Asked by Jan 03, 2009 at 03:31 AM about the 2004 Subaru Impreza WRX STI Turbo AWD

Question type: General

How much horse power does the 2004 Subaru WRX STi have?

4 Answers


the EJ257(17) in the 04-07 STi's was rated at 293 hp at 600RPM and 290 ft-lbs @ 4000RPM Reference nasioc.com


meant 6000 not 600


Well, the 04 & 05, at least, were actually rated at 300hp and 300ft lbs before the rating systems were changed.


My 06 dynoed at 243WHP and 253WTQ on a Mustang, stock.

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