What are the most common problems with the 2012 Buick LaCrosse?

The **electrical system** is the most frequent complaint area, often leading to battery drain and system failures.

How many recalls does the 2012 Buick LaCrosse have?

The 2012 Buick LaCrosse currently has 5 recalls on file. Review the full recall report to see affected components and available remedies.

Is the 2012 Buick LaCrosse a good buy used?

Verdict: Proceed with caution. The **electrical system** is the most frequent complaint area, often leading to battery drain and system failures. **Engine issues**, including stalling and serpentine belt problems, are a significant concern, impacting drivability and safety. While safety ratings are excellent (5/5 overall), **suspension** and **steering** components have also seen numerous complaints and recalls. The 3.6L V6 engine delivers adequate power but is linked to reliability concerns in this model year. Expect **average** fuel economy for its class, with a combined rating of 21 MPG. Always verify service history, open recalls, and maintenance records before purchasing.

What maintenance costs should I expect for the 2012 Buick LaCrosse?

Refer to the maintenance cost guide for interval schedules, DIY difficulty ratings, and typical repair cost ranges for the 2012 Buick LaCrosse.

2012 Buick LaCrosse Report

Known issues, recalls, running costs, and what to check before you buy.

Updated May 30, 2026Ryan Davis

Overall Score

Our Verdict

Proceed with caution

Key Takeaways

The electrical system is the most frequent complaint area, often leading to battery drain and system failures.
Engine issues, including stalling and serpentine belt problems, are a significant concern, impacting drivability and safety.
While safety ratings are excellent (5/5 overall), suspension and steering components have also seen numerous complaints and recalls.
The 3.6L V6 engine delivers adequate power but is linked to reliability concerns in this model year.

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Overview

2012 Buick LaCrosse

The 2012 Buick LaCrosse offers a comfortable ride and a premium feel for its class, but used car shoppers should be aware of its documented reliability concerns. With a below-average reliability verdict, the LaCrosse is prone to electrical system failures, engine issues leading to stalling, and problems with the suspension and steering. While it achieved top safety ratings, the high number of complaints and recalls, particularly concerning the electrical system and powertrain, warrants careful consideration and a comprehensive pre-purchase inspection.

Critical Failure Risk

Frequent complaints involve battery drain, stalling, and system malfunctions, often related to the Generator Control Module (GCM). These issues can lead to unexpected power loss, affecting critical functions like power steering and brakes.

Early detection can help you avoid a $300-$1,500 repair.

Open Maintenance Analysis →

Safety & Bulletins

Open Recalls5

Service Bulletins0

Full Recall History →

Owner Complaints

297

Electrical System59

Detailed Issue Breakdown →

Performance & Efficiency

Fuel Efficiency

Combined

MPG

City

MPG

Highway

MPG

Full Vehicle Specifications ↓

Reliability

Practicality

The score is mainly limited by high fuel consumption.

Buyer Fit

Who This Car Is For

Best for

Buyers prioritizing comfort and a quiet cabin over long-term mechanical certainty.

+2 more buyer-fit notes in the full report

Avoid if

Drivers who expect trouble-free ownership and minimal repair bills.

+2 more buyer-fit warnings in the full report

2012 Buick LaCrosse Reliability Analysis

Specs

Vehicle Specs

Fuel Type: Gasoline or E85
Transmission: Automatic (S6)
Drivetrain: Front-Wheel Drive
Body Style: Sedan
EPA Combined MPG: 21

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Most Common Issues

1. Electrical System

Most reported

Usage: 59 reports

2. ENGINE

Usage: 45 reports

See all common issues in the maintenance guide

First Service Interval

- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Coolant Level Check - Windshield Wiper Blade Inspection/Replacement

Est. shop cost: $100 - $200

7,500 mi

Unlock the full maintenance guide for every scheduled service interval and cost forecast.

Full pre-purchase inspection checklist

Complete maintenance schedule (4 service intervals)

Repair forecasts with mileage and cost context

Full buyer-fit guidance and who should avoid it

Full specs and trim-level context

5 recall campaign details & remedy notes

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FAQ

Is the 2012 Buick LaCrosse reliable?

The CarFocal Reliability Score for the 2012 Buick LaCrosse is 7.5/10. Reliability score is 7.5/10. NHTSA recalls: 5. Owner complaints: 297.

How practical is the 2012 Buick LaCrosse for daily use?

Practicality score is 5.0/10. The score is mainly limited by high fuel consumption. EPA combined economy is 21 MPG.

What is the overall score for the 2012 Buick LaCrosse?

The CarFocal Overall Score for the 2012 Buick LaCrosse is 7.1/10. Overall score is 7.1/10 (Good). Confidence 85%. Maintenance 8.5/10. Practicality 5.0/10.

What does it cost to own and maintain a 2012 Buick LaCrosse?

Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Oil, Oil Filter) - Tire Rotation and Inspection - Brake System Inspection - Coolant Level Check - Windshield Wiper Blade Inspection/Replacement at 7,500 miles. Estimated first-year maintenance: $500 - $1,000. Repair prediction highlight: Electrical System (GCM) (typical at 75,000 miles, estimated cost Min: $500 • Max: $1,500).

What engine is in the 2012 Buick LaCrosse?

Engine specs list 6 • 3.6.

What transmission does the 2012 Buick LaCrosse use?

According to CarFocal's specs for the 2012 Buick LaCrosse, transmission is Automatic (S6). The paired drivetrain is Front-Wheel Drive.

Does the 2012 LaCrosse require Gasoline or E85 gas?

Manufacturer fuel recommendation: Gasoline or E85.

What is the combined EPA MPG for the 2012 Buick LaCrosse?

EPA combined estimate is 21 MPG.

What driver assistance and safety features are available on the 2012 Buick LaCrosse?

1 standard driver assistance features. Key features include Tire Pressure Monitoring System.

What body style is the 2012 Buick LaCrosse?

According to CarFocal's specs for the 2012 Buick LaCrosse, body style is sedan.

What drivetrain does the 2012 Buick LaCrosse use?

According to CarFocal's specs for the 2012 Buick LaCrosse, drivetrain is Front-Wheel Drive. Transmission is Automatic (S6).

What are the NHTSA safety ratings for the 2012 Buick LaCrosse?

NHTSA ratings: Overall 5/5 • Frontal 5/5 • Side 5/5 • Rollover 4/5.

What are the most common electrical system problems on the 2012 Buick LaCrosse?

Top complaint category: electrical system (59 reports, 19.9% of complaints).

Are there open safety recalls on the 2012 Buick LaCrosse?

This model year has 5 official safety campaigns listed.

Should buyers consider alternatives to the 2012 Buick LaCrosse?

Alternatives listed in this guide: 2012 Toyota Avalon and 2012 Honda Accord.