2007 Buick LaCrosse Reliability ReportB grade · low risk · system-by-system breakdown
Quick Facts · 2007 Buick LaCrosse
- The system most likely to surface first: upper & lower intake manifold gaskets (major severity).
- Has 4 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.
Is the 2007 Buick LaCrosse Worth Buying?
The 2007 Buick LaCrosse, especially with the venerable 3.8L V6, stands as a surprisingly robust and comfortable used car value. While it's not without some common GM electrical quirks and maintenance needs, diligent upkeep will reward owners with a dependable and smooth ride, making it a solid choice for those seeking comfort over cutting-edge tech.
For those seeking an affordable, comfortable, and generally robust used sedan, the 2007 Buick LaCrosse with the 3.8L V6 is an excellent choice. Its few critical weaknesses are well-documented and manageable, making it a smart buy for budget-conscious owners who prioritize a smooth ride and reliable, proven mechanics.
Best Model Years
2006-2009 (post-minor refresh, pre-major redesign, and still offering the 3.8L)
Years to Avoid
None explicitly to avoid, but models with the 3.6L V6 are less common and potentially more complex for long-term ownership.
Biggest Strengths
- Durable 3.8L V6 engine (Series III)
- Proven 4-speed automatic transmission
- Comfortable, quiet ride
What Tends to Fail First on the 2007 Buick LaCrosse
The systems that tend to fail first on the 2007 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.
Plastic intake manifolds on the 3.8L V6 are prone to gasket failure (often coolant leaks external or internal) leading to coolant loss, overheating, and potential engine damage. This is a design flaw common to this generation of GM engines.
Issues range from intermittent power window operation, HVAC blend door actuators failing, instrument cluster pixel loss, to more serious BCM-related problems causing various warning lights or accessory failures. General Motors vehicles o…
The power steering pump and hoses are common leak points, leading to fluid loss and potential pump failure if neglected. This results in stiff steering and can cause premature wear on other steering components.
2007 Buick LaCrosse Mileage Danger Zones
The mileage windows when the 2007 Buick LaCrosse most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this mileage, the LaCrosse should still feel relatively new. Focus on routine maintenance as per the owner's manual. Early brake pulsation might appear.
Maintenance Zone
This mileage often brings the need for key preventative maintenance, including spark plugs and transmission fluid. Keep an eye out for early signs of intake manifold gasket issues and electrical glitches.
Elevated Risk Zone
This is where the LaCrosse might start showing its age more significantly. Power steering leaks, additional electrical issues, and potential transmission solenoid concerns become more common. Ensure all fluids are regularly serviced.
High Risk Zone
Vehicles at this mileage require a thorough inspection. While the core engine and transmission are durable, age-related wear on all components, rust, and potential for major repairs like transmission rebuilds or significant electrical wo…
2007 Buick LaCrosse Ownership Cost Outlook
What it typically costs to keep the 2007 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 2007 Buick LaCrosse Last?
Focus on models with 3.8L V6 engines and a clear maintenance history. Ideally, find one where the intake manifold gaskets have already been replaced, or factor that into your immediate post-purchase budget.
What 2007 Buick LaCrosse Owners Actually Say
What Owners Love
- Extremely comfortable and quiet ride quality, soaking up bumps effortlessly.
- Spacious interior and large trunk, ideal for road trips or hauling groceries.
- Bulletproof 3.8L V6 engine (once intake gaskets are addressed) offers great longevity.
- Affordable parts and straightforward maintenance make it inexpensive to keep running.
Common Frustrations
- Frequent electrical glitches (windows, HVAC, gauges) can be frustrating.
- Soft suspension leads to noticeable body roll in corners.
- Dated interior design and materials, especially compared to contemporary imports.
- Fuel economy is average for its class, not stellar.
Who Should Buy the 2007 Buick LaCrosse?
Best For
- Retirees or older individuals seeking a comfortable, quiet ride.
- Commuters prioritizing comfort and reliability over performance or technology.
- Budget-conscious buyers looking for significant value in the used car market.
Not Ideal For
- Enthusiasts seeking sporty handling or high performance.
- Technology-focused buyers expecting modern infotainment.
How the 2007 Buick LaCrosse Compares to Rivals
The LaCrosse offers a comparable, often superior, ride comfort to its domestic rivals, with the 3.8L V6 being a significant reliability advantage over many competitors' base engines. However, it trails Japanese competitors in terms of overall fit, finish, and freedom from mino…
More Reliable Than
- Chrysler 300 (earlier years for reliability)
- Ford Five Hundred (for engine durability)
Comparable To
- Pontiac Grand Prix
- Chevrolet Impala
- Mercury Grand Marquis
2007 Buick LaCrosse Recall History
4 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 2007 Buick LaCrosse?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Other Buick LaCrosse Years to Consider
Compare KeepScores across nearby years of the Buick LaCrosse. Click any year for its full report.
2007 Buick LaCrosse Alternatives
Similar class, similar year range — ranked by KeepScore.
Relevant Products for Your 2007 Buick LaCrosse
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Frequently Asked Questions
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