I will admit. My '97 had the 2.2, and I made just about the same mileage in that one despite having 0.3L less displacement and about 35 less hp under the hood.

    I noticed the new Legacy with the CVT is rated 23/31 or something. VERY nice. But then the price you pay is driving a CVT. :sick:

    2013 Civic SI, 2009 Outback Sport 5-spd (stick)

  • ateixeiraateixeira Posts: 72,587
    Yeah, our Forester doesn't coast well, you feel the drag.

    Our Sienna (FWD) will coast forever. I'm not sure it would ever stop on a flat surface.
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