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Go Back   IWSTI.com: Subaru WRX STI Forums > IWSTI Engine & Drivetrain > 2.5 Liter/Litre Factory Motor


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Old 02-16-2008, 06:10 AM   #1
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Default Whats your stage 2 MPG?

Whats your stage 2 MPG? Well i've been stage 2 for a week and my MPG is horrible. Comes out to be about 12mpg in the city.

Thanks
Manny Z


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Old 02-16-2008, 06:13 AM   #2
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Default Re: Whats your stage 2 MPG?

12mpg? do you drive really hard/like an asshole? lol


i get about 21 on the highway... 18-19 mixed driving... and on super long trips ive been known to push 27mpg.
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Old 02-16-2008, 06:15 AM   #3
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Default Re: Whats your stage 2 MPG?

20-25mpg
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Old 02-16-2008, 06:45 AM   #4
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Default Re: Whats your stage 2 MPG?

I get around 18 MPG around town even if I romp on it a bit and 25-26 MPH on the highway with an average of about 80 MPH.
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Old 02-16-2008, 07:50 PM   #5
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Default Re: Whats your stage 2 MPG?

2007 STi - no tune, fmic/ap2 93oct map/TBE/intake

i get 240-260miles / tank (16g) till E light illuminates, supposedly another 2g in there when that comes on. Thats driving work n back on 40miles both ways @ 60mph w/ 3 traffic lights and cruise control 80% of the trip and i only full throttle on gears 2-3 about half the time (cant help it). Id figure 18mpg. however, I have also done 90mph for almost 4 hours on long trips on same tank of gas (behind the mamas in minivans of course), I had 340miles till E light came on, thats almost another 100miles out of gas tank if driving 90ish vs 60mph.

STi = prolly the most fuel inefficient 4 cylinder out there unless driving 87mph.
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Old 02-16-2008, 07:53 PM   #6
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Default Re: Whats your stage 2 MPG?

Quote:
Originally Posted by chaos311clarity View Post
12mpg? do you drive really hard/like an asshole? lol
I do.

21-22 on average every single tank. No matter how I drive. 80% highway.
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Old 02-16-2008, 08:32 PM   #7
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Default Re: Whats your stage 2 MPG?

I'm about high 19s to over 21. Mixed city and open road, but I have to climb 3,500 ft elevation every workday.
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Old 02-16-2008, 08:37 PM   #8
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Default Re: Whats your stage 2 MPG?

Quote:
Originally Posted by chaos311clarity View Post
12mpg? do you drive really hard/like an asshole? lol


i get about 21 on the highway... 18-19 mixed driving... and on super long trips ive been known to push 27mpg.
Ditto
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Old 02-16-2008, 08:41 PM   #9
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Default Re: Whats your stage 2 MPG?

Quote:
Originally Posted by Lamini View Post
2007 STi - no tune, fmic/ap2 93oct map/TBE/intake

i get 240-260miles / tank (16g) till E light illuminates, supposedly another 2g in there when that comes on. Thats driving work n back on 40miles both ways @ 60mph w/ 3 traffic lights and cruise control 80% of the trip and i only full throttle on gears 2-3 about half the time (cant help it). Id figure 18mpg. however, I have also done 90mph for almost 4 hours on long trips on same tank of gas (behind the mamas in minivans of course), I had 340miles till E light came on, thats almost another 100miles out of gas tank if driving 90ish vs 60mph.

STi = prolly the most fuel inefficient 4 cylinder out there unless driving 87mph.
I have read not to let the tank get below 1/4 tank.

The STI is not even close to the most fuel efficient 4 cyl out there.
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Old 02-16-2008, 08:49 PM   #10
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Default Re: Whats your stage 2 MPG?

My highway mpg went up pretty good, but my around town stayed pretty much the same even though I get on it a little more often now. Before I would get about 300-320 on the highway doing 70(73*)-80(83*)mph and now I get about 380, but I feel 400 is well within reach. Around town @ the half I'm at about 130. Whatever the mpg came out to before or what it's at now I don't care because there is a definite increase. Ignorance is bliss.

BTW- I run the XPT Stage 2 OTS map.

Mods are:

AEM cai
COBB catted downpipe

*STI speedo's are off as we all know. Use to be fast 5mph but since I got 18x8.5's it's now fast by only 3mph.

Last edited by dsupermansti; 02-16-2008 at 08:53 PM.
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Old 02-16-2008, 09:11 PM   #11
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Default Re: Whats your stage 2 MPG?

Stage 2 OTS i got about ~18 city/22hwy

Protune 22city/26hwy

Anyone used the Cobb economy map and have MPG results? Just curious.
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Old 02-17-2008, 08:03 AM   #12
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Default Re: Whats your stage 2 MPG?

Damn - stock ltd and I am lucky if I get 21 - 22, and I drive mostly highway, granted a fair amount of stop and go.


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