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Old 07-23-2008, 12:12 PM   #126
BlueDoom
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Member#: 163777
Join Date: Nov 2007
Chapter/Region: MAIC
Location: Leesport PA
Vehicle:
2008 2009 Jeep
Blue

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08 OBS with 850 miles. Comp shows 23.1 MPG ....slowly increasing.
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Old 07-28-2008, 07:06 PM   #127
Pirce39
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Member#: 182870
Join Date: Jun 2008
Chapter/Region: Tri-State
Location: Norwalk, CT
Vehicle:
2009 WRX - Stage 2!
2006 GSXR750

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I calculated my mpg the other day at about 29. I mostly drive highway. ('07 2.5i, 5 speed)
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Old 07-28-2008, 07:15 PM   #128
jt0thevizzle
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Chapter/Region: SCIC
Location: Southern California.
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Almost 28 with manual. Light on gas pedal and cruise control ftw.
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Old 07-29-2008, 04:00 AM   #129
efaroh
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Member#: 166947
Join Date: Dec 2007
Chapter/Region: SCIC
Location: OC
Vehicle:
2006 WRX Sedan
Crystal Gray Metallic

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26 mpg on a good tank (driving speed limit)
22 mpg moderately aggressive driving (75-80mph)


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Old 08-03-2008, 10:02 PM   #130
haybeav
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Member#: 185384
Join Date: Jul 2008
Location: STL
Vehicle:
2012 GTI

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Around 22 mpg on a 08 2.5i Manual. About 65% city driving, 35% Highway.
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Old 08-04-2008, 09:48 PM   #131
nobletea
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Member#: 169623
Join Date: Jan 2008
Location: MidAtlantic
Vehicle:
2008 2.5i 5d 100k+
Dark Grey Metallic

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Update:
22500 miles, 08 2.5i hatch auto (driven in manual gate quite a bit)
mostly highway, 65-72mph or so

28.5mpg (usa) overall avg and rising.

pure highway is about 29-32mpg.

carry on...
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Old 08-04-2008, 11:07 PM   #132
Jaylyons1
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Member#: 113884
Join Date: May 2006
Chapter/Region: MAIC
Location: Baltimore, MD
Vehicle:
2013 BRZ
Black

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I had 18-23 in my 04 STi 19-26 in my 05 STi & I get 21-30 in my 06 WRX. This was all spirited driving averages.
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Old 08-07-2008, 08:14 PM   #133
FLZ_Boy
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Member#: 186303
Join Date: Aug 2008
Chapter/Region: SCIC
Location: So. Cal
Vehicle:
2011 Legacy 2.5i 6MT
SPW

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My 5-Speed 2.5i got roughly 35MPG on a roundtrip from Los Angeles to Long Beach and back (all highway).
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Old 08-11-2008, 01:26 PM   #134
lostinthesparks4
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Member#: 182430
Join Date: Jun 2008
Location: High Point, NC
Vehicle:
2008 Impreza 2.5i
Newport Blue Pearl

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08
2.5i
auto
premium package
3200 on the clock
oil changed to synthetic
city 25 or 26
highway 28.4-29.4
I'm also running BP premium gas
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Old 08-18-2008, 06:52 PM   #135
yurosubaru
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Member#: 187245
Join Date: Aug 2008
Location: NJ
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2008 Impreza
Silver

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I have 450 miles on the odometer I'm getting between 21-22mpg .
Guys what is your RPM @ 55 MPH ? My Subie has ~2300 RPM at 55 MPH I think it`s little to high - wonder if my overdrive is working right.
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Old 08-18-2008, 07:23 PM   #136
Retribution
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Quote:
Originally Posted by lostinthesparks4 View Post
08
2.5i
auto
premium package
3200 on the clock
oil changed to synthetic
city 25 or 26
highway 28.4-29.4
I'm also running BP premium gas
Why bother running on premium gas? I use regular and I get easily average 29.1 MPG on combined trips. On occasions when I play the "Lets see how high I can get my MPG after refuel" game I can get 33MPG on the clock. I just think it's useless to put premium gas when a 2.5i car. It's not like we're driving BMW's or anything.

Quote:
Originally Posted by yurosubaru View Post
I have 450 miles on the odometer I'm getting between 21-22mpg .
Guys what is your RPM @ 55 MPH ? My Subie has ~2300 RPM at 55 MPH I think it`s little to high - wonder if my overdrive is working right.
Sounds about right, I notice when I hit 80mph it's just above 3,000rpm's.
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Old 08-30-2008, 03:22 PM   #137
RamiusOO7
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Member#: 187348
Join Date: Aug 2008
Chapter/Region: E. Canada
Location: Behind the wheel
Vehicle:
2008 STI
White

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Pleasantly surprised that my 08 STI is getting 20mpg with my lead foot driving 95% city.
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Old 08-30-2008, 08:06 PM   #138
Nacron
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Member#: 187115
Join Date: Aug 2008
Chapter/Region: HIIC
Location: Waipahu, HI
Vehicle:
2010 Legacy 2.5i
Steel Silver Metalic

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getting 24.3 average mixed city and highway with my 2.5i auto hatch.
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Old 09-03-2008, 11:39 PM   #139
torquelover
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Member#: 187383
Join Date: Aug 2008
Chapter/Region: MWSOC
Vehicle:
2008 2.5i Manual 4DR
OBP on Ivory

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'08 4-door 2.5i Manual, A/C off, tires at 33/32 PSI, single occupant, 87 octane:
27-30 city, shifting @ 2krpm or less, light throttle;
33-40 highway, steady 60 MPH.

