EE20 Subaru Diesel EngineSubaru's EE20 engine was a 2.0litre horizontallyopposed (or 'boxer') fourcylinder turbodiesel engine. For Australia, the EE20 diesel engine was first offered in the Subaru BR Outback in 2009 and subsequently powered the Subaru SH Forester, SJ Forester and BS Outback.The EE20 diesel engine underwent substantial changes in 2014 to comply with Euro 6 emissions standards these changesEJ257 Subaru EngineSubaru's EJ257 was a turbocharged, 2.5litre horizontallyopposed (or 'boxer') fourcylinder engine. For Australia, the EJ257 engine was introduced in the Subaru GD Impreza WRX STi in 2005 and subsequently powered the GE/GH Impreza WRX STi and V1 WRX.Effectively replacing the 2.0litre EJ207 engine, the EJ257 engine was a me