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Are 2009 subarus reliable?

Overall, 2009 Subarus offer solid all-wheel-drive capability and strong safety features, but reliability varies by model and maintenance history. With attentive upkeep, many 2009 Subarus remain dependable; certain engines and transmissions age more gracefully than others.


This article examines the major 2009 Subaru models (Impreza, Forester, Outback/Legacy, Tribeca, and WRX) to understand reliability patterns, known issues, and what buyers should inspect when shopping used. It draws on owner reports, recalls, and reliability data available up to 2024–2025 to provide a balanced view.


Reliability trends for the 2009 lineup


Reliability in the 2009 Subaru range tends to be model-specific. The core all-wheel-drive platform is durable, but age-related concerns can surface in certain engines and transmissions as the vehicles accumulate miles.


Below are the reliability concerns most often cited for 2009 Subarus, based on owner reports and service data.



  • Head gasket and cooling-system vulnerabilities in 2.5-liter EJ-series engines, especially as mileage climbs; signs include coolant leaks, overheating, or milky oil. Regular cooling-system maintenance and timely timing belt replacement help mitigate risk.

  • Oil consumption and leaks in some 2.5L engines as they age; monitor oil level and consumption history, and address burning oil promptly to avoid engine damage.

  • Automatic transmissions and CVTs on select trims can be costly to repair; ensure proper maintenance records and be aware of signs like harsh shifting or slipping.

  • Turbocharged models (WRX/STI) generally require stricter maintenance and can incur higher repair costs; keeping up with oil changes and cooling is important for longevity.

  • Tribeca reliability is more mixed, with some owners reporting higher maintenance costs and occasional electrical/drivetrain issues; lower popularity means fewer readily available repair options in some regions.


In practice, the model you choose and its maintenance history largely determine reliability in the 2009 Subaru lineup. A thorough pre-purchase inspection (PPI) is essential for used examples to identify cooling-system wear, gasket condition, and transmission health.


Model-by-model reliability snapshot (2009)


Note: The following sections summarize broad reliability patterns for each model in the 2009 lineup. Individual cars may vary based on maintenance, climate, and driving style.


Impreza (2009)


The 2009 Impreza is generally regarded as a solid, practical compact with the benefit of Subaru’s all-wheel drive. Engine options include the 2.5-liter and, in some markets, a 2.0-liter variant. Common reliability notes focus on the 2.5L engine's aging gasket and oil-seal concerns, along with potential transmission wear depending on maintenance history.


Reliability notes:



  • Pros: straightforward mechanicals, predictable maintenance, good crash-test performance, and dependable AWD.

  • Cons: older 2.5L engines can show head-gasket symptoms and oil consumption with high mileage; someboards report CVT-related concerns in specific trims.


Bottom line: with regular cooling-system service and a documented service history, the Impreza can be a reliable used buy in the 2009 range.


Forester (2009)


The 2009 Forester is known for roomy interior, strong visibility, and practical utility. Reliability patterns mirror the broader 2.5L engine concerns seen across many non-turbo Subarus of the era, with maintenance history being a major factor.


Reliability notes:



  • Pros: proven AWD capability, solid safety package, durable chassis.

  • Cons: potential head-gasket/engine-sealing issues on higher-mileage 2.5L units; occasional CVT or automatic transmission quirks depending on usage and maintenance.


Bottom line: Forester can be dependable, but verify cooling-system upkeep and engine health before purchase.


Legacy/Outback (2009)


The Legacy sedan and Outback wagon share many components and share the same 2.5L engine platform in base trims. These models emphasize comfort and practicality, with reliability tied closely to maintenance and drivetrain wear.


Reliability notes:



  • Pros: spacious cabins, solid AWD performance, generally good long-term durability when serviced properly.

  • Cons: 2.5L head-gasket concerns and oil consumption are recurring themes as the engine ages; some reports of automatic transmission wear with high mileage.


Bottom line: a well-documented service history and proactive maintenance are essential for long-term reliability in 2009 Legacy/Outback models.


Tribeca (2009)


The Tribeca was Subaru’s mid-sized crossover with a V6 and unique design. It has a smaller owner base, but reliability feedback tends to indicate higher maintenance costs relative to Subaru’s smaller models, with some electrical and drivetrain issues cited by owners.


Reliability notes:



  • Pros: roomy interior for its class, comfortable ride in many conditions.

  • Cons: reputation for higher repair costs and some electrical/drivetrain reliability concerns; parts availability can be harder to source in certain regions due to its smaller market share.


Bottom line: Tribeca can be a capable SUV, but potential buyers should budget for possibly higher repair costs and confirm service history carefully.


