2009 Buick Enclave Reliability ReportCommon Problems, Repair Costs & Expert Verdict
Quick Facts · 2009 Buick Enclave
- Has 8 NHTSA recalls on record — the most notable involves the air bags:frontal.
- Scores 4 points below the strongest nearby year — the 2008 Buick Enclave earns a 72.
- The system most likely to surface first: transmission (6t75) (critical severity).
Should You Buy the 2009 Buick Enclave?
The 2009 Buick Enclave is a spacious and comfortable family hauler, but its long-term reliability is significantly hampered by several costly and common issues. While it offers a premium feel for the price, potential buyers must be prepared for major drivetrain repairs, making a thorough pre-purchase inspection absolutely critical to avoid financial headaches.
While the 2009 Buick Enclave offers compelling value as a comfortable and spacious family vehicle, its significant and well-documented powertrain and steering reliability concerns demand a cautious approach. It can be a good purchase if you find one with extensive service records and proof of major component replace…
Best Model Years
2012-2017 (later model years saw improvements to some early issues)
Years to Avoid
2008-2009 (highest prevalence of transmission issues)
Biggest Strengths
- Smooth ride and comfortable interior
- Abundant cargo and passenger space
- Premium features for its segment
Top Risk Areas
The systems that tend to fail first on the 2009 Buick Enclave, 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.
The 6-speed automatic transmission is prone to 3-5-R clutch wave plate failure, leading to loss of drive, erratic shifting, or complete transmission failure. This is a design flaw that manifests as hard shifts or a sudden inability to en…
The 3.6L V6 engine (LLT) is susceptible to timing chain stretch, often exacerbated by infrequent oil changes. This triggers check engine lights (P0017, P0008, P0009) and can eventually lead to severe engine damage if neglected.
Numerous reports of power steering pump failure, leaking hoses, and rack and pinion assembly leaks are common. This results in groaning noises, fluid leaks, and eventually heavy, difficult steering.
2009 Buick Enclave Mileage Danger Zones
The mileage windows when the 2009 Buick Enclave most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
This mileage primarily covers routine maintenance like oil changes and tire rotations. Any issues at this stage are usually minor manufacturing defects or early wear on basic components.
Maintenance Checkpoint
Around this mileage, the initial signs of wave plate failure in the transmission can begin to appear. Power steering leaks may also start to manifest. This is a critical period for fluid changes and detailed inspection.
Elevated Risk Zone
The risk of major transmission failure significantly increases here. Timing chain stretch issues also become more probable, requiring attention. Suspension components will likely need replacement.
High Risk Zone
At this point, the likelihood of major powertrain (engine and transmission) failures, especially if not addressed previously, becomes very high. Budget aggressively for significant repairs or consider a replacement if these issues haven'…
2009 Buick Enclave Ownership Cost Outlook
What it typically costs to keep the 2009 Buick Enclave on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$500-800
Moderate Repairs
$700-2,000 occasionally (e.g., power steering pump, suspension components)
How Long Does the 2009 Buick Enclave Last?
For the 2009 Enclave, lower mileage isn't always a guarantee of fewer problems; look for evidence that major known issues (transmission, timing chain, power steering) have already been proactively addressed or repaired, regardless of odometer reading.
What 2009 Buick Enclave Owners Actually Say
What Owners Love
- Very comfortable ride quality on long trips
- Spacious and versatile interior with good third-row access
- Upscale cabin design and quiet operation
- AWD capability for all-weather driving
Common Frustrations
- High repair costs, especially for transmission and engine issues
- Poor fuel economy for a crossover
- Recurring power steering problems leading to noise and leaks
- Dated infotainment system by today's standards
Who Should Buy the 2009 Buick Enclave?
Best For
- Families needing abundant space on a budget
- Buyers prioritizing ride comfort over outright reliability
- Someone who can afford potential major repairs
Not Ideal For
- Budget-conscious buyers who cannot absorb $3,000-$5,000+ repair costs
- Owners who expect Toyota/Honda-level long-term reliability
How the 2009 Buick Enclave Compares to Rivals
The 2009 Enclave, sharing its platform with the Traverse and Acadia, faces similar reliability challenges, particularly with its transmission. It falls short compared to segment leaders from Honda and Toyota in long-term dependability, but offers a more luxurious interior than…
More Reliable Than
- 2008 Dodge Durango
- Early model year Mercedes-Benz GL-Class
Comparable To
- 2009 Chevrolet Traverse
- 2009 GMC Acadia
NHTSA Recalls
8 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
AIR BAGS:FRONTAL
General Motors, LLC (GM) is recalling certain 2008-2017 Buick Enclave and 2013-2017 Chevrolet Traverse vehicles. The driver's air bag inflator may explode during deployment, due to a manufacturing defect.
STRUCTURE:BODY:HATCHBACK/LIFTGATE
General Motors LLC (GM) is recalling certain model year 2008-2012 Buick Enclave vehicles manufactured January 3, 2007, to February 29, 2012, 2009-2012 Chevrolet Traverse vehicles manufactured July 6, 2008, to March 9, 2012, 2007-2012 GMC Acadia vehicles manufactured September 15, 2006, to February 29, 2012, and 2007-2010 Saturn Outlook vehicles manufactured August 17, 2006, to March 18, 2010. The affected vehicles, equipped with the power liftgate option, have gas struts that hold the power liftgate up when open. These struts may prematurely wear and the open liftgate may suddenly fall.
What breaks on the 2009 Buick Enclave?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Buick Enclave by Year
Compare KeepScores across nearby years of the Buick Enclave. Click any year for its full report.
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Frequently Asked Questions
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