2009 Buick Lucerne Reliability ReportCommon Problems, Repair Costs & Expert Verdict
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Quick Facts · 2009 Buick Lucerne
- Has 2 NHTSA recalls on record — the most notable involves the electrical system:ignition.
- Scores roughly in line with adjacent Buick Lucerne years — consistency that often signals a stable platform generation.
- The system most likely to surface first: electrical system (moderate severity).
The 2009 Buick Lucerne at a glance
- Is the 2009 Buick Lucerne reliable?
- Autojunket rates the 2009 Buick Lucerne 78/100 (grade C+), categorized as moderate risk. A comfortable cruiser with a strong heart, but its electrical and suspension systems demand diligent pre-purchase scrutiny.
- Should I buy a used 2009 Buick Lucerne?
- Autojunket recommends reading the full reliability report before buying a 2009 Buick Lucerne. The 2009 Buick Lucerne, particularly with the 3.8L V6, is a dependable and comfortable used car, but its age means potential buyers must be vigilant. Expect to encounter common electrical and suspension wear. A thorough pre-purchase inspection is non-negotiable to avoid significant post-purchase expenses.
- Which Buick Lucerne years are the most reliable?
- Best model years to buy: 2007-2011 (prioritize 3.8L V6 models from any of these years). Years to avoid: None explicitly, but be more cautious with Northstar V8 models from any year..
- What are the most common problems with the 2009 Buick Lucerne?
- The top failure points on the 2009 Buick Lucerne are Electrical System (typically around 70,000-110,000 miles), Suspension Components (typically around 60,000-100,000 miles), Transmission Solenoids (typically around 90,000-130,000 miles). Autojunket's full report includes repair-cost ranges and inspection checklists for each.
- At what mileage do problems start on the 2009 Buick Lucerne?
- The first major mileage danger zone for the 2009 Buick Lucerne is around 30,000. Low Risk Zone — At this mileage, the Lucerne is still relatively fresh. Focus on ensuring routine maintenance like oil changes and tire rotations have been consistently performed. Major issues are rare.
Every answer is generated from real repair, recall, and ownership data — full breakdown in the report.
Read the full free reportShould You Buy the 2009 Buick Lucerne?
The 2009 Buick Lucerne is a comfortable and surprisingly durable full-size sedan, offering a solid value for buyers prioritizing ride quality over performance. While its venerable 3.8L V6 engine is a workhorse, be prepared for potential electrical gremlins and common suspension wear, which prevent it from being a 'buy with confidence' recommendation without a thorough inspection.
The 2009 Buick Lucerne, particularly with the 3.8L V6, is a dependable and comfortable used car, but its age means potential buyers must be vigilant. Expect to encounter common electrical and suspension wear. A thorough pre-purchase inspection is non-negotiable to avoid significant post-purchase expenses.
Best Model Years
2007-2011 (prioritize 3.8L V6 models from any of these years)
Years to Avoid
None explicitly, but be more cautious with Northstar V8 models from any year.
Biggest Strengths
- Robust 3.8L V6 engine (if equipped)
- Smooth, comfortable ride quality
- Spacious and quiet cabin
Top Risk Areas
The systems that tend to fail first on the 2009 Buick Lucerne, 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.
Failures can range from minor accessory issues (power windows, radio displays) to more significant Body Control Module (BCM) malfunctions causing erratic dash lights or starting problems. Sensors, particularly for ABS or engine managemen…
Front lower control arm bushings and strut mounts are common wear items, leading to clunking noises or poor handling. Models with Magnetic Ride Control (MR) often face costly shock absorber replacements when they fail.
While the 4T65-E transmission is generally stout, internal pressure control (PCS) or torque converter clutch (TCC) solenoids can fail, causing harsh shifts, slippage, or erratic behavior. Often, a fluid flush and filter change can prolon…
2009 Buick Lucerne Mileage Danger Zones
The mileage windows when the 2009 Buick Lucerne most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this mileage, the Lucerne is still relatively fresh. Focus on ensuring routine maintenance like oil changes and tire rotations have been consistently performed. Major issues are rare.
Maintenance Zone
This mileage often marks the need for significant maintenance items like spark plugs, transmission fluid service, and possibly serpentine belt replacement. Suspension component wear (bushings) might start to emerge.
Elevated Risk Zone
Beyond 90k, the Lucerne moves into an area where more significant components begin to wear. Transmission solenoid issues and electrical system problems become more likely, and major suspension overhaul may be due.
