('14-'18) 14 Forester XT gas mileage - Page 2 - Subaru Forester Owners Forum
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post #16 of 36 (permalink) Old 06-25-2017, 03:59 PM
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*UPDATE: manual calculations show that the foz, while a great vehicle, is lying out it's arse about fuel economy. I just wrapped up a 400 mile trip that used 13.9 gallons. Subaru reports I got 32.4 mpg - but the math shows 28.7 mpg. Subaru needs to adjust its honesty setting.

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post #17 of 36 (permalink) Old 06-26-2017, 10:29 AM
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Originally Posted by mike_the_kraken View Post
*UPDATE: manual calculations show that the foz, while a great vehicle, is lying out it's arse about fuel economy. I just wrapped up a 400 mile trip that used 13.9 gallons. Subaru reports I got 32.4 mpg - but the math shows 28.7 mpg. Subaru needs to adjust its honesty setting.
I agree.....

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post #18 of 36 (permalink) Old 10-15-2017, 05:59 PM
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Just posted my best tank. 374 miles and filled up with 12 gallons = 31mpg! And my trip computer showed 32.4. The last several tanks all read between 31.5 and 32.4 on the trip computer, but never hand calculated to more than 29, until today!

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post #19 of 36 (permalink) Old 10-20-2017, 10:55 AM
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I'm getting about 22-23 mpg on mixed driving on '17 XT... Do I have a heavy foot? Maybe. Am I bothered by it? Not in the slightest. My other non-turbo '17 Forester gets about 29mpg. So yea... We're good.

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post #20 of 36 (permalink) Old 10-24-2017, 10:23 AM
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I'm getting about 22-23 mpg on mixed driving on '17 XT... Do I have a heavy foot? Maybe. Am I bothered by it? Not in the slightest. My other non-turbo '17 Forester gets about 29mpg. So yea... We're good.
Same man. 22-23 mpg average. I do lots of City driving however. I do notice some tanks are better than others.
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post #21 of 36 (permalink) Old 10-24-2017, 11:42 AM
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9k on my 17k 2.5i Touring. 28-32 mpg per computer, 26-30 actual miles driven per gallon pumped. 50/50 around town/highway driving. The throttle percentage is usually less than 20% around town acceleration, which is pretty conservative but adequate.
Cheers.
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post #22 of 36 (permalink) Old 10-24-2017, 11:51 AM
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Same man. 22-23 mpg average. I do lots of City driving however. I do notice some tanks are better than others.
Yup. If I am doing a lot of highway driving, then my numbers tick up to 26-27 mpg.

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post #23 of 36 (permalink) Old 11-04-2017, 06:02 PM
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Anyone experiencing better mpg with increased mileage on their 17's? Currently at 1500mi. Not expecting anything drastic. Maybe 1-2mpg better? Currently getting the stated 22mpg with mostly City driving...
I'm also in SoCal getting around 22mpg with lots of b2b traffic. A little over 5k on the Odo. Did much better on a trip to Monterey and back, maybe 26+.

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post #24 of 36 (permalink) Old 11-29-2017, 06:21 AM
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Hey guys. Just got a 2014 XT premium with 43k miles on it. I am hoping my MPG improves or perhaps the computer is not calculating it properly? It says I am averaging 19.4 MPG which kind of sucks... I filled up the tank when I picked it up and have done about 60/40 Highway to town driving. I don't feel like my foot has been that heavy...I was hoping for at least 25 on the highway and over 20 around town. I think I need to measure the actual mileage when I fill up next (have to figure out how to reset the trip odometer lol) Anyway, your figures give me hope. I'm coming from a 2008 Legacy 5 speed which lacked power but I got 25 town / 30 highway MPG
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post #25 of 36 (permalink) Old 12-07-2017, 02:19 PM
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This is my biggest gripe with my 2015 Forester besides maintenance price gouging at dealerships. I drive a mix of highway and city streets on my daily commute. Supposedly it will get 24 in the city and 32 on the highway. I am lucky to get 21 MPG most days and it's not uncommon to average 18 MPG. I have never gotten 32 MPG unless I'm on a highway that goes downhill, best I've done on a flat highway at 65 mph is 31. Okay I get it if you have to deal with multiple stop lights you aren't going to get the full MPG, but having between 3-6 MPG knocked off doesn't seem right. I've heard that Subaru grossly exaggerates the stated gas mileage. Seems to be the case after reading these posts.

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post #26 of 36 (permalink) Old 12-07-2017, 06:52 PM
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You're not going to get the results unless you drive exactly like (or more efficiently than) the EPA test (and use the same fuel type) ... and since most of us don't drive 50 mph on the freeway, most of us aren't going to get the numbers that the EPA predicts.

https://jalopnik.com/how-fuel-econom...ent-1716232721



https://www.fueleconomy.gov/feg/fe_test_schedules.shtml
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post #27 of 36 (permalink) Old 12-27-2017, 10:23 AM
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Based on my 2018 Forester's information screen I had 26.7 MPG on my last tank, but when I calculated it myself, miles driven divided by gallons at fill up, I was at 24.4, pretty big difference in my opinion. Gonna check this on future fill ups too at different gas stations.
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post #28 of 36 (permalink) Old 12-28-2017, 10:27 AM
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My 2017 with about 8,000 miles on it averages around 26-27 MPG (on info screen). Hand calculation is pretty on par. Will try some other gas stations, like @dirtyduke but always trying to keep top tier fuel in it.
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post #29 of 36 (permalink) Old 02-15-2018, 09:18 AM
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Quote:
Originally Posted by budnik03 View Post
This is my biggest gripe with my 2015 Forester besides maintenance price gouging at dealerships. I drive a mix of highway and city streets on my daily commute. Supposedly it will get 24 in the city and 32 on the highway. I am lucky to get 21 MPG most days and it's not uncommon to average 18 MPG. I have never gotten 32 MPG unless I'm on a highway that goes downhill, best I've done on a flat highway at 65 mph is 31. Okay I get it if you have to deal with multiple stop lights you aren't going to get the full MPG, but having between 3-6 MPG knocked off doesn't seem right. I've heard that Subaru grossly exaggerates the stated gas mileage. Seems to be the case after reading these posts.
Same with you. I think being in California also has a lot to do with it. We have crappy gas and a lot of hills to roll up and down and that makes the MPG terrible, compared to the EPA numbers. I'm in an XT, but the point is I've never gotten near the EPA estimates, no matter how hard you try. And the computer always calculates the MPG by +2 MPG. :(
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post #30 of 36 (permalink) Old 02-25-2018, 02:01 PM
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I'll weigh in...re my 2015 XT, owned since Sept 2014.
I've just turned the clock on 35,000 and religiously track using Fuelly.
Average is 23.4 mpg.
Best is 26.8...all-highway multi-day road trip.
Worst is 19.8...heavy traffic in a snowstorm!
65% city driving/35% highway.
Daily commute is <6 miles each way.
Mostly use S...rarely use S#, though I do have a heavy foot...LOVE the turbo!
Always use premium, usually 93 octane, from the local QuickChek, which is very busy so its always fresh.
Usually fill up right around when the low-fuel light comes on, with say 50 miles remaining...because I find the gauge to be, let's call it 'speculative'...same with computer mpg calc...I'd say around 2 mpg optimistic.
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