Boxer engines offer superior balance and lower center of gravity vs inline engines, but cost more to build and maintain.

The plastic cover of a Subaru Boxer engine showing the Subaru constellation logo - Topuria Design/Shutterstock Flat engines are horizontally-opposed piston engines, and this group includes Boxer ...

Most cars on the road today use an inline engine. You'll find them in everything from economy hatchbacks to performance models. In fact, the inline six engine has been making a comeback in recent ...

Since 1963, an air-cooled (later water-cooled) six-cylinder boxer engine has been used in a car so iconic that both its engine placement and configuration have largely remained unchanged. It's the ...

Flat engines are horizontally-opposed piston engines, and this group includes Boxer engines, but not opposed-piston engines like the Cummins 14.3L Advanced Combat Engine (ACE) designed to power tanks.