Page 8 of Subaru 2006 Impreza Brochure by Subaru Motors USA

SUBARU BOXER engine Other engine type Subaru Boxer Engine Press the accelerator to get outstanding power, along with a healthy dose of innovation. At the heart of the Impreza is our legendary SUBARU BOXER engine, with pistons laid fl at in horizontal opposition. Used in every Subaru, this design lowers the center of gravity, providing more precise handling while increasing durability and reducing vibration. Balance. Stability. Power. Its what makes a Subaru, a Subaru. The roots of Subaru heritage lie in the aviation industry. It is this experience that allows us to recognize and optimize the inherent advantages of the horizontally opposed boxer engine confi guration. With its compact profi le, superior performance, inherent smoothness and trusted reliability, it is a design that Subaru has continually refi ned for almost 40 years. It remains the only engine confi guration worthy of meeting our standards. And it provides an ideal platform for our never-ending quest to wring out greater levels of performance and excitement from every revolution. Better balance The lower the center of gravity, the greater the stability, the better to keep the car along your intended path, especially when changing direction quickly. The SUBARU BOXER engines lightweight, compact design lets the engine fi t lower in the chassis, providing a lower center of gravity that greatly improves handling and safety. Body roll is reduced during cornering, stability is improved and control maintained.

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