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.

Owners are alleging that oil starvation and pressure issues in boxer engines have led to failures. Subaru and Toyota, the automakers behind the beloved BRZ and GR86 sports cars, are facing a ...

Subaru, already an outsider with its flat-four engines and all-wheel-drive systems in passenger cars, looked to the far corners of the engineering world in the early 1990s to devise a novel solution ...

H4 engines are horizontally opposed four-cylinder engines also commonly known by names like flat-four and boxer. For comparison, most four-cylinder automobile engines are upright inline designs. The ...

For over three decades, the EJ20 was the workhorse of Subaru, as the 2.0-liter flat four boxer engine would power models throughout the brand's lineup. However, it's the engine's generations of ...

A woman in the US has filed a lawsuit against Toyota and Subaru, claiming that the flat-four engines found in the related Scion FR-S, Toyota 86/GR 86, and Subaru BRZ models are prone to catastrophic ...