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#BS-1999-BUILES-3BBC

1999 Buick Lesabre

Based on reports from 268 owners and 2 recalls for this exact model.

Complaints
268
Crashes
26
Fires
36
Recalls
2
TSBs
49
🛑

Preliminary Verdict

Red Flag

Based on 268 complaints, 26 crashes, 36 fires, and 2 recalls.

See full verdict with buy/skip conditions

Top reported problems

1

intake manifold crack

3 complaints • Severity 10/10

$X,XXX
2

check engine light

1 complaints • Severity 8/10

$X,XXX
3

suspension wear

1 complaints • Severity 10/10

$X,XXX

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the Engine And Engine Cooling:engine:gasolineHIGH

38 owners reported engine and engine cooling:engine:gasoline issues — failures commonly reported around 77K miles.

!Inspect the EngineMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

7
0–30K
28
30–60K
27
60–90K
12
90–120K
10
120–150K
16
150K+

Peak failure range: 30–60K miles (28 reports) • Median: 77K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Engine And Engine Cooling:engine:gasoline (38 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Engine And Engine Cooling:engine:gasoline38 (14%)
Engine19 (7%)
Power Train:automatic Transmission14 (5%)
Engine And Engine Cooling:engine13 (5%)
Electrical12 (4%)
Fuel System8 (3%)
Air Bags:frontal7 (3%)
Fuel System, Gasoline:delivery7 (3%)

1999 Buick Lesabre: Known Issues & Problem Areas

Engine And Engine Cooling:engine:gasoline Issues

Engine And Engine Cooling:engine:gasoline complaints account for 14% of all reports filed for the 1999 Buick Lesabre, with 38 owners filing complaints with NHTSA. The median mileage at time of complaint is 76,939 miles, suggesting issues tend to surface around the 77K-mile mark.

Engine Issues

Engine complaints account for 7% of all reports filed for the 1999 Buick Lesabre, with 19 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.

Power Train:automatic Transmission Issues

Power Train:automatic Transmission complaints account for 5% of all reports filed for the 1999 Buick Lesabre, with 14 owners filing complaints with NHTSA. Owners should pay attention to power train:automatic transmission-related symptoms during test drives and pre-purchase inspections.

Engine And Engine Cooling:engine Issues

Engine And Engine Cooling:engine complaints account for 5% of all reports filed for the 1999 Buick Lesabre, with 13 owners filing complaints with NHTSA. Owners should pay attention to engine and engine cooling:engine-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

40
00
26
01
28
02
27
03
45
04
15
05
7
06
7
07
4
08
2
09
1
10
11
11
2
13
15
14
3
15
1
16
5
17
1
18
2
19

Complaints filed with NHTSA by year for the 1999 Buick Lesabre. Recent trend: increasing.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (2 recalls)

04V090000Jun 2004

FUEL SYSTEM, GASOLINE:DELIVERY

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL RATE OF FUEL LEAKS. A LEAK CAN ALLOW FUEL TO ENTER THE INTAKE MANIFOLD THROUGH A VACUUM LINE. IF THE ENGINE DOES NOT START WHEN CRANKED, THE FUEL FROM THE LEAKING REGULATOR AND A MISTIMED SPARK CAN CAUSE A BACKFIRE.

99V089000May 1999

POWER TRAIN:AUTOMATIC TRANSMISSION

VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH 4T65E AUTOMATIC TRANSMISSIONS. THESE VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FMVSS NO. 102, "TRANSMISSION SHIFT LEVER SEQUENCE." A RETAINING CLIP, WHICH SECURES THE MANUAL VALVE TO THE LINKAGE OF THE TRANSMISSION DETENT LEVER, CAN BECOME LOOSE UNDER A COMBINATION OF POSSIBLE DRIVER SHIFTING MANEUVERS AND ALLOW THE LINK TO BECOME DISCONNECTED FROM THE MANUAL VALVE.

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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The worst model year for the Buick Lesabre is the 2002 — worth knowing if you're cross-shopping years. The biggest problem area is windows / windshield.

1999 Buick Lesabre vs. Class Average (Large Cars)

This vehicle

268

Class avg

249

Complaint volume is roughly in line with other large cars vehicles from 1999.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 268 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 2 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Buick Lesabre Model Years

2006200520042003200220012000199919981997199619951994199319921991199019891988198719861985198419831982198119801979197819771976197519741973197219711970196919681967
View all Buick Lesabre years →

1999 Buick Lesabre: Frequently Asked Questions

What is the most common problem with the 1999 Buick Lesabre?
The most commonly reported issue with the 1999 Buick Lesabre is related to the engine and engine cooling:engine:gasoline, with 38 complaints filed with NHTSA.
Is the 1999 Buick Lesabre reliable?
The 1999 Buick Lesabre has 268 complaints, 26 crash reports, and 36 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How much does it cost to fix 1999 Buick Lesabre problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 1999 Buick Lesabre have any recalls?
Yes, the 1999 Buick Lesabre has 2 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Buick Lesabre problems start?
Based on 100 complaints with mileage data, the median mileage at time of complaint is 76,939 miles. The highest concentration of reported issues occurs in the 30–60K mile range. The full report breaks down exactly which components fail at each mileage bracket.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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10 sections of AI analysis based on 268 owner reports. Know before you buy.

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