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Old 10-12-2011, 04:51 PM   #1 (permalink)
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2011 Forester X 5-speed MPG

Having a family, we have been way past due for something new, and purchased a brand new 5sp manual 2.5X almost a year ago.
Wanting a 5sp, something with adequate space for 4 adults and a carseat, got decent mpg on regular unleaded, and was in the low $20K range out the door, was a tall order that only the Suby met.
I had seen past reports of most people seeing low 20's mpg, but the insurance company liked it(dropped $30 a month even with keeping all our existing cars on the policy), and the awd/traction control/abs has been great for our wet and sometimes snowy climate.
Our first 1000 miles was only returning ~22-23mpg, in a motor that was fairly noisy and then started to get a rattle when hot. At ~1500 miles and after a couple complaints about the noise Subaru decided to replace the engine. Not sure if they missed a bore size or what happened as it sounded like piston slap to me, but Subaru sent a pair of tech's and a new motor OVERNIGHT from Japan and had us all fixed up in about 3 days. I saw our Suby in the shop with the engine out and the other getting prepped so I know it wasn't bs.
After that, mileage was much better, up to around 26mpg in mixed driving. The first service came, 3500 on new engine, 5000 on car, and it bumped up to 27.3 mpg where it has stayed in my mixed driving commute.
Recently we took the family on a trip over the pass, climbing from Sea-level to ~5200' and back. I drove it pretty hard, floored at the top for a couple miles, never lolly gagged under the speed limit, and passed alot of slow pokes. No coasting, no drafting, P&G, or any tricks like that. Mpg for that trip came to a surprising 29.7mpg average.

This is par with our A/T Civic DX so I am pretty impressed, being the Suby has awd, is more of a brick, and has to lug around another 800#'s compared to the Civic. Large swaybars keep it's handling sharp, it's enjoyable to drive and doesn't start to get sloppy until around 80mph on the mountain twisties.
The motor makes good torque thru 3500-4000 rpm and doesn't need to be revved. I typically get on it pretty hard up to around 3500rpm and then shift up to keep the RPM under 2000 when cruising. For whatever reason, it doesn't seem to affect mileage if you accelerate easy or not, so I wouldn't say I wail on it but I do put my foot in it often.
The automatic version gives up a fair amount of power compared to the manual, and turns a spirited SUV into one with "just adequate" power for the daily grind. I did notice in the city, that the automatic version(our loaner) returned better MPG's in the stop and go thanks to the TQ multiplication of the converter, but lower mpg on those open 50mph county roads.

While not a hypermiler by any means, it's a great vehicle for those needing a do-all for the real world. Note that in 2011 Subaru introduced a new DOHC boxer 4 engine, which brought some more HP and better mpg to the table. 2010's still use the SOHC series of the prior years. Just an FYI if I've inspired you to go shop for one, don't get sold a 2010 unless it's offered at a decent discount to the 2011.
Just my .02

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2011 Forester X 5sp Avg 27.3 mpg
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Old 10-12-2011, 05:45 PM   #2 (permalink)
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rkcarguy -

That's cool to know. Too bad Suby won't make 2WD models. It would be nice to see what their little boxer could do withut the extra weight.

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Old 10-13-2011, 10:03 PM   #3 (permalink)
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rkcarguy -

That's cool to know. Too bad Suby won't make 2WD models. It would be nice to see what their little boxer could do withut the extra weight.

CarloSW2
You will see that when the new Toyota FT-86 comes out with a Subie layout and RWD.
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Old 10-13-2011, 10:07 PM   #4 (permalink)
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You will see that when the new Toyota FT-86 comes out with a Subie layout and RWD.
Oops, apparently the Subaru version of the sports car will have RWD, also. So your wish will come true.
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Old 10-13-2011, 11:13 PM   #5 (permalink)
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It would be interesting indeed, to see what the engine would pull in a sleeker 2wd vehicle.
Often when I get fuel, I stop at a station on the outskirts of town and then have a pretty much non-stop and flat terrain trip ~10 miles home @ 50mph until the last mile which has one stop and drops to 35 and then 25mph.
On this route I've logged a best of 38.9 mpg.
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2011 Forester X 5sp Avg 27.3 mpg
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Old 10-13-2011, 11:21 PM   #6 (permalink)
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It would be interesting indeed, to see what the engine would pull in a sleeker 2wd vehicle.
I'm hoping they bring over the boxer diesel sooner than later! Maybe they won't wait forever, like they did with the WRX, and then realize oops! people actually want these...
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Old 10-19-2011, 12:03 AM   #7 (permalink)
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Nice mpg. I have always like these. Makes me want one more haha.
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Old 07-13-2012, 01:15 PM   #8 (permalink)
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I've also got a 2011 Forester Premium with 5sp. I bought mine for almost the exact reasons the OP on this thread did. I am learning how to drive this car for economy and have driven it, since 11/2011, about 7800 miles. Average MPG is now up to 28.7 lifetime and 29.7 last 90 days. I absolutely love this car.

Will have to start thinking about things like underpans (I think Sub makes one for the Forester but it only goes on the turbo'd versions, would probably fit on mine but also too expensive), fog light vent blocks etc.

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