The Subaru EJ engine is a series of four-stroke automotive engines manufactured by Subaru. They were introduced in 1989, intended to succeed the previous Subaru EA engine.

The 2.5-liter engine from EJ series appeared in 1995. EJ25 is the biggest engine among other EJ engines - EJ15, EJ16, EJ18, EJ20, and EJ22. The engine became widespread in all major models of the brand. This engine uses the similar EJ20 cylinder block which differs by the bigger bore (99.5 mm) and stroke (79 mm instead 75 mm).

2021年8月14日 · The Subaru EJ25 is a 2.5 Liter engine manufactured by Subaru in Gunma Oizumi Plant and one of the members of the EJ series. It is the most widely used and largest engine among other EJ family members – EJ15, EJ16, EJ18, EJ20, and EJ22, having a displacement of 2.5 Liters.

2022年8月30日 · Subaru’s EJ25 was part of the company’s transition from the old and aging EA series engines. Available in naturally aspirated and turbocharged form, the EJ25 can be seen in a variety of cars ranging from the Legacy and Forester …

The Subaru EJ25 series of engines has proven the test of time, and has been in use since 1994 on Japanese models, all the way up to the final WRX STI models. This iconic engine has powered everything from naturally aspirated commuter cars, to sporty turbocharged models alike.

2023年11月16日 · The Subaru EJ25 engine specs feature a 2.5-liter boxer configuration, contributing to vehicle stability and performance. Known for its application in performance-oriented models, the EJ25 enjoys a stalwart reputation for reliability with proper care.

2016年12月31日 · Subaru EJ25 engine specs, its main problems and reliability. What engine oil to use on EJ25 and its capacity, how to increase engine performance (Tuning guide)

2022年8月28日 · Today, you will learn more about the Subaru 2.5i boxer engine (EJ25) that is considered to be durable and powerful but still problematic and with a lot of surprises. We are going to tell you about its main features, durability, and common problems, and also about our points of view on whether you should buy a vehicle powered by this engine or not.

2025年2月15日 · Since 1996, Subaru's EJ25 engine has grown to become both an iconic and revered power plant, but most importantly, gained a solid reputation for its reliability and innovative specifications that have forever bonded to the faithful masses within the Subaru enthusiast community.

2024年10月11日 · Problems and shortcomings of Subaru EJ25 engines. Since the release of the first version of the EJ25, engineers continued to pay great attention to it, offering the market new modifications and thus bringing the structure and characteristics of the motor to perfection.