Explore how boxer engines really work, why they’re not just “flat” engines, and how Porsche and Subaru kept a 120-year-old design alive in some of today’s quickest cars.

The legendary STI badge is poised for a return, but don’t expect a boxer engine or turbo whoosh. Subaru says the future of performance is electric. Subaru fans still talk about the WRX STI like it’s a ...

Positive Crankcase Ventilation—three dirty words, but do they really need to be perceived that way? In general, the PCV system has two main functions: vapor relief and liquid separation. PCV systems ...

First introduced in 1989 with the Subaru Legacy and Subaru Liberty, the EJ series (and its EJ20 and EJ25 variants) became a fast favorite for the flat-four "boxer" layout. With a low center of gravity ...

Although Subaru didn't invent flat engines, and isn't the only automaker still using them, those motors have become a defining characteristic of the brand. (The same can be said for all-wheel drive, ...

And we don't have long to wait. A Subaru teaser dropped on Christmas lists a debut date of January 9, 2026. That lines up ...

Car companies used to have an obsession with the number 12, especially in Formula 1. The siren song of a duodecimal engine has ensnared many an automaker, resulting in shrieking double sixes with ...