Boxer engines may not be that popular in cars, but they're a common sight in smaller aircraft. But why do these small planes ...

The flat-four boxer engine design is well over 100 years old, but it's still going strong, with applications in a number of major modern models.

Continental Motors was the world’s largest manufacturer of automotive engines during the 1920’s. Its earliest venture in aircraft engines during the mid-1920s was the radial type, but Continental only ...

Horizontally opposed engines like those used in Subarus and in Porsche's sports cars don't sit in a straight line or V-shape like most engines on the market, the pistons move horizontally, or flat.

Engine Type: 2.0-liter direct fuel injection naturally-aspirated 4-cylinder Horizontally-Opposed Boxer engine Tires: 215/45R18 (Front), 225/45R18 (Rear) ...

Engine Type: 2.0-liter direct fuel injection naturally-aspirated 4-cylinder Horizontally-Opposed Boxer engine Tires: 215/45R18 (Front), 225/45R18 (Rear) ...

In comparison to inline engines, boxer engines have two opposing banks of flat, horizontally opposed cylinders, and are often referred to as "flat-four" engines.

The Lycoming O-320 engine, a four-cylinder, horizontally opposed, air-cooled engine, is so reliable that they are still in use today despite being 70 years old.

Like all Subarus, Imprezas feature the company’s respected symmetrical all-wheel drive, and they’re all equipped with a 4-cylinder horizontally opposed (boxer) engines.