Subaru's WRX STI platform retires itself from creating its gas-powered Boxer configuration engine for the current lineup of the Japanese car company. The STI is famous for being the performance ...

Although they powered various Subaru or Mitsubishi models, these Japanese four-cylinder rivals became legendary in the engine bays of the rally-bred WRX STI and Lancer Evolution cars. When it comes to ...

One of the weakest links in Subarus are their flat-four boxer engines. They’re hard to work on, not that reliable, and don’t have the performance potential to justify their low center of gravity to ...