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 flat-six engine has been around for generations, though its unique shape and construction mean it has limited-use cases in today's cars. That didn't stop Porsche from perfecting the flat-six ...

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 ...

When you think of boxer engines with their flat, horizontally opposed architecture, it's likely that vintage Volkswagens such as the original Beetle spring to mind. Or perhaps Porsche, which named an ...

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, ...

A salvage-auction Subaru STI hides a blown “built” engine. Teardown uncovers shattered pistons, toasted bearings, and dealer trickery disguised as performance. Pete’s auction-bought 2017 Subaru WRX ...

The Subaru brand is known for many things — from its rally-bred heritage to historic Subaru boxer engines. Over the past several decades of making engines, Subaru has earned a loyal following among ...