2009 GMC Acadia Reliability ReportKeepScore 62/100 · top failure points · buy or avoid
Quick Facts · 2009 GMC Acadia
- Scores 10 points below the strongest nearby year — the 2008 GMC Acadia earns a 72.
- The system most likely to surface first: engine (3.6l v6) (critical severity).
- Has 7 NHTSA recalls on record — the most notable involves the seat belts.
2009 GMC Acadia: Buy or Avoid?
The 2009 GMC Acadia is a spacious and comfortable family crossover, but it's critically hampered by a high risk of catastrophic and expensive engine and transmission failures. Proceed with extreme caution and a substantial repair budget, as neglecting these known weak spots can quickly lead to a financially devastating ownership experience.
The 2009 GMC Acadia is a spacious and practical family vehicle, but its well-documented and widespread engine timing chain and transmission wave plate failures make it a high-risk purchase. Only consider this model if you find one with verifiable evidence of these major repairs already completed, or if you have a si…
Best Model Years
For the first generation, later models (2012-2016) generally saw some improvements, but no early model years are truly 'best.'
Years to Avoid
2007, 2008, 2009, 2010 (most prone to the timing chain and wave plate issues)
Biggest Strengths
- Generous interior space and comfortable ride
- Available all-wheel drive for inclement weather
- Capable V6 engine (when operating correctly)
2009 GMC Acadia — Known Trouble Spots
The systems that tend to fail first on the 2009 GMC Acadia, 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 3.6L LLT V6 engine is notorious for timing chain stretch, particularly when oil change intervals are neglected or improper oil is used. This leads to costly repairs, often requiring engine removal. High oil consumption is also common.
The 6T70/75 6-speed automatic transmission frequently suffers from premature failure of the 3-5-R wave plate, resulting in loss of reverse gear, erratic shifting, or complete transmission failure.
Both the power steering pump and the steering rack are prone to premature failure, leading to fluid leaks, a whining noise, difficult steering, or complete loss of power assist.
2009 GMC Acadia Mileage Danger Zones
The mileage windows when the 2009 GMC Acadia most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Early Warning Zone
While generally low risk for major failures, some owners may begin to notice early power steering pump noises or minor electrical quirks.
Elevated Risk Threshold
This mileage marks the beginning of the higher-risk period where engine timing chain issues and transmission wave plate failures can start manifesting, along with common suspension wear.
High Alert Zone
Most major component failures, including catastrophic engine and transmission problems, are highly likely to occur in this range if they haven't already. Regular maintenance is no longer enough; proactive inspection for specific failure…
Critical Risk Zone
Survival beyond this mileage without major engine or transmission work is uncommon. Expect continuous, expensive repairs. Only consider if comprehensive rebuilds have been done with verifiable receipts.
2009 GMC Acadia Ownership Cost Outlook
What it typically costs to keep the 2009 GMC Acadia on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$600-900 (higher due to more frequent fluid changes and proactive checks)
Moderate Repairs
$800-2,000 annually (likely for recurring issues like power steering, water pump, or electrical gremlins)
How Long Does the 2009 GMC Acadia Last?
Given the widespread major issues, an Acadia with a fully documented engine and transmission replacement/rebuild, regardless of mileage, is often a safer bet than one with low mileage and no history of these fixes. Assume significant repairs will be needed by 90,000 miles.
What 2009 GMC Acadia Owners Actually Say
What Owners Love
- Spacious third-row seating and cargo capacity
- Comfortable ride quality on longer trips
- Good outward visibility for a large SUV
- Available all-wheel drive for adverse weather conditions
Common Frustrations
- Extremely expensive and frequent major drivetrain repairs
- Poor fuel economy for its class
- Steering system failures are common and costly
- Interior materials show wear and tear quickly (dash cracks, button fade)
Who Should Buy the 2009 GMC Acadia?
Best For
- Families needing maximum seating and cargo on a tight initial budget (but with repair funds)
- Mechanically inclined individuals comfortable with DIY repairs on a complex vehicle
- Those who plan to keep the vehicle for only a short period (1-2 years)
Not Ideal For
- First-time car buyers or those on a strict, no-extra-cost budget
- Individuals seeking long-term, trouble-free ownership
How the 2009 GMC Acadia Compares to Rivals
While offering competitive space and features, the 2009 Acadia consistently ranks below most Japanese and some domestic rivals in long-term reliability due to its critical drivetrain vulnerabilities.
More Reliable Than
- Early Dodge Journey (more widespread minor issues)
- Some European luxury crossovers of the era (higher repair costs for common failures)
Comparable To
- 2007-2010 Chevrolet Traverse (same platform and drivetrain)
- 2007-2010 Saturn Outlook (same platform and drivetrain)
Safety Recalls on the 2009 GMC Acadia
7 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
SEAT BELTS
General Motors is recalling certain model year 2009-2014 Buick Enclave vehicles manufactured April 14, 2008, through May 14, 2014, Chevrolet Traverse vehicles manufactured June 6, 2008, through May 14, 2014, and GMC Acadia vehicles manufactured April 9, 2008, through May 14, 2014, and 2009-2010 Saturn Outlook vehicles manufactured April 14, 2008, through March 18, 2010. In the affected vehicles, the flexible steel cable that connects the seatbelt to the front outboard seating positions may fatigue and separate over time.
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 GMC Acadia?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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GMC Acadia — Year-by-Year Comparison
Compare KeepScores across nearby years of the GMC Acadia. Click any year for its full report.
Competing 2009s Worth a Look
Similar class, similar year range — ranked by KeepScore.
Relevant Products for Your 2009 GMC Acadia
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Frequently Asked Questions
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