Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2006 Subaru Forester Reliability ReportCommon Problems, Repair Costs & Expert Verdict

78/ 100

KeepScore

MODERATE RISK

Grade: C+

A highly capable AWD compact SUV, but requires careful scrutiny of its engine history and ongoing maintenance.

Full system breakdown + what I would do

Quick Facts · 2006 Subaru Forester

  • Has 2 NHTSA recalls on record — the most notable involves the suspension:front:control arm:lower arm.
  • Scores 5 points below the strongest nearby year — the 2008 Subaru Forester earns a 83.
  • The system most likely to surface first: engine (ej25 series head gaskets) (major severity).

Should You Buy the 2006 Subaru Forester?

The 2006 Subaru Forester offers a compelling blend of AWD capability and practical utility, making it a solid choice if critical known issues are addressed or verified. While the naturally aspirated engine is prone to head gasket failure and the turbo models have their own complexities, diligent pre-purchase inspection and proactive maintenance can secure a dependable long-term companion for adventurous owners.

The 2006 Subaru Forester is a charming, capable vehicle, but it carries significant known reliability baggage that demands a very careful purchase. If you find one with documented head gasket service or are prepared to address it, it can be a great value. Otherwise, factor in the potential for a major repair.

Best Model Years

2008 (final year of this generation, with some improvements), 2003-2005 (earlier SG models potentially had HG addressed if they've made it this far)

Years to Avoid

Avoid 2006-2007 naturally aspirated models without clear evidence of head gasket replacement.

Biggest Strengths

  • Symmetrical All-Wheel Drive system
  • Excellent visibility and cargo space
  • Strong safety ratings for its era

Top Risk Areas

The systems that tend to fail first on the 2006 Subaru Forester, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.

1
Engine (EJ25 Series Head Gaskets)major~80,000-140,000 mi

The naturally aspirated EJ25 engine is notorious for external head gasket leaks, typically oil or coolant, often leading to overheating if neglected. This is a design flaw that was partially addressed in later generations, but is very pr…

2
Exhaust System & Emissionsmoderate~90,000-150,000 mi

Catalytic converters can fail due to oil consumption or age, leading to P0420 codes. O2 sensors, particularly the front air/fuel sensor, are also common failure points, often exacerbated by engine oil leaks or excessive consumption.

3
Wheel Bearingsmoderate~60,000-100,000 mi

Both front and rear wheel bearings are prone to premature failure, exhibiting a humming or growling noise that intensifies with speed. This is a common wear item across many Subaru models of this vintage.

Full repair-cost ranges, fix-before-you-buy notes, and inspection checklists are in the report.

2006 Subaru Forester Mileage Danger Zones

The mileage windows when the 2006 Subaru Forester most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.

30,000

Low Risk Zone

At this mileage, the vehicle should be in excellent condition, primarily requiring routine maintenance. Any issues here would point to manufacturing defects or severe abuse.

60,000

Maintenance Zone

This is a key mileage for major service items like timing belt replacement (on some engines), differential fluids, and inspection of common wear items like wheel bearings. Preventative care here is crucial.

90,000

Elevated Risk Zone

Head gasket leaks for NA engines often begin to manifest around this mileage. The catalytic converter and O2 sensors may also start failing. Thorough inspection of the engine and exhaust system is critical.

120,000+

High Risk Zone

Beyond 120k, all prior issues are more likely to occur or require attention. Turbo models may show signs of turbo wear. Expect increased maintenance and potential for larger repairs if prior preventative work wasn't done.

2006 Subaru Forester Ownership Cost Outlook

What it typically costs to keep the 2006 Subaru Forester on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.

Annual Maintenance

$400-600

Moderate Repairs

$500-1,500 occasionally

How Long Does the 2006 Subaru Forester Last?

Focus on vehicles with comprehensive service records and evidence of head gasket replacement (if NA). Lower mileage isn't always better if the critical 80k-120k mile services haven't been completed.

What 2006 Subaru Forester Owners Actually Say

What Owners Love

  • Exceptional Symmetrical AWD system handles snow and light off-road conditions with ease.
  • Spacious interior and practical cargo area for its compact footprint.
  • Excellent visibility from the driver's seat enhances confidence.
  • Reliable manual transmission option appeals to enthusiasts and reduces some powertrain risks.

Common Frustrations

  • Head gasket failures are a persistent and expensive concern for many owners.
  • Aging 4-speed automatic transmission feels sluggish compared to modern units.
  • Interior plastics can feel cheap and scratch easily, showing wear over time.
  • Fuel economy is only average for the class, especially with the automatic.

Who Should Buy the 2006 Subaru Forester?

Best For

  • Adventurous individuals needing capable AWD for outdoor activities.
  • Drivers in snowy climates requiring excellent winter traction.
  • Budget-conscious buyers who are mechanically inclined or have a trusted Subaru mechanic.

Not Ideal For

  • Buyers seeking absolute lowest cost of ownership without potential major repairs.
  • Anyone who neglects routine maintenance or avoids preventative repairs.

How the 2006 Subaru Forester Compares to Rivals

The 2006 Forester offers superior AWD capability and ground clearance compared to most competitors, but its NA engine reliability is generally a step below the bulletproof CR-V and RAV4 of the same year due to the head gasket issue.

More Reliable Than

  • Ford Escape (2006-2007)
  • Jeep Liberty (2006)
  • Chevrolet Equinox (2006)

Comparable To

  • Honda CR-V (2006)
  • Toyota RAV4 (2006)

NHTSA Recalls

2 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

SUBARU IS RECALLING CERTAIN MODEL YEAR 2002-2007 IMPREZA, MODEL YEAR 2003-2008 FORESTER, AND MODEL YEAR 2005-2006 SAAB 9-2X VEHICLES MANUFACTURED FROM SEPTEMBER 5, 2000 THROUGH NOVEMBER 26, 2007 ORIGINALLY SOLD, OR CURRENTLY REGISTERED IN, MASSACHUSETTS, MARYLAND, MICHIGAN, NEW HAMPSHIRE, NEW YORK, PENNSYLVANIA, VERMONT, WISCONSIN, CONNECTICUT, DELAWARE, IOWA, ILLINOIS, INDIANA, MAINE, MINNESOTA, MISSOURI, NEW JERSEY, OHIO, RHODE ISLAND, WEST VIRGINIA AND THE DISTRICT OF COLUMBIA. THE FRONT LOWER CONTROL ARMS MAY BREAK AT THE HANGER BRACKETS DUE TO CORROSION IF THE HANGER BRACKET IS EXPOSED TO SALTY AND HUMID ENVIRONMENTS SUCH AS ROADS CONTAINING SNOW MELTING AGENT.

AIR BAGS:FRONTAL

ON CERTAIN VEHICLES, THE WIRING HARNESS FOR THE AIR BAG OCCUPANT DETECTION SYSTEM IN THE FRONT PASSENGER SEAT MAY HAVE BEEN PINCHED DURING PRODUCTION. PINCHING OF THE WIRING HARNESS BETWEEN THE FLOOR CROSSMEMBER AND THE SEAT MOUNTING BRACKET COULD RESULT IN A SHORT CIRCUIT.

What breaks on the 2006 Subaru Forester?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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Subaru Forester by Year

Compare KeepScores across nearby years of the Subaru Forester. Click any year for its full report.

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Frequently Asked Questions

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2006 Subaru Forester

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

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