Is the 2011 Buick LaCrosse reliable?

Overall, it can be a reliable midsize sedan when it has a strong maintenance history, especially regular oil changes and timely repairs. Higher-mileage examples should be evaluated carefully for transmission behavior, engine codes, and suspension wear.

What are the most common 2011 Buick LaCrosse problems?

Frequently mentioned issues include harsh or irregular transmission shifting, potential timing chain wear on some V6 engines (often tied to neglected oil changes), intermittent electrical/infotainment glitches, and worn suspension components on higher-mileage cars.

Are maintenance costs high for a 2011 Buick LaCrosse?

Costs are typically moderate for the class—generally more than a basic economy sedan but often less than many luxury-branded alternatives. The biggest expense risks tend to come from deferred maintenance, transmission concerns, or timing-related engine repairs.

What are the best years of Buick LaCrosse to buy?

Many shoppers prefer later second-generation models due to incremental updates, but the best “year” is often the one with the most complete service records and the cleanest inspection results. A well-maintained 2011 can be a better buy than a newer car with unknown history.

What should I check before buying a used 2011 Buick LaCrosse?

Confirm oil change history, scan for stored engine/transmission codes, and road test for harsh shifts or shudder. Also inspect for suspension noises, uneven tire wear, and verify all electronics (radio, climate control, windows, locks) work consistently. For a deeper dive, get a complete owner’s guide with full specs, trim details, and the recommended maintenance schedules to keep a 2011 Buick LaCrosse running at its best.

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Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2011 Buick LaCrosse Reliability ReportKeepScore 82/100 · top failure points · buy or avoid

82/ 100

KeepScore

MODERATE RISK

Grade: B-

A comfortable cruiser that demands attention to its drivetrain's specific weak points for long-term satisfaction.

Full system breakdown + what I would do

Quick Facts · 2011 Buick LaCrosse

Scores 3 points below the strongest nearby year — the 2013 Buick LaCrosse earns a 85.
The system most likely to surface first: engine timing components (3.6l v6) (major severity).
Has 4 NHTSA recalls on record — the most notable involves the suspension:rear.

2011 Buick LaCrosse: Buy or Avoid?

The 2011 Buick LaCrosse offers a comfortable ride and upscale interior for a mid-size sedan, but it's crucial to acknowledge its known mechanical vulnerabilities. While generally a solid daily driver, potential buyers must be prepared for specific engine and transmission issues that can lead to significant repair costs if ignored. Exercise diligence and a thorough pre-purchase inspection to secure a well-maintained example.

Biggest Strengths

Smooth ride quality and quiet cabin
Upscale interior design and materials
Strong V6 engine performance (when maintained)

2011 Buick LaCrosse — Known Trouble Spots

The systems that break first on the 2011 Buick LaCrosse. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

Engine Timing Components (3.6L V6)major

Transmission (6T70/75 6-speed Automatic)major

2.4L Ecotec Engine Oil Consumptionmoderate

Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

Safety Recalls on the 2011 Buick LaCrosse

4 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

SUSPENSION:REAR

General Motors, LLC (GM) is recalling certain 2012-2013 Buick Regal, 2013 Chevrolet Malibu, and 2010-2013 Buick Lacrosse vehicles sold or ever registered in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, or Wisconsin. These vehicles may have rear toe links that received excessive electrocoating (e-coat) corrosion protection, which could cause the e-coat to become brittle and break away when contacted by road debris. Over time, the e-coat may chip away, exposing the metal toe link and making it more susceptible to corrosion. Corrosion may eventually cause the toe link to thin and ultimately to fracture.

SUSPENSION:REAR

General Motors, LLC (GM) is recalling certain 2010-2013 Buick Lacrosse, 2012-2013 Buick Regal, and 2013 Chevrolet Malibu vehicles sold or ever registered in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, or Wisconsin. These vehicles may have rear toe links that received an improper amount of electrocoating (e-coat) corrosion protection, which could cause the e-coat to become brittle and break away when contacted by road debris. Over time, the e-coat may chip away, exposing the metal toe link and making it more susceptible to corrosion. Corrosion may eventually cause the toe link to thin and ultimately fracture.

What breaks on the 2011 Buick LaCrosse?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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Buick LaCrosse — Year-by-Year Comparison

Compare KeepScores across nearby years of the Buick LaCrosse. Click any year for its full report.

All Buick LaCrosse years ranked →Buick LaCrosse years to avoid →Buick LaCrosse common problems →

Competing 2011s Worth a Look

Similar class, similar year range — ranked by KeepScore.

2009 ToyotaLand Cruiser

92/100

2010 ToyotaSienna

88/100

2011 ChevroletCorvette

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Frequently Asked Questions

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