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2012+ Subaru Impreza Real World Fuel Economy



  • once_for_allonce_for_all Posts: 1,640 that 8" of "snow plowing" with the front spoiler. You'll get some body damage that way.

  • Yeah, I got my first body damage on my 2012 Impreza when the corner of the front bumper hit a snow drift that was a little taller (and harder) than I thought as I was making a right turn. Crunched the underside on that corner, but its not that obvious. The Impreza is not a very good snow plow. Handles well on ice and in the snow, though, so long as the snow isn't too deep. Glad to know the EPA rating is possible. Perhaps my abysmal numbers will start to get better as I get more miles on it and warm weather returns. I'm not driving below the speed limit though. The on-road travel I do is mostly long hauls and I don't want to make them any longer.
  • clifmclifm Posts: 4
    That long front overhang is my only gripe. Living in a hilly region, I've barked that thing about once a month on pavement when I try to turn onto a steep street. And I actually can't pull straight out of my driveway at all; I just bottom out. A VW and a Mazda never had that problem. If anyone knows a good source for a different front spoiler (and maybe a way to add about an inch to the ride?) I would love to hear about it.
  • oxmeadoxmead Posts: 79
    I was lucky and had no damage, and won't try it again. I guess that's why they came out with the Crosstrek.
  • xwesxxwesx Fairbanks, AlaskaPosts: 12,773
    Add some clearance? No problem... it's called XV. :P
    2014 Audi Q7 TDI, 2008 and 2013 Subaru Forester(s), 1969 Chevrolet C20 Pickup, 1969 Ford Econoline 100, 1976 Ford F250 Pickup
  • This winter in MN, been getting around 27 mpg combined on my 2012 Sport Premium. It's mostly highway driving. On long--200 mi road trips, best I could do was around 31 mpg at 60 mph sustained speeds. In the summer, I was able to get 38-42 mpg consistently on long road trips at 60. Cold air, a few minutes at idle to warm it up, winter gas mix, it all adds up to about a 33% reduction in mpg for me.
  • xwesxxwesx Fairbanks, AlaskaPosts: 12,773
    33%. Yeah, it sounds insane, but that's on par with what I see in my Forester: About 25-30%. It really all depends on how cold it is and how short the trips are. When I used a Subaru for commuting, it was 30% or more. My wife tends to use our Subaru now, and she does multiple things with it or shorter round trips wherein the car is "warm" the whole of the trip rather than going to work and then home ten hours later when it is stone cold again.

    By comparison, my FWD cars tend to lose about 20% of fuel economy during the winter when used as commuters.
    2014 Audi Q7 TDI, 2008 and 2013 Subaru Forester(s), 1969 Chevrolet C20 Pickup, 1969 Ford Econoline 100, 1976 Ford F250 Pickup
  • kadingkading Posts: 7
    I have also kept a complete log of all my fill-ups and have zeroed out my trip odo at each so I can calculate actual mpg instead of relying on the instrumentation which I find to be higher by about 7-8%.

    I've driven my 13 Sport Premium about 6000 miles now (mostly city) and have been averaging only 24.5mpg. However, I noticed that since I hit 5500 miles, my mpg has started inching upwards. The last two fill-ups have netted me 26 and 27.8 mpg. I have not changed anything except for adding 1psi to both front (33) and rear (31) tires.

    Somewhere earlier on this thread, I think, somebody who complained to their Subaru dealer about poor mileage was told to wait until their car got to a certain mileage before their fuel economy started to improve.

    So other than my experimentation with the increase in tire pressure, does anyone think there is something to what the Subaru dealer told the other guy? Has anyone had the same/similar experience? I find it a little difficult to believe that 1psi in tire pressure can make that much of a difference.
  • skid0skid0 Posts: 16
    I've gotten GREAT mileage in my '12 CVT. Over the last year, I averaged 34 mpg summer, 28.5 winter. My all time high full tank was 37 mpg. (All #'s hand-calclulated).


    Keep your revs below 3,000 with the CVT when accelerating. Use less throttle or suffer the consequences. This is a hard one to notice, there's no jerk from upshifts to clue you in how hard you are accelerating.

    The CVT has a lot of oil in it, and it takes a long time to warm up. If you bought this car to make short trips, you made a mistake.

    Small engines are NOT efficient at high speeds. You'll pay a big penalty for that extra 5 mph. If it's important enough for you to complain about, it's important enough for you to slow down for.

