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Subaru Forester MPG-Real World Numbers

174 messages,  Last post on May 13, 2009 at 4:45 PM

You are in the Subaru Forester Forum. Your Host is kcram

What is this discussion about? Subaru Forester, Fuel Efficiency (MPG), Wagon


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#124 of 174
Re: 2009 Forester MPG [rich505] by phil53
Sep 02, 2008 (8:16 pm)
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Replying to: rich505 (Sep 01, 2008 2:01 pm)

That is valuable information, since that is the vehicle I'm looking at (the 2.5X, 4AT, Limited). And I just took a similar trip this past weekend. 4 hours each direction (a tad over 150 miles). First 1/2 hour was interstate at 75 mph. The remainder was 2 and 4 lane US highways through rolling hills.
I put the Corsa cat-back exhaust, AEM cold air intake and Hypertech Max Energy E-Con programmer on the Avalanche and actually lost 1 mpg for this particular trip. I'm still trying to figure that one out. I had anticipated about a 2 mpg gain.
My commute sounds like a previous post. 2 or 3 miles of slow suburban driving, then 25 miles of freeway at 65 - 75 (mostly 75) followed by 5 miles of suburban traffic with numerous stop lights (40 - 45 when you're moving). It usually takes me about 40 minutes.
#125 of 174
Re: 2009 Forester MPG [rich505] by stevedebi
Sep 03, 2008 (2:19 pm)
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Replying to: rich505 (Sep 01, 2008 2:01 pm)

"I am impressed with the performance considering only 170HP compared to my previous Ford Ranger 4WD with the 4.0L V6. On this same trip it would average about 20 MPG in the summer with the A/C on. Around town the best would be 15 MPG and in the winter as low as 11-12 MPG "
 
Did you mean 3.0L? That was the V6 in the Escape.
#126 of 174
Re: 'nother nibble [ateixeira] by outpost05
Sep 06, 2008 (6:25 pm)
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Replying to: ateixeira (Jun 21, 2006 10:03 am)

I've had my non-turbo Premium package 09 Forester for 10 days. I spent a week of city driving and got 21 mpg average which equaled my old Ford Explorer highway numbers.
Today I went 170 miles on freeway and got 31 mpg. I am very pleasantly surprised.
#127 of 174
Re: 'nother nibble [outpost05] by ateixeira
Sep 08, 2008 (6:52 am)
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Replying to: outpost05 (Sep 06, 2008 6:25 pm)

Manual or auto?
 
CR got 2mpg better with a manual. We're happy with our auto so I can only imagine the mileage you could get with a 5MT.
#128 of 174
Re: 'nother nibble [ateixeira] by outpost05
Sep 08, 2008 (12:42 pm)
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Replying to: ateixeira (Sep 08, 2008 6:52 am)

The 21 mpg City and 31mpg Highway was with an auto transmission.
 
Another question about chains or cables. If you really needed them, would you put them on the front or back (or would all tires need to have them)?
#129 of 174
Re: 'nother nibble [outpost05] by ateixeira
Sep 09, 2008 (8:15 am)
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Replying to: outpost05 (Sep 08, 2008 12:42 pm)

I would do all 4. The fronts steer and do most of the braking, but with AWD you want all 4 tires with the same circumference.
 
Even with FWD you would not want the rear end slipping and getting in front of you.
#130 of 174
Subaru Conversion to FWD by unclestanky
Sep 17, 2008 (12:42 pm)
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I had a 97 Legacy which had a pretty neat feature. I was wondering if Subaru still has it. There was a single fuse under the hood near the firewall. If you removed the fuse, the car would operate in front wheel drive mode only. Now, gas was cheaper "back in the day", so I wasn't very diligent in monitoring my mileage, but I seem to remember a 3-4 mpg increase when it was in FWD mode. In Colorado, where I live, you really only need AWD for a few months out of the year. Does anyone have any information on if that is still available in Subaru's?
#131 of 174
Re: Subaru Conversion to FWD [unclestanky] by ateixeira
Sep 18, 2008 (7:31 am)
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Replying to: unclestanky (Sep 17, 2008 12:42 pm)

It is, but...it's not really meant to be used full time. It's intended for times when you get flat tires, and for short-term use.
 
I really don't recommend it.
 
Think of it this way - you save $5 a month on gas (whoopee), but lose the functionality of a $1750 option.
#132 of 174
Re: Subaru Conversion to FWD [unclestanky] by jim314
Sep 18, 2008 (8:32 am)
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Replying to: unclestanky (Sep 17, 2008 12:42 pm)

If you did that, you would have be sure to rotate the tires on a regular short schedule, otherwise the tread on the front tires would wear more than the rear and the outside diameter of the front wheels at the tread would get progressively smaller compared to the rear. This would present no problem in FWD mode, but if you reinserted the fuse and returned to AWD mode this would cause wear in the center differential or other AWD components.
 
Why would you want to go to FWD with a flat tire?
#133 of 174
Re: Subaru Conversion to FWD [jim314] by ateixeira
Sep 18, 2008 (10:29 am)
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Replying to: jim314 (Sep 18, 2008 8:32 am)

Subaru recommends that if you get a flat, to put the donut on the rear axle and insert the FWD fuse. This is with auto-AWD only.

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