umm
EJ255, 2.5L n/a 165 HP, turbocharged in Legacy GTs, Forester XTs and Baja XTs.
EJ257 2.5L turbo (USDM STI motor) 300/300
EJ205 2.0L turbo (WRX motor) varies in power, US is 227HP
EJ207 2.0L turbo w/ AVCS (JDM STI, AVCS equipped standard WRXs) varies in power from 250HP to 350+HP between lowly AVCS WRXs and the varying trims of STIs.
EJ20G 2.0L turbo older STI motor. I dont know much but they're cheap.
EZ30R 3.0L is the new H6 from the newer Legacies/Tribeca/Outback 250HP
EZ33 I think was the old 3.3L from the SVX
Then there is the old EA82 and I'm sure other stuff