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The Subaru Boxer engine powers every vehicle in Subaru's lineup. Its renowned for its superior balance, smoothness and power - and has been for close to 50 years now. This horizontally opposed design with low centre of gravity creates more balanced handling, flatter cornering and greater stability on every type of road. It’s also a compact, smooth and responsive design that feeds power directly to the drivetrain with maximum efficiency. Subaru offers a wide range of these engines - 4-cylinder and 6-cylinder, naturally aspirated and turbocharged - to suit a wide range of drivers and driving styles.

Subaru Boxer Engine

ADVANTAGES OF THE SUBARU BOXER

 

Sharper Handling:
The low centre of gravity improves stability in the corners, contributing to a more comfortable ride, more responsive handling and greater accident avoidance capabilities.

 

Smoother Acceleration:
This engine type is compact, lightweight and symmetrically positioned low in the chassis to create smoother and more direct power delivery.

 

Better Performance Efficiency:
The pistons move side-to-side, an inherently better-balanced design, so they create less vibration, generate better performance, and ensure reduced wear and tear on moving parts.

 

subaru-boxer-engine-wrx

 

 

HORIZONTAL DESIGN

The Subaru Boxer derives its name from the punch-counterpunch movement of the pistons, which face each other in a 180-degree symmetrical layout along a horizontal plane. This layout creates significantly less vibration than the typical engine design. The engine is also positioned in-line with the drivetrain for optimum transfer of power. Many other engines have transverse layouts or are turned perpendicular, so they require additional components to transfer power, increasing complexity and reducing efficiency.

BALANCED WEIGHT + LOW PROFILE

Pistons that move horizontally give the SUBARU BOXER engine a flat, low profile, which enables a lower centre of gravity than other engine designs and a lower centre of gravity for the vehicle overall. This engine is also lighter, better balanced, more compact and has a smaller overhang than a traditional in-line engine. These characteristics enable Subaru vehicles to be inherently more responsive, safer and more stable, with quicker handling, flatter cornering and a more planted feel overall.