Subaru ER Engine :
Water Cooled, Flat-Six, 12-Valve, SOHC,
- ER-27: 2672 cc,
Subaru XT ( 1987 – 1991 )- 145 hp @ 5,200 rpm.
Water Cooled, Flat-Six, 24-Valve, DOHC, Quad Cam
- EG-33: 3318 cc,
Subaru Alcyone SVX ( 1992 – 1997 )- 230 hp @ 5,400 rpm.
Subaru EZ Engines :
Water Cooled, Flat-Six, 24-Valve, DOHC, Quad Cam
- EZ-30D: 2999 cc,
Outback H6, Legacy GT30 & Legacy Lancaster 6. ( 2000 – 2002 )- 220 hp ( 161 kW ) @ 6,000 rpm, 289 N·m @ 4,400 rpm.
- EZ-30D: 2999 cc,
Legacy 3.0R, Outback 3.0R & Tribeca ( 2003 – 2009 ) 2006–2008- 245 hp ( 180 kW ) @ 6,600 rpm, 297 N·m @ 4,200 rpm.
- EZ-36D: 3629 cc,
Legacy, Outback & Tribeca ( 2010 - current )- 260 hp ( 191 kW ) @ 6,000 rpm, 335 N·m @ 4,400 rpm.