2009 Buick LaCrosse Reliability ReportCommon Problems, Repair Costs & Expert Verdict
Quick Facts · 2009 Buick LaCrosse
- Has 2 NHTSA recalls on record — the most notable involves the exterior lighting:headlights.
- Scores 6 points below the strongest nearby year — the 2008 Buick LaCrosse earns a 88.
- The system most likely to surface first: hvac system (moderate severity).
Should You Buy the 2009 Buick LaCrosse?
The 2009 Buick LaCrosse is a truly robust and underrated sedan, offering a comfortable, reliable ownership experience if you focus on models equipped with the venerable 3.8L V6. While some common wear items exist, major catastrophic failures are rare, making this a smart choice for budget-conscious buyers seeking dependable transportation.
The 2009 Buick LaCrosse, especially with the 3.8L V6, is an outstanding value in the used car market. Its proven powertrain and comfortable demeanor make it a reliable choice for those seeking a dependable, spacious sedan without breaking the bank. Don't let its age deter you; this is a solid, long-lasting vehicle i…
Best Model Years
2005-2009 (models with 3.8L V6)
Years to Avoid
None specifically for LaCrosse, but exercise more caution with early 3.6L V6 (LY7, not LLT) in other GM models if poor maintenance history.
Biggest Strengths
- Durable 3.8L V6 engine (if equipped)
- Smooth and generally reliable 4T65-E transmission
- Comfortable ride and solid build quality for its age
Top Risk Areas
The systems that tend to fail first on the 2009 Buick LaCrosse, 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.
Blend door actuators commonly fail, leading to inconsistent heating/cooling or clicking noises from behind the dash. Replacements are routine but can be labor-intensive.
Front lower control arm bushings, sway bar end links, and occasionally strut mounts wear out, causing clunks, rattles, or poor handling. This is typical wear for vehicles of this age and size.
Power window regulators, particularly on the driver's side, are known to fail. The window may become slow, jerky, or completely stop functioning. Often involves the motor and cable mechanism.
2009 Buick LaCrosse Mileage Danger Zones
The mileage windows when the 2009 Buick LaCrosse most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this mileage, the vehicle is still relatively new. Focus on routine maintenance like oil changes and tire rotations. Brake pad/rotor wear might be the first item needing attention.
Maintenance Zone
This mileage often requires more significant preventative maintenance, including transmission fluid service, spark plugs (especially on the 3.6L), and addressing early signs of suspension wear.
Elevated Risk Zone
Expect to start replacing common wear items. Suspension components, electrical accessories like window regulators, and possibly the transmission's pressure control solenoid may need attention.
High Risk Zone
Beyond 120,000 miles, more extensive and costly repairs become a greater possibility. Keep a watchful eye on engine and transmission health, and be prepared for potential timing chain issues if it's a 3.6L.
2009 Buick LaCrosse Ownership Cost Outlook
What it typically costs to keep the 2009 Buick LaCrosse 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 2009 Buick LaCrosse Last?
Focus on well-maintained examples under 120,000 miles for the best value and fewest immediate repairs. If considering higher mileage, ensure the timing chain has been addressed if it's a 3.6L, or that the 3.8L has a spotless service history.
What 2009 Buick LaCrosse Owners Actually Say
What Owners Love
- Smooth, quiet, and comfortable ride quality for long trips.
- Spacious interior and large trunk, ideal for families or cargo.
- Reliable and durable powertrain (especially 3.8L V6) requiring minimal unexpected repairs.
- Good value for money in the used market, offering luxury features at a low cost.
Common Frustrations
- Interior materials, while durable, can feel dated compared to newer cars.
- Some owners find the handling to be soft or 'floaty' with too much body roll.
- Common electrical nuisances like window regulators or blend door actuators can be frustrating.
- Rust can be a significant cosmetic and structural concern in salt-belt regions.
Who Should Buy the 2009 Buick LaCrosse?
Best For
- Budget-conscious buyers seeking comfortable, reliable transportation.
- Older drivers who prioritize a smooth ride and quiet cabin.
- Commuters who primarily drive on highways.
Not Ideal For
- Enthusiast drivers seeking sporty handling and performance.
- Buyers prioritizing cutting-edge technology and infotainment.
How the 2009 Buick LaCrosse Compares to Rivals
The LaCrosse offers a more comfortable and quieter ride than many direct competitors, and its 3.8L engine platform is often more reliable than equivalent engines in other American or Japanese sedans of the era, though it lacks the absolute refinement of a luxury marque like Le…
More Reliable Than
- 2009 Nissan Altima (CVT issues)
- 2009 Chrysler 300 (various electrical/suspension issues)
- 2009 Ford Taurus (transmission, power steering issues)
Comparable To
- 2009 Toyota Camry (generally good, but less luxurious)
- 2009 Honda Accord (solid, but different driving feel)
NHTSA Recalls
2 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
EXTERIOR LIGHTING:HEADLIGHTS
General Motors LLC (GM) is recalling certain model year 2007 Pontiac Grand Prix, 2006-2009 Buick LaCrosse, 2006-2007 Buick Rainier, Chevrolet Trailblazer, GMC Envoy, 2006 Chevrolet Trailblazer EXT, GMC Envoy XL, 2006-2008 Isuzu Ascender, and Saab 9-7x vehicles. In the affected vehicles, the headlamp driver module (HDM) may overheat and fail, causing the headlamps and daytime running lights to not illuminate.
ELECTRICAL SYSTEM:IGNITION
This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) is recalling certain model year 2005-2009 Buick LaCrosse, 2006-2011 Buick Lucerne, 2000-2005 Cadillac DeVille, 2006-2011 Cadillac DTS, 2006-2014 Chevrolet Impala, and 2006-2007 Chevrolet Monte Carlo vehicles. In the affected vehicles, the weight on the key ring and road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine.
What breaks on the 2009 Buick LaCrosse?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Buick LaCrosse by Year
Compare KeepScores across nearby years of the Buick LaCrosse. Click any year for its full report.
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Frequently Asked Questions
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