Out of all the internal combustion engines that have existed, the boxer engine has to be one of the most distinctive. Nothing else is quite like it, and it's somehow managed to survive to the present ...

Boxer engines feature flat, opposing pistons that move in opposite directions for smooth operation. Subaru and Porsche are primary modern users, benefiting from low center of gravity and performance.

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 ...

The vehicles we drive are powered by many engine types (and electric motors, of course) — but perhaps two of the most emotive forms of internal combustion engine are the V and flat configurations.