The Most Reliable Subaru Engine, Ranked
Voting rules: Choose the engine you think is the most reliable!
Updated on Apr 27, 2024 06:57
When selecting a vehicle, the engine's reliability often tops the list of considerations for many drivers. A well-made engine ensures not only smoother travels but also affects long-term ownership costs and vehicle longevity. With numerous models and variations, Subaru engines are no exception, gradually building a reputation for being robust and dependable.
This live ranking seeks your input to determine which Subaru engine stands out in terms of reliability. By sharing your experiences and casting your votes, you help create a valuable resource for prospective buyers. Your contributions ensure the accuracy and usefulness of the rankings for everyone interested in making an informed decision on Subaru engines.
What Is the Most Reliable Subaru Engine?
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157votes
Subaru EJ25
Subaru CorporationThis engine is one of the most popular and reliable engines produced by Subaru. It has been used in various Subaru models since 1995, and it is known for its durability and high performance.The Subaru EJ25 is a horizontally opposed, four-cylinder petrol engine that belongs to the EJ series manufactured by Subaru. It is known for its reliability, durability, and performance, making it a popular choice among Subaru enthusiasts.- Engine Layout: Horizontally opposed (Boxer) configuration
- Displacement: 2.5 liters
- Cylinder Configuration: Four cylinders
- Valvetrain: DOHC (Double Overhead Camshaft)
- Fuel Delivery: Multi-point fuel injection
Subaru EJ25 in other rankings- Position 3 of 10 in Most reliable four-cylinder engine
- Position 3 of 10 in Most reliable engine for a car
- Position 4 of 10 in Most reliable modern engine
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248votes
Subaru FB25
SubaruThis engine was introduced in 2010 as a replacement for the older EJ25 engine. It is a more fuel-efficient engine and is known for its reliability and low maintenance costs.The Subaru FB25 is a horizontally opposed four-cylinder, naturally aspirated engine that belongs to Subaru's FB engine family. It is primarily used in Subaru vehicles and is known for its reliability and efficiency.- Engine Type: Horizontally opposed (Boxer) four-cylinder
- Aspiration: Naturally aspirated
- Displacement: 2.5 liters
- Valvetrain: DOHC (Dual Overhead Camshaft)
- Fuel System: Sequential multi-port fuel injection
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323votes
Subaru EJ20
SubaruThis engine is used in many Subaru models, including the Impreza, Legacy, and Forester. It is known for its durability and high performance, and it is a popular choice for racing and tuning.The Subaru EJ20 is a horizontally-opposed four-cylinder, gasoline engine that was first introduced in 1989. It became one of Subaru's most popular and reliable engines, known for its robust design and performance capabilities.- Displacement: 2.0 liters
- Engine Type: Horizontal, flat-four
- Power Output: Around 280 horsepower
- Torque: 260 lb-ft
- Compression Ratio: 8.0:1
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427votes
Subaru EZ30
Subaru CorporationThis engine was introduced in 1999 and is used in various Subaru models, including the Legacy, Outback, and Tribeca. It is known for its smooth performance, reliability, and low maintenance costs.The Subaru EZ30 is a horizontally opposed six-cylinder gasoline engine built by Subaru. It is part of Subaru's EZ series of engines, introduced in 1999.- Engine Type: Horizontally opposed (Boxer)
- Displacement: 3.0 liters
- Number of Cylinders: 6
- Valvetrain: Double overhead camshaft (DOHC)
- Fuel System: Sequential fuel injection
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523votes
Subaru FA20
SubaruThis engine was introduced in 2012 and is used in the Subaru BRZ, Toyota 86, and Scion FR-S. It is known for its high performance and fuel efficiency, making it a popular choice for sports car enthusiasts.The Subaru FA20 is a horizontally opposed four-cylinder engine that was introduced by Subaru in 2012. It is a direct-injected engine with a displacement of 2.0 liters.- Configuration: Horizontally opposed
- Cylinders: Four
- Displacement: 2.0 liters
- Fuel Delivery: Direct injection
- Valvetrain: Double overhead camshaft (DOHC)
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614votes
Subaru EE20
Subaru CorporationThis engine was introduced in 2008 and is used in the Subaru Forester, Impreza, and XV Crosstrek. It is known for its fuel efficiency, reliability, and low emissions.The Subaru EE20 is a diesel engine developed by Subaru Corporation.- Engine Type: Inline-four, common rail direct injection (CRDi)
- Displacement: 2.0 liters
- Power Output: 110 kW (148 hp)
- Torque: 350 Nm (258 lb-ft)
- Compression Ratio: 16.0:1
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78votes
Subaru EG33
Subaru CorporationThis engine was introduced in 1990 and is used in the Subaru SVX. It is known for its smooth performance and reliability, making it a popular choice among Subaru enthusiasts.The Subaru EG33 is a horizontally opposed, six-cylinder engine that was introduced in 1989. It is part of Subaru's EG series of engines and was mainly used in the Subaru SVX sports coupe. The EG33 engine features a unique design with a displacement of 3.3 liters and a dual overhead camshaft (DOHC) configuration. It is known for its smooth power delivery, durability, and reliability.- Displacement: 3.3 liters
