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  #1  
Old 29-06-2008, 05:30 PM
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Exclamation WRX/STI Factory Specs - Performance Figures

After 13 years of using the Impreza sedan platform for the WRX/STI, Subaru change direction and released the MY08 "Ugly Betty" hatchback Impreza.

Some say they have SOLD OUT and gone mainstream, softened the WRX image to sell to the masses, especially those in the USA.

But how soft in Performance terms have they actually evolved the Impreza WRX/STI into over the years...lets see:

***These are Subaru Oz. Factory Specs, except where annotated***

MY94-96 WRX Sedan 4dr Man 5sp 4WD 2.0T (TD05 Turbo)
155KW:270NM / 1245 kg (kerb weight with a full fuel tank)
8.03 kg/KW
0-100 Km/h 6.4s

MY97/98 WRX Sedan 4dr Man 5sp 4WD 2.0T (TD04 Turbo)
155KW:290NM / 1255 kg
8.10 kg/KW
0-100 Km/h 6.6s

MY99/00 WRX Sedan 4dr Man 5sp 4WD 2.0T
160KW:290NM / 1270 kg
7.94 kg/KW
0-100 Km/h 5.99s 1/4 mile 14.27s **

MY01 WRX Sedan 4dr Man 5sp 4WD 2.0T (120 kg weight increase with MY99/00 gear ratios - the SLUG!)
160KW:292NM / 1390 kg
8.69 kg / KW
0-100 Km / h 6.35s** 1/4 mile 14.75s **

MY02 WRX Sedan 4dr Man 5sp 4WD 2.0T (4.444 Final Reduction Gear Ratio, Shorter Gearing over MY01 1st-3rd - Same now as MY99/00 STI)
160KW:292NM / 1390 kg
8.69 kg / KW
0-100 Km/h 6.43s : 1/4 mile 14.62s **

MY03-05 WRX Sedan 4dr Man 5sp 4WD 2.0T (AVCS, Increase to 9.0:1 Compression, Sodium Filled Exhaust Valves)
168KW:300NM / 1395 kg
8.30 kg / KW
0-100 Km/h 5.69s : 1/4 mile 13.92s **

MY06/07 WRX Sedan 4dr Man 5sp 4WD 2.5T
169KW:320NM / 1415 kg
8.37 kg /KW
0-100 Km/h 5.9s

MY08 Hatchback 5dr Man 5sp 4WD 2.5T (Dual AVCS - Inlet and Exhaust Cams)
169KW:320NM / 1395 kg
8.25 kg / KW
0-100 Km/h 6.03s : 1/4 mile 14.05s ++

++ New Entry
MY09 WRX Sedan 4dr Man 5sp 4WD 2.5T (MY08 STI Turbo - final retirement of the TD04 / Free-er flowing exhaust finally!!!)
195KW:343NM / 1395 kg
7.15 kg/kW
0-100 Km/h 5.31s : 1/4 mile 13.27s ++

---------------------------------------------------------------------

MY99/00 WRX STi Version 5/6 Sedan 2/4dr Man 5sp 4WD 2.0T
206KW:353NM / 1270 kg (Likely less KW + NM for Oz spec on 98 RON Fuel)
6.17 kg/KW
0-100Km/h 4.9s (Jap Spec see www.4wdonline.com/Subaru/Impreza/WRXSTi.html)

MY02-05 WRX STi Sedan 4dr Man 6sp 4WD 2.0T (Semi Closed Deck + AVCS + Forged Pistons - STI's tuffest engine!!)
195KW:343NM / 1470 kg
7.54 kg / KW
0-100Km/h 5.4/5.5s

MY06/07 WRX STi Sedan 4dr Man 6sp 4WD 2.5T
206KW:392NM / 1495 kg
7.26 kg / KW
0-100Km/h 5.4s

MY08 WRX STi Hatchback 5dr Man 6sp 4x4 2.5T
221KW:407NM / 1505 kg
6.81 kg / KW
0-100Km/h 5.2s

MY08 WRX STi Spec R Hatchback 5dr Man 6sp 4x4 2.5T
221KW:407NM / 1492 kg (BBS Wheels = 13kg less)
6.75 kg / KW
0-100Km/h 5.2s

MY98 WRX STI 22B 2dr Sedan 4WD 2.2T
206KW:363NM / 1270kg (Jap Spec see www.subaru-sti.co.jp/product/22b or www.22b.com/media_jap22b.htm)
6.17 kg / KW
0-100 Km/h 5.2s : 1/4 mile 13.3s


