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ProblemsByVin File / 2005-BUICK-LACROSSE NHTSA data synced 1 day ago
Buick

2005 Buick LaCrosse problems

The 2005 Buick LaCrosse has 314 NHTSA owner complaints and 5 active recall campaigns on file. Here's the breakdown — what's serious, what's noise, and what a working mechanic would actually do about it.

The 2005 Buick LaCrosse has 314 NHTSA owner complaints and 5 recalls on file (U.S. federal records, as of August 2026). The most-reported system is lighting at 73 complaints, typically surfacing around 88,241 miles (~$250 to repair). Source: NHTSA Office of Defects Investigation.

Buick LaCrosse owner complaints by model year
Model yearOwner complaintsRecalls
2005 LaCrosse (this page) 314 5
2006 LaCrosse 299 4
2007 LaCrosse 249 4
2008 LaCrosse 250 2
2005 Buick LaCrosse
Photo: IFCAR / Wikimedia Commons, Public domain · representative photo of the Buick LaCrosse
0 5 10
Reliability score
6.2 / 10

Average for the segment. Some recurring trouble spots worth knowing about.

0
Critical
5
Severe
0
Moderate
Should you avoid this 2005 LaCrosse?
High-risk ownership

Repair exposure runs above average — only with money set aside and eyes open.

Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.

Buying a used 2005 Buick LaCrosse? Check these first

Here's what this model is known to do — so you can inspect for it, price it in, or make the seller fix it before you sign.

What to inspect on this specific car

⚠ The one to take seriously: electrical is flagged severe on this model , showing up around 109,028 mi. Inspect it closely on a test drive.

Recalls to confirm are done

Run the VIN from the listing — 5 active recalls on this model. Recall repairs are always free.

Verdict for buyers: 6.2/10 model. The priciest documented failure is engine (~$3,100) — get the seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.

We tell you what this model is known for and what to inspect — a vehicle-history report tells you what this exact car has been through. Smart buyers get both.

See the full pre-purchase inspection checklist →
✦ Ask the data · AI

Ask anything about your 2005 Buick LaCrosse

A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in this vehicle's actual NHTSA record, not generic advice.

Dash light, leak, worn part — snap it and we'll read it against this car's record.

Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.

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Top trouble spots 8 categories with 3+ complaints

lighting
73 reports · fails ~88,241 mi · avg $250
moderate
electrical
68 reports · fails ~109,028 mi · avg $850
severe
steering
51 reports · fails ~46,322 mi · avg $700
severe
airbags
28 reports · fails ~82,522 mi · avg $1,100
severe
brakes
24 reports · fails ~40,092 mi · avg $450
moderate
body
13 reports · fails ~49,615 mi · avg $1,500
moderate
engine
11 reports · fails ~55,897 mi · avg $3,100
moderate
powertrain
10 reports · fails ~79,090 mi · avg $2,500
moderate

Your road ahead on this 2005 Buick LaCrosse

When owners report each system failing, in actual miles — so you can see what's likely behind you, what's due around now, and what to budget for next. Enter your mileage to mark where you are.

  1. ~35,500 misteering~$700
  2. ~35,650 mibrakes~$450
  3. ~42,000 miengine~$3,100
  4. ~75,000 miairbags~$1,100
  5. ~83,371 mipowertrain~$2,500
  6. ~84,511 milighting~$250
  7. ~107,450 mielectrical~$850

"Typical" = median owner-reported failure mileage from the NHTSA complaint record for this exact year and model. Not a maintenance schedule — a heads-up on where this model's failures cluster.

Buyer's checklist
Going to look at one? Use the pre-purchase inspection list.
Generated from this 2005 LaCrosse's actual NHTSA complaint history — every item points at a documented failure pattern on this exact vehicle, not generic walkaround filler.
See the checklist ->
Honest Calculator
Should you buy an extended warranty on this 2005 LaCrosse?
We pulled the math: risk-weighted exposure, typical contract cost, and our verdict on whether coverage pencils out for this specific vehicle.
See the calculator ->

