For SUV shoppers this year, there are just four places to find a flat-four engine, and they're all Subarus: the Crosstrek, the Outback, the Forester and the Ascent. Though the very first flat-four ...

The flat-eight engine, also known as an eight-cylinder boxer or horizontally opposed engine, is a rare configuration that was never used on a production car, although it was relatively successful in ...

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, ...

Toyota, Mazda, and Subaru on Tuesday announced plans for joint engine development aimed at reducing emissions. The goal of the project is to achieve carbon neutrality with internal-combustion engines, ...

The new Mercedes-Benz S-Class features an engine that's meant for sports cars, so why does it power a luxury sedan?