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Official Subaru Gas Mileage Thread

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Official Subaru Gas Mileage Thread

Old 03-14-2006, 09:21 AM
  #76  
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$2.45 for 93 octane....Ill take that anyday....Try $2.85 for 91....Ahhh the beauty of living in the SF Bay Area.
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Old 03-14-2006, 01:23 PM
  #77  
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I got about 23-24 mpg before my Cobb AP Stage 1 tune. Now I get about 21-22 mpg.
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Old 03-27-2006, 10:23 AM
  #78  
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Location: Dallas, TX
Posts: 131
Car Info: 2002 WRB WRX
Year/Model: 2002 WRX sedan
Modifications: Ecutek, Helix uppipe, Invidia turboback, K&N drop-in, silencer delete elbow, TurboXS HPMBC set at 14.5psi
Non-engine related mods: Tein H-Tech springs, Cobb swaybars, 205/55 Nitto NT450 tires on stock wheels
Fuel used: 76 brand 91 octane.
Latest observed fuel economy calculation: 21.6mpg over last 4 tanks city driving
Best observed: 26.6mpg all highway from Las Cruces, NM to Tucson, AZ. Only difference was Unichip tuned for 93 octane vs. Ecutek tuned for 91.
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Old 03-27-2006, 10:39 AM
  #79  
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Join Date: Oct 2004
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Car Info: 07SubiWRX
02 wrx
MODS:
3in turboback(no muffler)
ported and polished td04
lighter pulleys
aem short ram intake
i get about 19mpg in the city 35-45mph
on the highway at 65mph i can get 26mpg
at about 75-80 ive gotten 22pmg
I usually fill up with shell v-power.
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Old 04-19-2006, 05:19 PM
  #80  
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Car Info: '02 WRX
mileage

Last month I made a 3,000 mile(almost) trip from northern california to new mexico, then up through southern utah and back across hwy. 50 in nevada. Crossing the sierra through heavy snow both ways, and through heavy snow for about 800 miles. My '02 wrx got just a hair below 29 mpg for the trip running on the economy map (cobb tuning).
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Old 04-19-2006, 05:27 PM
  #81  
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Car Info: 02 Impreza WRX sedan
Origami posted by tmort
My '02 wrx got just a hair below 29 mpg for the trip running on the economy map (cobb tuning).
That's excellent!

Please see first post of this thread for other info that you can include in your mileage post that may be interesting and useful to other members.

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Old 04-29-2006, 03:18 PM
  #82  
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Car Info: 02 WRX Wagon, stock FOR NOW
02 WRX Wagon 5MT 39000mi
bone stock
91 octane

I averaged 22mpg from texas to oregon in Feb.

Now the dealer has replaced the clogged up and downpipe with new OEM units.

I'm getting about 24mpg now city/hwy 50/50. Can't wait for a highway trip to see my mileage.

Funny thing is that I was set at 89mph all through New Mexico and got 26 mpg on a tank. I was thinking that maybe it had to do with the higher elevation because mpg dropped with elevation in Arizona. (ran from Amarillo, TX to San Diego in a day 3.5 tanks)
Anybody else annoyed that they can't set cruise higher than 89???? (at least on long trips)
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Old 05-29-2006, 05:10 AM
  #83  
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My 4th entry. When posting, please see first post of this thread for info that should be included in your post. This thread is for calculated gas mileage, only, not guesstimated tankfuls.
year/model: MY02 WRX wingless sedan.
mods that may affect gas mileage: Catless uppipe, 3" catback, factory downpipe and two factory cats. Vishnu Stage Zero reflash (Ecutek). Mobil 1 5W-30 motor oil, Red Line Lightweight ShockProof for 5MT and rear diff, tires inflated to 39 lbs. front, 36 lbs. rear. Stock ride height.
fuel/octane used: Unocal 76, 91 octane (CA premium)
calculated gas mileage: 217.8 miles travelled over two-day weekend round trip Sacramento to San Ramon, using 7.112 gallons of gas equals 30.624 mpg, a new personal best.
type of driving during last fillup: 97% freeway driving, 58 to 65 mph using cruise control when traffic permitted.

I drove slower than posted speed limit of 70 mph on the freeway when it did not constitute a safety hazard to do so. I would match the pace of a big rig in front of me and just allow for a 3-second gap between us. Some of the truck drivers were more consistent than others so I picked the good ones.