With lead-footed Fiance driving, A/C on:
23-25 city;
25-28 highway.
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Old 09-04-2008, 05:17 PM   #140
QuikShft
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Member#: 188581
Join Date: Sep 2008
Chapter/Region: NESIC
Location: CT
Vehicle:
2008 Impreza 2.5i
Dark Gray

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08 4-door 2.5i manual with 19,500 miles getting 28+ mpg with 50% city, 50% highway driving and the AC on when needed. I usually shift between the 2,000-2,500 rpm range on flat areas and 3,000-3,500 going up steep hills. Even driving hard I've never seen my mileage drop below 27. I don't understand how some people are only getting 22-23 taking it easy, when I can get 34 mpg taking it easy and 27 mpg driving with a heavy foot.
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Old 09-05-2008, 03:07 PM   #141
Troa
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Join Date: Jun 2008
Chapter/Region: NWIC
Location: Kent, WA
Vehicle:
'98 OBS
Black

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08 wrx 5-door-

ive had my "Trip A" set since i bought my car, about 3500 mi now and im averaging 23.4mpg. My "Trip B" I reset between oil changes and i have 22.8 @ 800 mi. I drive pretty spirited, usually shifting around 3k, sometimes higher. I commute to work via city streets, but i make frequent trips to seattle (about 20-30 min north via the freeway)
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Old 09-05-2008, 03:57 PM   #142
nobletea
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Member#: 169623
Join Date: Jan 2008
Location: MidAtlantic
Vehicle:
2008 2.5i 5d 100k+
Dark Grey Metallic

Default

Quote:
Originally Posted by nobletea View Post
Update:
22500 miles, 08 2.5i hatch auto (driven in manual gate quite a bit)
mostly highway, 65-72mph or so

28.5mpg (usa) overall avg and rising.

pure highway is about 29-32mpg.

carry on...
minor update/additional info:
overall average is up to 28.8, with a couple 29.1 spikes.
use cruise control almost 60% on the highway.
used trip B to get a ramp-to-ramp highway calculation, and it was 33.5mpg and rising over about 30 miles.
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Old 09-10-2008, 05:07 PM   #143
aprezzal
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Member#: 126480
Join Date: Sep 2006
Chapter/Region: Tri-State
Location: South Jersey
Vehicle:
1993 Impreza L FWD
Red

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I get 30-32 MPG with my 93 Impreza wagon..Unfortunately for mileage sake they no longer make a FWD or the 1.8 liter motor..
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Old 09-10-2008, 05:59 PM   #144
bulletproof4130
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Member#: 173704
Join Date: Mar 2008
Chapter/Region: MAIC
Location: MD
Vehicle:
07 No Show and No
Go 2.5 N/A

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Averaged 30 from the shore, to philly, and back last night with my 07 4eat 2.5i
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Old 09-11-2008, 03:30 PM   #145
Doozi
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Member#: 159787
Join Date: Sep 2007
Chapter/Region: RMIC
Location: Colorado's Front Range
Vehicle:
2008 Impreza Outback
Silver

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'08 Outback Sport w/ 5-speed and moderately aggressive suburban driving = 26.1 avg. mpg (3 month running average on the car's computer)

~Doozi
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Old 09-11-2008, 05:14 PM   #146
FLZ_Boy
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Member#: 186303
Join Date: Aug 2008
Chapter/Region: SCIC
Location: So. Cal
Vehicle:
2011 Legacy 2.5i 6MT
SPW

Default

2008 2.5i Sedan 5MT PP

After 2,900 miles:

50% City / 50% Highway: 24.9 MPG

15% City / 85% Highway: 29.4 MPG (Work Route with no traffic)

100% All Highway: 37.5 MPG (187 mile roundtrip)

Normal Driving (Some WOT runs): 27.4 MPG
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Old 09-13-2008, 11:04 PM   #147
EEExotic
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Member#: 183450
Join Date: Jun 2008
Vehicle:
2005 2.5 RS
Obsidian Black Pearl

Default

2005 2.5i manual with 30K miles. I got 34.2 MPG on my last tank of gas. I ran 85 Octane with 2.5 oz. of Acetone. I've ran acetone in my fuel for the last 5 tanks and have gotten pretty good milage.
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Old 01-02-2013, 09:56 PM   #148
STIcurby
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Member#: 342260
Join Date: Jan 2013
Chapter/Region: NESIC
Vehicle:
08 WRX STI
black

Default 08 WRX STI 5 door

you guys are all so lucky. im only getting around 14mpg in city and like 21.7 on the highway. don't know whats going on
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Old 01-02-2013, 10:37 PM   #149
aeoporta
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Member#: 334126
Join Date: Oct 2012
Chapter/Region: Tri-State
Location: New York
Vehicle:
2013 5mt Sp Premium
Venetian Red & Dark Gray

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its alive,
perhaps your car needs to relearn fuel trim.

http://forums.nasioc.com/forums/show...ht=new+battery

post 2 by uncle scotty
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