0-100 Km/h Times (Subaru Oz):
======================

4.9s -- STI 99/00 (http://www.4wdonline.com/Subaru/Impreza/WRXSTi.html)
5.2s -- STI 22B (www.subaru-sti.co.jp/product/22b/top.html)
5.2s -- STI 08
5.31 -- WRX 09 Sedan ++
5.4s -- STI 02-->07
5.69 -- WRX 03-->05
5.80 -- WRX 08
5.90 -- WRX 06/07
5.99 -- WRX 99/00
6.35 -- WRX 01
6.40 -- WRX 94-->96
6.43 -- WRX 02
6.60 -- WRX 97/98



Kg / KW Comparison
==============

6.17 -- STI 22B
6.17 -- STI 99/00
6.75 -- STI 08 Spec R
6.81 -- STI 08
7.15 -- WRX 09 Sedan
7.26 -- STI 06/07
7.54 -- STI 02-->05
7.94 -- WRX 99/00
8.03 -- WRX 94-->96
8.14 -- WRX 97/98
8.25 -- WRX 08 Hatch
8.30 -- WRX 03-->05
8.37 -- WRX 06/07
8.69 -- WRX 01/02



KW at Flywheel (Factory Specs):
======================

221KW - STI 08
206KW - STI 22B
206KW - STI 99/00 + STI 06/07
195KW - STI 02-->05
195KW - WRX 09 Sedan
169KW - WRX 08 Hatch
168KW - WRX 03-->05
160KW - WRX 99-->02
155KW - WRX 94-->98



Torque (NM) at Flywheel/RPM
====================

407NM@4000 - STI 08
392NM@4000 - STI 06/07
363NM@3200 - STI 22B
353NM@4000 - STI 99/00
343NM@4000 - STI 02-->05
343NM@4000 - WRX 09 Sedan
320NM@2800 - WRX 08
320NM@3600 - WRX 06/07
300NM@3600 - WRX 03-->05
292NM@3600 - WRX 01/02
290NM@4000 - WRX 97-->00
270NM@4000 - WRX 94-->96


** Performance figures for the 99-->03 WRX are taken from Subaru Oz testing in July 2003.

++Performance figures for 09 WRX Sedan from Subaru Oz testing Marulan Driver Training Centre N.E. Victoria Spring 2009

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Last edited by WRXTASY; 06-12-2008 at 01:38 PM.
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Old 29-06-2008, 05:45 PM
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so am i right in thinking 206kw is 280bhp??

i am trying to work out kw and bhp differnaces thats all
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Old 29-06-2008, 06:07 PM
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0.746 Kw = 1 Bhp

206kw = 276 Bhp
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Old 29-06-2008, 06:14 PM
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cheers thats what i though i just said 280 refering to std power i meant 276
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Old 29-06-2008, 07:09 PM
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so the 08 is only just catching the MY99 in 1/4 mile times? shows the old power to weight ratio coming into play.tis a pity there is no accurate test of each yera in lap times, the chassis differences are pretty huge
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Old 29-06-2008, 07:19 PM
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be a nicer comparison with the JDM 2.0L's though
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Old 29-06-2008, 07:48 PM
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are they really that underpowered oz official cars???

compared to there jdm cousins....
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Old 29-06-2008, 07:50 PM
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aus cars are offseting the torque with a 2.5 litre.

hp per litre, the non-jdm cars are down.
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Old 29-06-2008, 08:05 PM
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i see!! so its jdm all the way for me then
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Old 06-12-2008, 12:41 PM
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Kg / KW Comparison:
6.81 -- STI 08
7.15 -- WRX 09 Sedan
7.26 -- STI 06/07
7.54 -- STI 02-->05

353NM@4000 - STI 99/00
343NM@4000 - STI 02-->05
343NM@4000 - WRX 09 Sedan

206KW - STI 99/00 + STI 06/07
195KW - STI 02-->05
195KW - WRX 09 Sedan

Seems Subaru have finally woken up to themselves with the release of the 09 WRX Sedan.
Its interesting to note that the 09 WRX now has identical power and torque figures to that of the EJ207 02-->05 STi but carries 75 Kg less weight and has dual AVCS for a better torque spread.

09 WRX will be good Bang for the Buck again me-thinks!!!!
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