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Is the Subaru 2.5 a good engine?

The Subaru 2.5-liter boxer engine is a reliable and capable powerplant that has been used in many of Subaru's popular models for years. While it may not be the most powerful engine on the market, it offers a good balance of performance, efficiency, and durability that makes it a solid choice for many drivers.


Overview of the Subaru 2.5 Engine


The Subaru 2.5-liter boxer engine is a horizontally-opposed four-cylinder engine that has been a staple in Subaru's lineup for decades. It is known for its smooth and balanced operation, as well as its relatively good fuel efficiency compared to larger displacement engines. The 2.5-liter engine has been used in a variety of Subaru models, including the Impreza, Outback, Ascent, and Forester.


Pros of the Subaru 2.5 Engine



  • Reliability: The Subaru 2.5-liter engine is known for its durability and reliability, with many examples lasting well over 200,000 miles with proper maintenance.

  • Efficiency: The engine's boxer configuration and relatively small displacement help it achieve good fuel economy, with many Subaru models equipped with the 2.5-liter engine getting 30 mpg or more on the highway.

  • Smooth Operation: The boxer engine design, with its horizontally-opposed cylinders, results in a smooth and balanced power delivery that many drivers find enjoyable.

  • Versatility: The 2.5-liter engine is used in a wide range of Subaru models, from compact sedans to larger SUVs, making it a versatile option for many different driving needs.


Overall, the Subaru 2.5-liter boxer engine is a solid and reliable choice that offers a good balance of performance, efficiency, and durability. While it may not be the most powerful engine on the market, it is a well-engineered and dependable powerplant that has served Subaru well for many years.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.