BradLegacy2017 Posted April 17, 2017 Share Posted April 17, 2017 No remote starting + regular blend gasoline (non-winter blend) = +6 mpg!! Score! http://i.imgur.com/XI7OLP8.jpg Since my wife and I picked up our 2017 Legacy, she has "only" been averaging about 26 - 27 mpg to and from work (about 70 mile round trip). She has been a bit disappointed with not being able to hit that 30+ mpg mark, but we both knew that the winter time gas + remote starting could be impacting it a bit. I did not expect such a significant difference due to remote starts and winter fuel! Definitely pleasantly surprised. Link to comment Share on other sites More sharing options...
Phoenix622 Posted April 17, 2017 Share Posted April 17, 2017 Just noticed this in my '15. Happy to see the return! Link to comment Share on other sites More sharing options...
lindjosh Posted April 18, 2017 Share Posted April 18, 2017 I must have picked mine up just in time, I've been averaging right around 32 mpg 12 miles in town and 40 miles (75-80mph) highway speed everyday for 2 1/2 weeks now. Nice upgrade from my last ride! Link to comment Share on other sites More sharing options...
chowser51 Posted April 18, 2017 Share Posted April 18, 2017 Got mine to 30.6 on my trip to Fort Bragg today but when calculating via miles and gas used it came to 28.8. So I'm happy with it since it's the 3.6. This was with gas in Virginia. Ohio probably still has crap gas. Link to comment Share on other sites More sharing options...
ehsnils Posted April 18, 2017 Share Posted April 18, 2017 And as usual winter/summer blend is only accounting for at most 2% difference. The temperature impact on the oil viscosity in engine and transmission makes a lot more difference. Link to comment Share on other sites More sharing options...
capttris Posted April 18, 2017 Share Posted April 18, 2017 I get about 3 MPG better with summer gas and warmer weather. This is both highway AND around town with my 2013 2.5. Link to comment Share on other sites More sharing options...
PATS4LIFE Posted April 18, 2017 Share Posted April 18, 2017 I've had the car for 6months now and have yet hit 30mpg,I get about 27-28mpg Now 25-26mpg with roof rack&basket Link to comment Share on other sites More sharing options...
lindjosh Posted April 18, 2017 Share Posted April 18, 2017 I've had the car for 6months now and have yet hit 30mpg,I get about 27-28mpg Now 25-26mpg with roof rack&basket What is the elevation where you live, 2.5i or 3.6, and how many miles have put on it so far? Link to comment Share on other sites More sharing options...
BradLegacy2017 Posted April 18, 2017 Author Share Posted April 18, 2017 I've had the car for 6months now and have yet hit 30mpg,I get about 27-28mpg Now 25-26mpg with roof rack&basket If you are still located in CA, I would likely attribute part of that to CA emissions/gas. If you do a lot of idling with the A/C on too that will impact the MPG. Link to comment Share on other sites More sharing options...
crudzinskas Posted April 18, 2017 Share Posted April 18, 2017 I normally get the advertised gas mileage around 40degrees and then about +1mpg better for every 10 degrees warmer or -1mpg for every 10 degrees cooler. I got 36mpg after 600 miles of all highway driving at about 60 degrees. I just wished I knew a way to calibrate the mpg readout in the car as it normally runs about 10% high for me (it said I was getting 38.5pmg). I found one for the last gen of outbacks but haven't found a method for the 6th gen legacy. Link to comment Share on other sites More sharing options...
PATS4LIFE Posted April 18, 2017 Share Posted April 18, 2017 What is the elevation where you live, 2.5i or 3.6, and how many miles have put on it so far?where am at is about 300-500ft elevation and I have 2017 2.5i Link to comment Share on other sites More sharing options...
PATS4LIFE Posted April 18, 2017 Share Posted April 18, 2017 If you are still located in CA, I would likely attribute oart of that to CA emissions/gas. If you do a lot of idling with the A/C on too that will impact the MPG. Well I do use remote start with ac or heater on depends on weather..and yes I do still live here in CA. And I do have Takeda CAI system Link to comment Share on other sites More sharing options...
ammcinnis Posted April 18, 2017 Share Posted April 18, 2017 I found one for the last gen of outbacks but haven't found a method for the 6th gen legacy. The current gen Legacy and Outback are identical. Calibration is possible up to +/-10%, but it's a dealer-only adjustment. Most 2.5 owners report that -4% is about the optimum correction. In my experience, the error will vary somewhat depending on where you do most of your driving ... in town vs. on the highway. "If you don't know where you're going, any road will take you there." ~ The Cheshire Cat (Alice in Wonderland) Link to comment Share on other sites More sharing options...
