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Old 05-02-2007, 01:22 PM   #1
illegal2.2
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Member#: 58329
Join Date: Mar 2004
Chapter/Region: MWSOC
Location: MN
Vehicle:
97 Legacy GT
Rio Red

Default Legacy's MPG thread

wanted to see what others are running and getting as far as performance and gas mileage.

my power mods from engine going in and going out is
-ebay aluminum tube w/hks SS filter
-lighten crank pulley (mr.josh)
-borla headers
-random tec high flow cat
-stromung catback

i just tested my last 3 tank fulls. error% is roughly .5gallons give or take. i pump a full tank and reset the clock. when i refill, i try to top off the like i did the last refill and take the #in gallons and divide by mileage. my best tank was 28mpg! the least was 25-26 mpg. but wondering what others are running.

choung
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Old 05-02-2007, 01:36 PM   #2
battman
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Join Date: Mar 2006
Location: Boise, Idaho
Vehicle:
2000 Leg GT
Dentastic

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Yeah, I wish I was getting gas mileage like that.

-borla headers
-STI axle back
-custom made intake piped through fender
-K&N air filter

Last time I checked I got 19 MPG, BOOOOOO!!! of course, all my driving is in town and hardly any highway. but still, my gas mileage sucks!
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Old 05-02-2007, 02:02 PM   #3
IronMonkeyL255
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Join Date: Jun 2003
Chapter/Region: South East
Location: Greenville, SC
Vehicle:
1991 Rio Red
Legacy Turbo

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I generally get around 19 or 20.

Then again, I have a turbo attached to a slushbox.......

Stromung 2.5" turboback
Green high-flow replacement filter
snorkus-ectomy
intake resonator delete (coffee mug)
Mr. Josh lightweight crank pulley (NOT underdriven)
WRX intercooler
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Old 05-02-2007, 02:04 PM   #4
illegal2.2
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Join Date: Mar 2004
Chapter/Region: MWSOC
Location: MN
Vehicle:
97 Legacy GT
Rio Red

Default

sorry, also forgot to add mileage of motor and what city/hwy driving

i have 160k and drive roughly 60/hwy 40/city
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Old 05-02-2007, 02:53 PM   #5
rougeben83
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Location: NYC
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2005 Outback XT
White on grey

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City, average 22-23mpg NYC driving, 15 mpg ()

Highway, depends on what I'm carrying, but on an empty car I've managed 30mpg w/over-inflated tires on one leg of my detroit-nyc trip.

2.5" catback, sti muffler, header (no real loss in MPG between the borlas and TWE I now run) and hacked factory intake.
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Old 05-02-2007, 03:12 PM   #6
runninstrong
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Location: Middle East of CT
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1991 SS & 2013 STi
Red & Blue

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Neither Leg has mods, but stock 07 n/a gets about 31mpg on a good day, thats usually highway driving, at 65.
The 95 gets maybe about 28mpg hwy, which isn't bad conisdering its got over 200k miles. This car has a smaller tank than the 07, so it doesn't take much to fill it either.
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Old 05-02-2007, 03:16 PM   #7
subielicious02
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Location: portland, oregon
Vehicle:
1991 legacy
gold brown champagne ish

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my 91 gets 18 no matter how i drive, where i drive, or what im hauling.
-intake
-2.25'' header back straights.
-cant forget bout the FUNCIONAL wrx hood scoop. woot woot
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Old 05-02-2007, 05:53 PM   #8
Wiscon_Mark
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1995 Legacy OB 5MT
2003 Forester X 5MT

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1995 Legacy 5MT EJ22

Intake (eBay), headerback exhaust (stromung, STi)

I just got 30mpg on a trip to Milwaukee, about 350 miles of highway and 50 of city, so I was pretty happy with that.

On average, I get 26-29 in the Summer, mixed driving
and more like 24-26 in the winter, mixed driving

If I did a lot of city driving, it would no doubt drop to 22 or 23...

Oh yeah, and 187,000 miles on the engine, still running with almost all the original stuff.
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Old 05-02-2007, 07:18 PM   #9
Jonathan
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1999 Legacy GT Ltd
Quick Silver Metallic

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My five-speed, 2.5 Liter DOHC 1999 Legacy GT gets roughly 24 MPG in mixed driving, and maybe 28-30 MPG highway.

My 4-speed automatic 1996 2.2 Liter Legacy "L" gets roughly 18-20 MPG in short-length, heavy-traffic commuting. It has gotten as low as 16 MPG, and as high as the mid 20ies (when I take it out on the highway). If I did all highway, whilst taking it easy, I don't doubt that I could likely count on 28-30 MPG.

The older, less efficient "slush box" 4EAT tranny, and the lower compression, non-interference 2.2 litre motor definiately dont provide as good fuel milage as one might hope. My understanding is that the 2.2 litre Legacy motor gained fuel economy and power in 1997 (when it became an interference motor), and in 1998 the 4EAT was modified for more efficient operation.
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Old 05-03-2007, 02:06 PM   #10
sadsack
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Join Date: Dec 2005
Chapter/Region: TXIC
Location: Aggieland
Vehicle:
2003 Legacy - RIP

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Around town I average 20-22 mpg (I like to keep engine rpms above 2.5K). At highway speeds (75 mph) I can get up to 27 mpg if I don't use the AC, 24-25 mpg otherwise.

