| Boxer | - •EA521966–1971977cc
- •EA611970–19721089cc
- •EA621971–19721268cc
- •EA631973–19761362cc
- •EA711976–19871595cc
- •EA811980–19841781cc
- •EA821984–19941791cc
- •EJ151990–20031.5L
- •EJ161993–20061.6L
- •EJ181993–19961.8L
- •EJ221989–20012.2L
- •EJ251995–20212.5L
- •FB162012–present1.6L
- •FB202011–present2.0L
- •FB252011–present2.5L
- •FA20D2013–20212.0L BRZ/86
- •FA24D2022–present2.4L BRZ/GR86
- •CB182020–present1.8L
| - •EA81T1983–19841.8L
- •EA82T1984–19941.8L
- •EJ20T1992–20212.0L WRX/STI
- •EJ2051994–20212.0L WRX
- •EJ2071997–20212.0L STI
- •EJ2552004–20212.5L WRX
- •EJ2572004–20212.5L STI
- •FB16F2014–20201.6L Levorg
- •FA20F2014–20212.0L WRX/Levorg
- •FA24F2019–present2.4L WRX/Outback
| — |