BradLegacy2017 Posted April 18, 2017 Author Share Posted April 18, 2017 Well I do use remote start with ac or heater on depends on weather..and yes I do still live here in CA. And I do have Takeda CAI system As my wife and I have learned the amount of time spent idling definitely has a significant impact on MPG. Link to comment Share on other sites More sharing options...
ColoradoRod Posted April 22, 2017 Share Posted April 22, 2017 The current gen Legacy and Outback are identical. Calibration is possible up to +/-10%, but it's a dealer-only adjustment. Most 2.5 owners report that -4% is about the optimum correction. In my experience, the error will vary somewhat depending on where you do most of your driving ... in town vs. on the highway. Thanks for mentioning this. I didn't know this was something the dealers could adjust. I have a spreadsheet with calculated and Subaru computer reported mileage for every fill-up since I bought my car new. It would be very easy to calculate an average variance. A casual glance at the data supports your 4% estimate. Link to comment Share on other sites More sharing options...
ammcinnis Posted April 22, 2017 Share Posted April 22, 2017 I didn't know this was something the dealers could adjust. Expect a blank stare from your dealer's service writer when you ask about this. Refer them to page MET(diag)-19 of the 2015 Legacy/Outback Factory Service Manual.MET(diag)-19_User_Customizing.pdf "If you don't know where you're going, any road will take you there." ~ The Cheshire Cat (Alice in Wonderland) Link to comment Share on other sites More sharing options...
sunny5280 Posted April 22, 2017 Share Posted April 22, 2017 I normally get the advertised gas mileage around 40degrees and then about +1mpg better for every 10 degrees warmer or -1mpg for every 10 degrees cooler. I got 36mpg after 600 miles of all highway driving at about 60 degrees. I just wished I knew a way to calibrate the mpg readout in the car as it normally runs about 10% high for me (it said I was getting 38.5pmg). I found one for the last gen of outbacks but haven't found a method for the 6th gen legacy. IME calibrating is a futile effort. I did calibration on my 2001 X5 and could never get it to match hand calculations. One time it was too high, another too low, yet another too high, and so on and so forth. What I learned is: The computer and hand calculated MPG metrics were better aligned over time (i.e. not resetting / calculating each fill up) Use the MPG computer / hand calculation as a relative reference to itself. Neither is reliable so trying to calculate the absolute fuel economy is an exercise in futility. Link to comment Share on other sites More sharing options...
ColoradoRod Posted April 24, 2017 Share Posted April 24, 2017 Expect a blank stare from your dealer's service writer when you ask about this. Refer them to page MET(diag)-19 of the 2015 Legacy/Outback Factory Service Manual. Thanks very much for the detailed info. Honestly, I probably won't pursue getting it adjusted. It's not a huge concern for me and doesn't justify the stress and hassle of dealing with the dealer service department. Every time they touch my car, they screw up something new while only achieving about a 75% success rate in fixing whatever it is they were supposed to be fixing. It's a losing battle. Too bad it's a dealer-only adjustment. I have a fuel computer on my airplane that I've been able to calibrate down to a few tenths of a gallon accuracy in an average fill-up. With the airplane fuel computers, they call the adjustment a "K-factor." You manually track fuel usage for a few tanks worth of gas, do some math and make an adjustment. If you take time to go through the process, it's not too tough to achieve some pretty impressive accuracy. Link to comment Share on other sites More sharing options...
BradLegacy2017 Posted April 27, 2017 Author Share Posted April 27, 2017 Our MPG "meter" seems to be fairly accurate with its calibration thankfully. Still happy to report ~29 - 31 avg combined MPG since the nicer spring weather. We can't wait to go on our first road trip and really see what it can do. Link to comment Share on other sites More sharing options...
oberth1 Posted April 29, 2017 Share Posted April 29, 2017 tell me about it. winter gas+warming up+winter tires=25mpg if i was lucky. Almost cartwheeled out of the car when i saw 34mpg my last tank. now if only we can fix this pollen problem... Link to comment Share on other sites More sharing options...
BradLegacy2017 Posted May 1, 2017 Author Share Posted May 1, 2017 tell me about it. winter gas+warming up+winter tires=25mpg if i was lucky. Almost cartwheeled out of the car when i saw 34mpg my last tank. now if only we can fix this pollen problem... OMG THE POLLEN!!!! Link to comment Share on other sites More sharing options...
leolfds Posted May 1, 2017 Share Posted May 1, 2017 Warmer temps now I am getting about 27mpg on my 3.6r combined, with slightly warm ups before and after work. Washed my car Saturday morning and by early afternoon it was yellow again. Link to comment Share on other sites More sharing options...
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