I'm running z-rated tires and have about 100 lbs extra weight from soundproofing - these two factors probably shave 2 mpg off what it would be otherwise.

2003 Legacy wagon 5MT
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Old 05-03-2007, 03:32 PM   #11
Sub_Speed_Guy
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2004 WRX
OEM +

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I get 22-23MPG with mixed driving consistantly.
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Old 05-03-2007, 09:16 PM   #12
badbasser98
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Location: Upstate, NY
Vehicle:
2011 WRX Limited
DGM

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2002 Legacy GT with 4EAT

custom intake with WRX axle-back (in other words, stock )

25-27 summer
20-21 winter
30-31 highway (70-75MPH)
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Old 05-04-2007, 11:09 AM   #13
driftingouttosea
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W

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my '96 legacyOB standard shift gets 30mph city & hwy (75-80)
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Old 05-04-2007, 11:18 AM   #14
illegal2.2
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Join Date: Mar 2004
Chapter/Region: MWSOC
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97 Legacy GT
Rio Red

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30mpg would be nice. maybe i need a tune-up. btw drift, how many miles you got on the clock for a 96?

choung
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Old 05-04-2007, 12:07 PM   #15
legacy1907
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05 WRX CGM
95 YJ Flat black

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97 LGT gets about 18 on a daily basis
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Old 05-04-2007, 12:15 PM   #16
illegal2.2
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Join Date: Mar 2004
Chapter/Region: MWSOC
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97 Legacy GT
Rio Red

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18^ wow, how do you drive? mt or auto? miles? i never seen 18 on my97 gt before

choung
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Old 05-04-2007, 01:13 PM   #17
rexspeedworthy
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05 LGT wagon 5 spd here. Just drove to Dallas from Cincinnati and got 24mpg with the cruise at about 80 on stage I Accessport, otherwise stock.

That's acceptable for me.
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Old 05-04-2007, 01:21 PM   #18
illegal2.2
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Join Date: Mar 2004
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97 Legacy GT
Rio Red

Default

i'm guessing it's a gt^ 24mpg is pretty good for that 25t

choung
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Old 05-04-2007, 01:56 PM   #19
driftingouttosea
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W

Default '96 Legacy OB MPG

Quote:
Originally Posted by illegal2.2 View Post
30mpg would be nice. maybe i need a tune-up. btw drift, how many miles you got on the clock for a 96?

choung

151k on my 96. Original plugs and wires. It's starting to run rough, but the mileage hasn't changed. But pro'lly time for a tune up.
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Old 05-04-2007, 07:27 PM   #20
Farfrumwork
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'85 EJ25 Syncro Westy

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'93 Turbo leg , 5spd (vf12, A/W IC, 3"TBE, pulley, 12-13psi) 90,xxxmi - well maintained

21-23 mixed (commute) and I don't take it that easy
25-27 hwy, I never drive on flat hwy's - my hwy is a 7,000ft climb over a mnt pass, and I normally will hit tripple digits a few times in that drive. of course coming down is a 7,000ft descent (so it's probably 15-18up and 35+ down) haha

I lOVE this car!!
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Old 05-06-2007, 10:49 PM   #21
Dan Cech
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Chapter/Region: Tri-State
Location: Central NY
Vehicle:
1997 Legacy GT/WRX
White

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1997 GT

Intake: snorkusectomy, non-resonated 96GT intake tube
Exhaust: borla headers, random tech cat, sti catback (replaced sti resonator with a straight-through type)

Over the past 8,715 miles I've averaged 20.85 mpg. Over that time I've seen a best mileage of 26.48 (cruising at approx 60MPH) and a worst of 13.52 (lots of short trips in cold weather with a CEL).

I keep track of my mileage with pFuel on my Treo, so I also know that I've spent $1,238.70 or $0.14/mile over that period
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Old 05-07-2007, 12:39 AM   #22
illegal2.2
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Join Date: Mar 2004
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Vehicle:
97 Legacy GT
Rio Red

Default

wow^ i average about 10cents a mile ouch

choung
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Old 05-07-2007, 01:22 PM   #23
MYfirst00
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2011 WRX
Satin White Pearl

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22mpg this past week on mixed driving in my 00 Legacy GT. I usually floor it onto the highway.
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Old 05-08-2007, 08:52 AM   #24
oncesir
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98 LGT 5 spd with 107k snorkusectomy with SPT axleback and slightly higher tire pressure. I average 25-28 in a 50/50 city highway mix. I just filled up yesterday with 325miles to 12 gallons of gas at refill. Im a spirited driver but mostly in the turns, its cheaper.
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Old 05-08-2007, 01:21 PM   #25
legacy1907
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95 YJ Flat black

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Quote:
Originally Posted by illegal2.2 View Post
18^ wow, how do you drive? mt or auto? miles? i never seen 18 on my97 gt before

choung
5 M/T, mostly city driving. I got close to 300 miles on my last tank and that included all highway driving with an autox in the middle. Granted my highway miles were at about 70mph +
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