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 ...

Earlier this year, Subaru showed up to the Tokyo Auto Show with two surprise STI concepts. One, the Performance-B, a very near-production concept based on the current Impreza hatchback; the other, the ...

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 ...

Subaru will soon reveal two new STI-branded concepts, one of which is fully electric. The blurb makes the Performance-E concept sound like a production preview study. It looks like a hatchback or ...

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, ...

Update: We’ve added a full gallery of live shots straight from the Tokyo motor show floor, where Subaru’s duo of STI concepts finally step out from the renderings and into the real world. One by one, ...