    Comparing an AWD to FWD is foolish. I'm getting 9 mpg better than my 2000 Outback, and 6 better than my Audi A4. Both AWD with similar cabin space.
  • nhwstormin, I have tried everything to squeeze the EPA out of this car(Imprez,SprtPremCVT13Kmi17"wheels). I don't think it's possible. I did a trip from ME to NH in the summer and got 33.2MPG using all hypermile tricks. (also had tires up to 35psi). Have not been able to match that again. If you are in NEngland, then you are still getting the winter blend of fuel. I get 22.1 city in the winter and 28.3hwy. Until now, I have not owned a car where I could not match or exceed the HWY EPA value on at least one fill up. 2012 Outback+1 (in Winter!! 28Kmi), HondaFit +3 98outback +0. CReports couldn't get the EPA, Statistically, compared to other cars, shows same dismal results.
    Hate to say it, but Subaru embellished a bit on this one. It's a good car, but I thought I was buying a great one. Hyndai and Kia tried that also, they got caught by the EPA.
    If you think those 26-27 city were accurate, then that is excellent for this car.
  • runnerdog .. I have the same feeling. 98SubOutback, 2000Legacy,2012Outback all matched or beat EPA when I wanted to (when I'm not driving like a madman). I feel duped also. I think Subaru went the way of Hyundai and Kia. I bet if the EPA tested this car, they would drop Subaru's estimates (
  • once_for_allonce_for_all Posts: 1,640
    I'm of the opposite impression. We regulary get 33-32 mpg overall, blend of 70/30 highway/city.

    Easy for us to get 38 mpg on the highway, and that's using California moonbeam Brown's 10% ethanol blend. It's all about keeping the car below 65mph, rpms at 2k, anticipating slow downs, and keeping the AC off as much as practical.

  • wvwwvw Posts: 19
    I would agree. Even my '95 Legacy wagon listed at 28MPG highway often got 31MPG with less careful driving on the highway. I generally get 31-32 with my Impreza.
  • taipeitaipei Posts: 1
    From recording fillups, I have found the highway MPG amazing! 95% of my driving is on state roads in northern NH and northern VT at speeds of 50 to 55 mph. I consistently get 36 to 37 MPG. On interstate highway trips to Montreal or southern VT and NH, I get 39 to 40 MPG - driving 99% highway at 65MPH and using cruise control. At least for the highway rating, Subaru is spot-on!
  • ateixeiraateixeira Posts: 72,587
    Good example, and the speeds are key.

    Rolling resistance drops in a linear fashion, but wind resistance increases with the square of speed (exponentially).

    So your results are as expected. I think people getting under 30mpg and probably going 70+mph.

    The EPA highway tests averages 48.3mph, with half the time at 55-60mph:

    If you want to meet (or beat) EPA numbers, the answer is simple - slow down.

    Wanna drive fast? OK, but you gotta pay to play.
  • kadingkading Posts: 7
    Since my last post on mpg numbers in March, I have also come to this conclusion. Over my last 3 fill-ups, I have made a conscious effort go go no higher than 65mph and avoid accelerations that brings the engine to 3K rpms and over. Getting up to speed gradually with rpms in the low 2Ks and cruising at 60-65, I've found, is the key.

    The results gives me 26.5mpg combined 70/30 city/highway which brings me in alignment with the Consumer Reports real world testing of 26mpg combined for the '13 Impreza as opposed to the 24.5mpg I had been getting.

    I'm sure that the warmer temps have also helped. I don't know if the switch to summer blend gas here in NY has happened yet but I am looking forward to that, too.
  • jfljfl Posts: 1,389
    I did ~800 miles over the Thanksgiving holiday. Overall ~30 mpg. Most of the highway miles @ 80 mph (speed limit is 70) with some stop-n-go traffic. I'm ok within the mpg considering the speed.

    This is similar to my typical mpg in day to day driving.
  • I've had my '13 Sport Limited CVT hatchback for just about a year now. After 22,000+ miles and 75 fill-ups, my calculated overall average comes to about 26.3mpg with the majority of it being 70/30 city/hway driving in NYC traffic and a few road trips in between.

    On pure hway road trips, I can get it to about 33mpg as long as I don't go over 65. I get just under 30mpg if I drive 70 and above. These were on relatively hilly terrain. On flat terrain, I can actually come close to 35mpg, again doing 65 and below.

    So, my opinion is that the car performs as advertised.
  • jfljfl Posts: 1,389

    My '13 Sport Premium 5M, around 8,500 miles in ~5 months. Overall mpg=30; best=33; worst=28 (I've eliminated two anomalies: 48 miles @ 24mpg and 128 miles @ 39mpg.)

    I agree w/ kading "the car performs as advertised".

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