- Configuration: Horizontally opposed (Boxer)
- Cylinders: 6
- Valvetrain: DOHC
- Power Output: 230 horsepower
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87votes
Subaru ER27
SubaruThis engine was introduced in 1988 and is used in the Subaru SVX. It is known for its durability and smooth performance, and it is a popular choice for collectors and enthusiasts.The Subaru ER27 is a horizontally opposed six-cylinder engine designed and produced by Subaru. It was first introduced in 1988 and discontinued in 1997. The ER27 engine is known for its reliability, smooth operation, and impressive power output. It has been used in various Subaru models, including the Subaru XT and the Subaru SVX.- Engine type: Horizontally opposed (Boxer)
- Cylinder arrangement: Six-cylinder
- Displacement: 2.7 liters
- Fuel delivery: Multi-point fuel injection
- Compression ratio: 9.7:1
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97votes
Subaru EN07
Subaru CorporationThis engine was introduced in 1983 and is used in the Subaru Justy. It is known for its fuel efficiency and reliability, and it is a popular choice for city drivers.The Subaru EN07 is a small, lightweight, and reliable engine produced by Subaru Corporation. It is a horizontally opposed, four-cylinder engine with a displacement of 658cc. The EN07 engine is commonly used in Subaru's kei cars, which are popular in Japan due to their compact size and fuel efficiency.- Engine Type: Horizontally opposed, four-cylinder
- Displacement: 658cc
- Fuel Type: Gasoline
- Power Output: Around 40-50 horsepower
- Torque: Around 45-55 lb-ft
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104votes
Subaru EJ22
Fuji Heavy IndustriesThis engine was introduced in 1990 and is used in various Subaru models, including the Legacy and Impreza. It is known for its durability and low maintenance costs, making it a popular choice for budget-conscious drivers.The Subaru EJ22 is a horizontally opposed, naturally aspirated four-cylinder engine that was produced by Subaru from 1990 to 1999. It belongs to the EJ series of engines and is known for its reliability and durability.- Engine type: Horizontally opposed, four-cylinder
- Displacement: 2.2 liters
- Valvetrain: SOHC, 2 valves per cylinder
- Fuel delivery: Multi-port fuel injection
- Compression ratio: 9.5:1
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Ranking factors for reliable engine
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DesignSubaru engines that have a simpler design tend to be more reliable as they have fewer moving parts that could potentially fail.
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Manufacturing qualityQuality control during the manufacturing process is important in ensuring that engines are built to the required standard and do not have defects.
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MaintenanceEngines that are well-maintained tend to be more reliable than those that are not. Regular oil changes, timely repairs, and component replacements can help prolong the lifespan of an engine.
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Age and mileageThe age and mileage of an engine can affect its reliability. Older engines or engines with high mileage may be more prone to wear and tear and require more repairs and maintenance.
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Owner usageHow the engine is used and the driving habits of the owner can also impact its reliability. Engines that are pushed harder or subjected to harsh driving conditions may be more likely to experience problems.
About this ranking
This is a community-based ranking of the most reliable Subaru engine. We do our best to provide fair voting, but it is not intended to be exhaustive. So if you notice something or engine is missing, feel free to help improve the ranking!
Statistics
- 8685 views
- 205 votes
- 10 ranked items
Voting Rules
A participant may cast an up or down vote for each engine once every 24 hours. The rank of each engine is then calculated from the weighted sum of all up and down votes.
More information on most reliable subaru engine
Subaru is a Japanese automaker that has been producing cars since the 1950s. Over the years, the company has gained a reputation for producing reliable and high-performing vehicles, particularly when it comes to their engines. Subaru is known for its horizontally-opposed, or "boxer," engine design, which provides a smooth, balanced ride and excellent power delivery.
When it comes to the most reliable Subaru engine, there are several contenders. The EJ25 engine, which was used in Subaru vehicles from 1996 to 2019, is a popular choice among enthusiasts. This engine is known for its durability and longevity, with many high-mileage examples still running strong.
Another reliable Subaru engine is the FA20, which is used in the popular BRZ sports car. This engine is known for its high-revving nature and excellent power output, while still maintaining Subaru's trademark reliability.
Whether you're looking for a reliable daily driver or a high-performance sports car, Subaru has a range of engines that can meet your needs. With their reputation for quality and durability, it's no wonder that Subaru has become a favorite among car enthusiasts around the world.
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