2015 WRX vs 2015 STi dyno and track comparison
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This is a discussion on 2015 WRX vs 2015 STi dyno and track comparison within the Comparison: WRX vs World forums, part of the Community - Meet other Enthusiasts category; I'm not sure if this has been posted already. If so, sorry for the repost. Road and Track Testing Dyno ...

  1. #1
    Registered User SGOSWRX's Avatar
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    2015 WRX vs 2015 STi dyno and track comparison

    I'm not sure if this has been posted already. If so, sorry for the repost. Road and Track Testing

    Dyno numbers at the wheels for both cars.
    I'd post the dyno sheets but Photobucket is currently down.

    2015 WRX - Horsepower, 223 hp @ 5800 rpm, Torque 245 lb-ft @ 3850 rpm
    2015 WRX STi - Horsepower, 247 hp @ 6400 rpm 243 lb-ft @ 5000 rpm

    0-60 mph times
    WRX - 5.2 sec (manual)
    STi - 4.8 sec

    1/4 mile times
    WRX - 13.7 @ 99.5 mph
    STi - 13.3 @ 102.8 mph

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    Quote Originally Posted by SGOSWRX View Post
    I'm not sure if this has been posted already. If so, sorry for the repost. Road and Track Testing

    Dyno numbers at the wheels for both cars.
    I'd post the dyno sheets but Photobucket is currently down.

    2015 WRX - Horsepower, 223 hp @ 5800 rpm, Torque 245 lb-ft @ 3850 rpm
    2015 WRX STi - Horsepower, 247 hp @ 6400 rpm 243 lb-ft @ 5000 rpm

    0-60 mph times
    WRX - 5.2 sec (manual)
    STi - 4.8 sec

    1/4 mile times
    WRX - 13.7 @ 99.5 mph
    STi - 13.3 @ 102.8 mph

    makes me more glad i got my 2014.

  4. #3
    Registered User Blackfin's Avatar
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    Dsport magazine and Tomei worked to disassemble and analyze the FA20/T. It's got some nice features but, from a performance and durability perspective, I question stuff like:
    - the drop in displacement from 2.5L to 2.0
    - the increase in compression to high-for-a-turbo 10.6:1; possible with DI but might make tuning tricky, esp with cast pistons
    - the drop in bore from the EJ257's 99.5mm to 86.0mm
    - the increase in stroke from 79mm to 86mm
    - pistons that are still cast and which run bore clearances from 0.0004" to 0.0012" increasing chances of scuffing
    - questionable geometry on what appear to be cracked-cap connecting rods
    - open-deck block
    - reduced diameters on the rod- and mains-journals

    Time will tell how well this engine will do in the hands of tuners and enthusiasts.

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    Administrator RayfieldsWRX's Avatar
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  6. #5
    Registered User SGOSWRX's Avatar
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    I saw my first 2015 WRX STi on the road. Don't know if it's a pre-production model or what. I didn't know the 2015 WRX STi' were for sale yet? Either way the car looked better than I thought it would. The pictures I've seen on the net and in magazines really don't do it justice. It looked quite aggressive with a lot of sharp angles. That along with the rear wing balanced the car out rather well.

    It stood out like a sore thumb (in a good way) in the morning rush hour traffic.

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