What is a flat four? What is a boxer engine? This video will explain the benefits of a flat engine, specifically a flat four engine with horizontally opposed pistons. The main advantages of a boxer ...

How boxer engines work, why they’re not just “flat” engines, and a 120-year evolution traced from the 1899 Benz to the latest Porsche and Subaru boxers. Boxer engines feature flat, opposing pistons ...

If an engine has four cylinders, chances are they’re arranged in-line—unless that engine was made by Subaru, of course. A boxer-four is second only to all-wheel drive as a Subaru calling card. But the ...