What owners are saying recent NHTSA-filed complaints · verbatim

2005 LaCrosse · lighting
Tl* the contact owns a 2005 Buick lacrosse. While driving at an unknown speed, both low beam headlamps failed to illuminate. The vehicle was not diagnosed or repaired. The VIN was included in NHTSA campaign number: 14v755000 (exterior lighting). The part needed to repair the…
12/31/2015 · at 80,374 mi · NHTSA ODI #10817160.0 · see lighting pattern →
2005 LaCrosse · lighting
Tl* the contact owns a 2005 Buick lacrosse. The contact stated that the low beam headlights failed when driving. The vehicle was taken to a dealer, who replaced the head lamp control module. The contact stated that the high beams were required in order to view the road when the…
12/31/2014 · at 28,000 mi · NHTSA ODI #10669372.0 · see lighting pattern →
2005 LaCrosse · steering
Tl*the contact owns a 2005 Buick lacrosse. While driving approximately 50 MPH, the vehicle began wobbling excessively and the steering column was difficult to operate. The dealer rotated the tires and adjusted the alignment. Three weeks after the repairs were made, the…
12/31/2007 · at 2,000 mi · NHTSA ODI #10213286.0 · see steering pattern →
2005 LaCrosse · lighting Fire
Tl* the contact owns a 2005 Buick lacrosse. The contact stated that while driving at various speeds, there was an abnormal burning odor emitting from the vents. The vehicle was taken to a dealer where it was diagnosed that a wire was burning and was related to NHTSA campaign…
12/29/2015 · at 93,000 mi · NHTSA ODI #10816842.0 · see lighting pattern →
View all 314 owner complaints →
Had a problem with your 2005 Buick LaCrosse? File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.

Estimate your repair exposure

Drag to your current mileage. Numbers are derived from this vehicle's complaint history.

0 mi 200k mi
At 80,000 miles
Likely repair cost in next 24 months
$0

Active recalls showing 3 of 5

severe NHTSA 15V519000 August 14, 2015

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

Headlamps that do not illuminate reduce the driver's ability to see the roadway and reduce the vehicle's visibility to oncoming vehicles, both of which increase the risk of a vehicle crash.

Fix: GM will notify owners, and dealers will replace the HDM, free of charge. The recall began on May 17, 2016. Owners may contact Buick customer service at 1-800-521-7300 or Pontiac customer service at 1-800-762-2737. GM's number for this recall is 14291.
severe NHTSA 14V355000 June 23, 2014

This defect can affect the safe operation of the airbag system

If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury. Additionally, a key knocked out of the run position will cause loss of engine power, power steering, and power braking, increasing the risk of a vehicle crash.

Fix: GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cover over the key head on all ignition keys, free of charge. The recall began on September 23, 2014. Owners may contact General Motors customer service at 1-800-521-7300 (Buick), 1-800-458-8006 (Cadillac), and 1-800-222-1020 (Chevrolet). GM's number for this recall is 14299.
severe NHTSA 09E005000 February 17, 2009

Dorman is recalling 979 steering knuckles, dorman p/nos

A broken steering knuckle could result in loss of steering control and a possible crash without warning.

Fix: Dorman will notify owners and replace the defective steering knuckles free of charge and reimburse the repair facility or owner for labor. The recall began on february 23, 2009. Owners may contact dorman's toll-free hotline at 1-800-523-2492 and press 5.
View all 5 recalls →

Common questions

Is the 2005 Buick LaCrosse reliable?

It's got known weak points. With a reliability score of 6.2 out of 10 based on 314 owner complaints filed with NHTSA, the 2005 Buick LaCrosse has a higher-than-average rate of reported issues. The areas to watch are listed above. Whether it's worth owning depends on price, condition, and how much repair exposure you can absorb.

Should you avoid the 2005 Buick LaCrosse?

The 2005 Buick LaCrosse is a higher-risk ownership prospect. Repair exposure runs above average — only with money set aside and eyes open. The record behind that call: Electrical system: 68 complaints, classified severe, failures cluster 70,000–134,000 mi; Steering: 51 complaints, classified severe, failures cluster 24,000–69,500 mi; Reliability score 6.2/10 — around the segment average; 5 recall campaigns on file. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.

What should I check before buying a used 2005 Buick LaCrosse?

Inspect the lighting first — it's the most-reported issue on this model, with 73 owner complaints filed. Typical failure occurs around 88,241 miles. Average repair cost runs about $250 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.

Is the 2005 Buick LaCrosse a good used car to buy?

It scores 6.2 out of 10 on our NHTSA-based read of 314 owner complaints. The main thing to watch is lighting. Typical failure occurs around 88,241 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.

What's the most common problem on the 2005 Buick LaCrosse?

Based on NHTSA records, the most-reported issue is lighting, with 73 complaints filed. Typical failure occurs around 88,241 miles. Average repair cost runs about $250 at an independent shop.

What's the most expensive thing that goes wrong?

The lighting is one of the costlier repair items. Average repair cost runs about $250 at an independent shop. Typical failure occurs around 88,241 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Buick LaCrosse has open recalls?

Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.

Is an extended warranty worth it on a 2005 Buick LaCrosse?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 314 complaints on file and the costliest repair averaging $250, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.

Related

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 1 day ago. Verify the raw federal record at nhtsa.gov/vehicle/2005/Buick/LaCrosse. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with Buick. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.
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