High Risk Zone
At this point, you're looking at a vehicle that will demand consistent repairs to keep it roadworthy. Expect multiple components across all systems to be nearing or past their service life, especially if maintenance was neglected. A pre-…
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2009 Buick Lucerne Ownership Cost Outlook
What it typically costs to keep the 2009 Buick Lucerne 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 Lucerne Last?
I'd look for models with comprehensive service records, ideally under 100,000 miles. Be prepared for increased maintenance and repair costs as the mileage climbs past 120,000.
What 2009 Buick Lucerne Owners Actually Say
What Owners Love
- Exceptionally smooth and quiet ride quality
- Spacious and comfortable interior, great for long trips
- Simple, proven 3.8L V6 engine is reliable and easy to maintain
- Affordable purchase price on the used market
Common Frustrations
- Dated interior design and technology compared to rivals
- Floaty handling that isn't engaging for spirited driving
- Lower fuel economy than modern sedans
- Frustrating electrical gremlins (e.g. window switches, radio display)
Who Should Buy the 2009 Buick Lucerne?
Best For
- Budget-conscious buyers seeking a comfortable, large sedan
- Drivers prioritizing a smooth, quiet ride over sporty handling
- Commuters with long highway drives
Not Ideal For
- Buyers seeking cutting-edge technology and modern amenities
- Performance enthusiasts or those who value sporty handling
How the 2009 Buick Lucerne Compares to Rivals
The Lucerne sits in an interesting spot, offering traditional American comfort and a robust V6 that can outlast many peers, but falls short of Japanese luxury sedans in overall electrical and suspension longevity.
More Reliable Than
- Chrysler 300 (earlier generations, due to powertrain reliability)
- Cadillac DTS (simpler, often more reliable powertrain options)
Comparable To
- Ford Crown Victoria (similar segment, robust but with its own age-related issues)
NHTSA Recalls
2 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
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.
ELECTRICAL SYSTEM
GM IS RECALLING CERTAIN MODEL YEAR 2006-2009 BUICK, LUCERNE; CADILLAC DTS; HUMMER H2; MODEL YEAR 2008-2009 BUICK ENCLAVE; CADILLAC CTS; MODEL YEAR 2007-2009 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, YUKON XL; SATURN OUTLOOK; AND MODEL YEAR 2009 CHEVROLET TRAVERSE VEHICLES EQUIPPED WITH A HEATED WASHER FLUID SYSTEM (HWFS). A RECALL WAS IMPLEMENTED IN 2008 TO ADD A FUSE TO THE CONTROL CIRCUIT HARNESS TO ADDRESS THE POTENTIAL CONSEQUENCES OF A PRINTED CIRCUIT BOARD (PCB) ELECTRICAL SHORT. HOWEVER, THERE HAVE BEEN NEW REPORTS OF THERMAL INCIDENTS ON HWFS MODULES AFTER THIS IMPROVEMENT WAS INSTALLED. THESE INCIDENTS RESULTED FROM A NEW FAILURE MODE ATTRIBUTED TO THE DEVICE'S THERMAL PROTECTION FEATURE. THE SIGNIFICANCE VARIES FROM MINOR DISTORTION TO CONSIDERABLE MELTING OF THE PLASTIC AROUND THE HWFS FLUID CHAMBER.
What breaks on the 2009 Buick Lucerne?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Buick Lucerne by Year
Compare AutoScores across nearby years of the Buick Lucerne. Click any year for its full report.
If You're Considering This, Also Look At
Similar class, similar year range — ranked by AutoScore.
Relevant Products for Your 2009 Buick Lucerne
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Where the 2009 Buick Lucerne report beats Carfax + CR
Carfax tells you if it crashed. Consumer Reports rates the whole nameplate. Autojunket tells you what will actually break on this specific year — and how to negotiate it.
Year-specific reliability score
Common problems + repair costs
Mileage danger zone map
AI negotiation script + walk-away price
Single report price
Frequently Asked Questions
Related Comparisons
Same Model, Other Years
Sell your 2009 Buick Lucerne for what it's actually worth.
Log every service on your Buick Lucerne. When it's time to sell, hand the buyer a signed PDF — every receipt, mileage-verified, close the deal at your price.
- OSC Transfer PDF — every receipt
- Snap-a-receipt AI log
- Fuel & mileage tracker
- Shareable buyer view link
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