The route I chose did include some long up and downhill grades on Hwy 205 connecting to Hwy 580. I also had a couple of short full-throttle blasts to 80 mph to pass slow-moving traffic - not many cars were travelling slower than I was.

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Old 05-29-2006, 09:03 AM
  #84  
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Car Info: 2002 WRB WRX
Originally Posted by DrKicker
Year/Model: 2002 WRX sedan
Modifications: Ecutek, Helix uppipe, Invidia turboback, K&N drop-in, silencer delete elbow, TurboXS HPMBC set at 14.5psi
Non-engine related mods: Tein H-Tech springs, Cobb swaybars, 205/55 Nitto NT450 tires on stock wheels
Fuel used: 76 brand 91 octane.
Latest observed fuel economy calculation: 21.6mpg over last 4 tanks city driving
Best observed: 26.6mpg all highway from Las Cruces, NM to Tucson, AZ. Only difference was Unichip tuned for 93 octane vs. Ecutek tuned for 91.
Added a Perrin lightweigth crank pulley. City mileage went from an average of 21.6mpg to 23.2mpg. Had Ecutek retuned because it was running extremely rich and highway mileage went from 24.0 on the way to the tuner to 26.5 on the way home.
Originally Posted by fastfamilywgn
Anybody else annoyed that they can't set cruise higher than 89???? (at least on long trips)
Yes, and getting an Ecutek reflash doesn't fix this.

Last edited by DrKicker; 05-29-2006 at 09:06 AM.
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Old 05-29-2006, 12:54 PM
  #85  
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Location: Santa Clarita
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Car Info: 03 wrx
Year/Model: 03 WRX Sedan
Mods: catless turbo back, injen cai, sti pink injectors, plugs, walbro fuel pump, vf22, ecutek tuning, grounding kit (haha :-P), running at a regular 16psi, but sometimes 17, and rarely (very rarely) 18.5, kyb adjustable shocks on stiffest setting, spt springs, and 225s on stock rims.
Octane used: CA 91
Milage: averaging anywhere from 18-22 depending on how hard I drive/
Mostly City or highway driving? Mostly a commute from Santa Clarita to Northridge, but occassionally from Santa Clarita to Bakersfield/Frazier Park. So, mostly freeway driving.
Price paid: $3.57
Miles on that tankful: I usually do about 300 miles on a tank before I fill up.
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Old 05-29-2006, 12:58 PM
  #86  
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Location: Hollywood, FL
Posts: 52
Car Info: 2006 STi
Year/Model: 06 STI
Modified: Stock
Octane used: CA-91, Almost always Chevron
Milage: 285 miles to 13 gallons = 21.9 mpg
Mostly City or highway driving: Mostly highway, though stop-and-go through San Francisco for the Bay Bridge shutdown at night.
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Old 05-31-2006, 12:34 AM
  #87  
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Car Info: 06 impreza 2.5i
Year/Model: 06 2.5i Sedan
Mods: none..
Octane used: Shell 92oct w/ Vpower
Milage: 20 mpg
Mostly City or highway driving? Mostly city driving and sometimes highway
Price paid: $3.55 a gallon
Miles on that tankful: 280... this sucks.. well, better than chevron,.. i got 250.

will a lightweight pulley help on gas? thats the only mod avail. for the 2.5i thats why.
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Old 05-31-2006, 07:48 AM
  #88  
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Car Info: 2002 WRB WRX
Originally Posted by nightraven086
will a lightweight pulley help on gas? thats the only mod avail. for the 2.5i thats why.
See post #84. I gained 1.6mpg with the pulley.
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Old 05-31-2006, 08:27 AM
  #89  
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Car Info: 2000 Impreza L sport Wag.
I drove to the bay area last weekend and ended up getting 34.38 miles to the gal.
I was stoked cause around town all i get is 22-25miles per gal.
I can't wait till I get mods on my car that will help that even more (while Im on the freeway at least).
I was going 75-80 most of the time in my bone stock 2000 impreza L wag.

Last edited by subby00; 06-02-2006 at 10:38 PM.
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Old 06-01-2006, 03:32 AM
  #90  
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Originally Posted by DrKicker
See post #84. I gained 1.6mpg with the pulley.
wow.. dang,. i guess i overlooked that one. I guess I'm gonna buy the pulley then. it increases hp too right?

shoot,.. i've been driving like a grandma the whole darn time. 25 on a 25 mph zone at around 1350 rpm 55-60 on the freeway under 3. sucks.. right now, i'm a little less than 3/4 tank and i already drove 100 miles.
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