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2012+ Subaru Impreza Real World Fuel Economy



  • Did you have the firmware updated to eliminate engine braking? I've had that done on my car and it makes a difference. Much smoother starts and downhills now.
  • I had my 2012 firmware updated to stop excessive engine braking. Made a difference. Smoother starts and much less engine braking downhills.
  • So, you bot the Outback. Why are you posting on the Impreza forumn?
  • ateixeiraateixeira Posts: 72,587
    We own a Forester and a Sienna (shares a platform with the Avalon).

    In the snow, the Toyota blows chunks. It struggles to make it up our driveway in conditions the Subaru simply laughs off.

    There's no comparison if you're in foul weather.

    The Sienna is a competent all around vehicle, but it totally falls flat in the slippery stuff, hyper-active VSA only getting in the way (thankfully an Off switch helps), so I borrow my wife's Forester.

    In fact I drove her Forester today (sleet + snow mix here in DC).
  • We have owned 6 previous Subarus before our 2012 Impreza Hatchback Base 2.0i model. We pre-ordered ours because we had been so satisfied with our Subaru products to date. (Big mistake!)

    This model was rushed to market. A number of things have become evident in the year that we have owned this car. Don't get me wrong. This can be a great car but Subaru simply did not take enough time to find its early shortcomings and fix them. (Very unlike Subaru. What were they thinking?)

    1) We can only get close to the promised 36mpg under very specific circumstances. Not too hot; not too cold; dry pavement; no wind and no hills. (Does this really sound like Maine?) 30mpg is more realistic with the base model version of the CVT. Other models should be able to squeak out a bit more.
    2) The shift logic used by the Base 2.0i CVT transmission is less than optimal. This REALLY needs to get this updated. It hurts MPG and the driving experience substantially. Those who have shifting paddles found in the more expensive models can take control of shifting and do much better than the "computer brain" controlling the CVT in the Base 2.0i. A few have mentioned getting logic updates, I think it should be a required service recall.
    3) The computed average MPG on the dash is always overstated by about 7 to 10%. It kind of makes you wonder about the math skills of their engineers.
    4) The standard tires (Yokohama Avids) are NOT suited for snow & ice in the northern tier states. They are quite good for typical wet/dry conditions. Subaru should have used another tire model for vehicles delivered to the the snow belt. I get the sense that this decision was made by an accountant and not an engineer.
    5) Subaru of America does not appear to want to help its customers out. They cannot admit they made a few mistakes and then propose how to fix them. They seem to be in denial about this model's issues. (This does not make a good customer experience!) So, my advice ... get your facts; have them on paper; know what solutions are acceptable to you and then just keep pushing. Subaru will make it right eventually.
  • ateixeiraateixeira Posts: 72,587
    Send them feedback. The new Outback had no folding mirrors but they fixed that in one year. The roof racks were too close and they fixed that too.

    They can and do listen.
  • wvwwvw Posts: 19
    It's reassuring to see you post this as this has been my experience, too. I like the car a lot, but did as well or better on MPG with my Hyundai Elantra that was supposed to get 3 MPG less than the Impreza hatchback.
  • ateixeiraateixeira Posts: 72,587
    Hyundai got in trouble over that.
  • wvwwvw Posts: 19
    That was a 2008 that got close to 2MPG more than what the sticker said.
  • jd_24jd_24 Posts: 92
    My 2012 with CVT has dropped a bit in the MPG numbers. The last two tanks have been just under 30mpg. With the colder weather (10F and colder) and increased short trips the drop was expected. Still very happy since its better than the 24ish my 2001 Outback would get in the winter.

    Lowest tanks have been 29 to 30mpg.
    Highest tanks were last summer and in the 35 to 37 range.

    15,000+ miles so far.
  • once_for_allonce_for_all Posts: 1,640
    my same numbers too! 18k on the odometer. CVT hatch.

    But, a very big difference when I drive vs my wife or son. They are typically 3 mpg lower. When I watch my son drive (more like, when I look out the window while he is driving), he will usually hit 3500 rpm off a stop. I find if I can keep it below 2000 rpm from a stop, it will maximize mpg. My wife will usually hit 3000 rpm. Neither of them is OCD, like I tend to be.
  • once_for_allonce_for_all Posts: 1,640
    488 mile trip over 2 days, 65-70 mph, 34.6 mpg from the fill numbers. Trip odo said 36.9 mpg. Hatch/cvt.

    It's amazing the mpg difference between 60 and 70 mph, my guess is 3-4 mpg.
  • the Impreza Sport Limited is not made for road trips. The optimistic MPG computer gave readings of 22-24 mpg with the cruise set to 75mph on a recent trip from Mpls to Fargo, ND. This car is not made to drive in the interstate it is underpowered and easily overwhelmed. The same trip in summer the mpg #s were near 28 far below the advertised 36 mpg! My 07 Jetta could do the same trip at 85 mph and not see any dip in hwy fuel economy. :mad:
  • ateixeiraateixeira Posts: 72,587
    Sounds unusually low. Is that an uphill grade?
  • jd_24jd_24 Posts: 92
    24mpg for that highway trip seems low.

    That is a fairly flat to rolling hills type of drive. Since it is North West in direction the wind probably had some effect. Last week had a good 20mph wind from that direction and the temp was cold with high temps just above zero. Of course the way home scould have had help from the wind.

    I've noticed that more passangers and higher speeds (above 65) will affect this car more than others. My old 2001 Outback didn't take nearly as big of MPG hit with passangers and a little extra speed. I'm one of the fairly happy ones with the Impreza MPG.

    Keep in mind the EPA test is mostly 55mph testing with a few short accelerations above that. Every 10mph increase above 60mph drops the MPG by about 10% to 15%. I read that somewhere recently but can't find the link.
  • My experience is similar to yours. Drove from DC to Minneapolis and back and hit a variety of weather conditions. Trip log showed I got 28.8 mpg in the 2012 hatchback that had about 5k miles on it. I have never been able to get the number higher than the low 30s regardless of driving conditions or speed. In the city, the numbers are below 20 mpg. Not impressed by the MPG on this car and I think Subaru has mislead consumers.
  • Lots of variation in MPG with the new Impreza. My own experience is 32-33 mpg highway (hand calculated, not the optimistic dashboard readout), at speeds between 60 and 75, even on roundtrips in the mountains of Colorado, going from 5000 feet to more than 11000 feet. Around town, fuel economy falls off fast; I've been as low as 25.7 mpg. I've seen a slight reduction with winter fuel, but not as much as expected.
  • I have a 2012 Impreza Sport Limited. We drive it almost exclusively in the city. The best mileage I've had on highway road trips is 22.5 MPG! We get 17.5 MPG in the city!! Anyone else supremely disappointed in their MPG? We have 5,500 miles on the odometer.
  • dcm61dcm61 Posts: 1,554
    Something is wrong with the car (or your driving style ;) ).

    '12 Sport Limited and average 28 to 30 on congested highway commute. Have gotten 36 mpg on highway road trips.
  • I have the same problem. I am now getting about 24 in the city and if I use Shell gas get 31 to 32 on the highway. Using other gas around 28 to 30 on the highway. No where near what was told I would get and where I live it is flat. I have 7500 miles on the Impreza Sport.
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