2.0 turbo or 2.5 turbo
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This is a discussion on 2.0 turbo or 2.5 turbo within the New Member Hangout forums, part of the Community - Meet other Enthusiasts category; I am looking to buy my first wrx and am looking at a 2004-2005, I dont know much about these ...

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    2.0 turbo or 2.5 turbo

    I am looking to buy my first wrx and am looking at a 2004-2005, I dont know much about these cars to much but am curious if its worth the extra cash to get the 2006 with the 2.5 turbo. I do plan on modding the car later either way. maybe someone can shed some light. better fuel mileage, more reliable, more power etc. thanks in advance.

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    It will be my daily driver for now, even though I only live about 5 miles from work.

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    Master Baiter EJ257's Avatar
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    The additional torque from the 2.5L makes it a better DD, IMO
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    whats the comparison as to how much power I can get out of the two, are they both pretty close minus tourqe on the 2.5? I kind of like the 2004 2005 body style better.

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    The 2.5L will make more power every where throughout the power band, and will be capable of handling more power after modding as well.


    If you like the 04-05 body style, maybe look into a 2005 STi. It will be more conducive to modding with the 2.5L, and you won't have to worry about the transmission as increase the power.

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    Some people enjoy the higher-revving character of the 2.0. When I put a new engine in my 2002, I went to a 2.5 (with 2.0 heads), and have no regrets. The difference in low-end torque (prior to turbo spoolup) is noticeable and welcome. I don't get the same fuel economy, but that likely has more to do with my mods.

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    welcome! thats what id like ^^^. but i cant complain with my little 2.slow. she does well but next car will be 2.5
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    Having owned a WRX with the 2.0L and one with the 2.5L... 2.5L all the way. It's just overall better for almost every concievable way.

    The only thing I miss about the 2.0L is it felt like the power hit a little bit harder, in a way that was just fun. Probably because it took so damn long to get into the usable power range. The 2.5L is by far smoother on power delivery, though.
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    My 2.5 hits waaay harder than my 2.0's ever did...but that's because 18gracecar.
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    Quote Originally Posted by MainFrame View Post
    The 2.5L will make more power every where throughout the power band, and will be capable of handling more power after modding as well.


    If you like the 04-05 body style, maybe look into a 2005 STi. It will be more conducive to modding with the 2.5L, and you won't have to worry about the transmission as increase the power.
    I disagree about the power ceiling. 350whp puts both motors into the danger zone *cue music*
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    OMG WTF MainFrame's Avatar
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    Quote Originally Posted by zax View Post
    I disagree about the power ceiling. 350whp puts both motors into the danger zone *cue music*


    You're going to have to push a 2L harder to make the same power as a 2.5L (especially torque wise).. be it more timing, more boost, bigger turbo, leaner mix. Based on that alone I would expect a 2L on average to give way sooner. Of course that's not always the case. And if you're serious about modding and keeping it drivable I would hate trying to spool a 35r on a 2L ej.

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    thanks for all the input, I think Im going to go with a 2.5, I will try to find a 05 sti in my price range that hasnt been thrashed, but its looking like a 06, 07 is all im going to be abkle to afford at the moment, Im getting out of my 5mpgs in my gas 96 350 so I can start saving more money again. lol. I am curious though, down the road, would a sti 6spd tranny bolt right up to the 2.5? I know the sti's use a 2.5, just not sure what the differences are. or is it even worth it. I would like to get a lil over 300hp eventually out of it. probabley a couple years down the road.

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    Re: 2.0 turbo or 2.5 turbo

    Quote Originally Posted by MainFrame View Post
    You're going to have to push a 2L harder to make the same power as a 2.5L (especially torque wise).. be it more timing, more boost, bigger turbo, leaner mix. Based on that alone I would expect a 2L on average to give way sooner. Of course that's not always the case. And if you're serious about modding and keeping it drivable I would hate trying to spool a 35r on a 2L ej.
    Agreed. 400whp on a 2.5L will be much more driveable on the street compared to 400whp on a 2.0L.

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