WRX/STI (2009)


The WRX and STI bring turbocharged performance to the 2009 Subaru lineup. Reliability hinges on meticulous maintenance, especially oil changes and cooling, due to higher-stress engines and turbocharged operation.


Reliability notes:



  • Pros: strong performance, enduring AWD, enthusiastic driving dynamics when well maintained.

  • Cons: turbocharged engines demand consistent maintenance; higher repair costs and potential issues with intake/ intercooler piping, oil leaks, and transmission wear if service has been skipped or delayed.


Bottom line: for performance-oriented models, a complete maintenance history and pre-purchase inspection are crucial to assess potential reliability risks.


Summary


In summary, 2009 Subarus can be reliable family cars and performers with proper upkeep. The most common reliability considerations across the lineup center on the 2.5L engines (head gasket and oil consumption) and the condition of automatic transmissions or CVTs in some trims. Turbo models require disciplined maintenance to avoid early wear, while the Tribeca generally carries higher maintenance costs than its peers. Prospective buyers should prioritize a thorough PPI, check for cooling-system service records, verify head-gasket maintenance history if applicable, review transmission service history, and confirm that all recall and service campaigns have been completed. When well maintained, many 2009 Subarus continue to deliver the all-wheel-drive capability and safety they’re known for, even as they age.


For anyone considering a used 2009 Subaru, the bottom line is simple: set clear expectations about maintenance costs, demand detailed service records, and choose a model with a comprehensive PPI. The right 2009 Subaru, with proven upkeep, can still be a dependable daily driver or family vehicle today.

What year to stay away from a Subaru Outback?


Years to avoid for the Subaru Outback include 2010–2014, which had widespread CVT, oil consumption, and oil leak issues, and 2018, which had recalls and reliability concerns. Additionally, some sources recommend avoiding the 2005–2007 models due to head gasket problems and the 2020 model, which had electrical and windshield issues. 
Years to avoid

  • 2010–2014: These models are frequently cited for significant transmission issues (CVT), oil consumption, and general reliability problems. The 2010 model specifically had issues with the torque converter locking up. 
  • 2018: This year saw recalls and owner complaints related to oil consumption, exhaust components, and electrical issues. 
  • 2005–2007: These models are known for head gasket failures, which can cause coolant and oil leaks. 
  • 2020: This model year is associated with a high number of electrical problems, including dead batteries and stalling, as well as issues with the windshield cracking from small chips. 

Other potential problem years
  • 2013: Frequently mentioned for oil consumption issues.
  • 2015: Some reports list it with electrical and engine problems.
  • 2017: Reliability issues were noted. 



What years did Subaru have engine problems?


Subaru had significant engine problems during 1996–2010 due to head gasket failures, particularly in the 2.5-liter engine. Other problematic years include 2008–2014 for certain WRX/STI models with bearing issues, and 2011–2015 for various models with excessive oil consumption due to problems with the FB engine's piston rings.
 
Head gasket failures (1996–2010)

  • Models affected: Primarily the 2.5-liter engine in models like the Outback, Legacy, and Forester.
  • Symptoms: White smoke, coolant leaking into oil, and fluctuating engine temperature.
  • Resolution: Subaru addressed this by using multi-layer stainless steel head gaskets and larger head bolts in later models, with fixes becoming more consistent around 2012. 

Bearing and other performance issues (2008–2014)
  • Models affected: The performance-oriented WRX and WRX STI. 
  • Symptoms: Bearing failure in the EJ series engines, which could lead to major engine rebuilds or replacements. 
  • Resolution: A class-action lawsuit alleged that insufficient oil supply to connecting rod bearings contributed to this problem. 

Excessive oil consumption (2011–2015)
  • Models affected: Early FB engine models in the Forester (2011–2015), Crosstrek (2013–2015), Impreza (2012–2015), and Legacy/Outback (2013–2014). 
  • Symptoms: Excessive oil consumption. 
  • Resolution: This was due to a change in piston ring design to improve fuel economy, which was less effective at scraping oil. Subaru has since updated the design, with models from 2011 onwards (Forester), 2012 onwards (Impreza), and 2013 onwards (Legacy/Outback/Crosstrek) seeing improvements. 



How long does a 2009 Subaru last?


Subaru vehicles are renowned for their exceptional longevity, often surpassing 200,000 miles or more with proper maintenance and care.



Is the 2009 Subaru reliable?


Reliability. The 2009 Subaru Outback has a 3 years / 36,000 miles basic warranty and 14 recalls. RepairPal gives it a reliability rating of 4 out of 5, ranks it #10 out of 32 among Midsize SUVs.


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.