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#BS-1999-GMCDEN-1C8E

1999 Gmc Denali

Based on reports from 14 owners and 1 recall for this exact model.

Complaints
14
Crashes
0
Fires
1
Recalls
1
TSBs
16
🟢

Preliminary Verdict

Proceed with Caution

Based on 14 complaints, 0 crashes, 1 fires, and 1 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the Electrical System:12v/24v/48v Battery:cablesHIGH

2 owners reported electrical system:12v/24v/48v battery:cables issues — failures commonly reported around 85K miles.

!Inspect the Service Brakes, Hydraulic:antilock/traction Control/electronic Limited SlipMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Electrical System:12v/24v/48v Battery:cables (2 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

Electrical System:12v/24v/48v Battery:cables2 (14%)
Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip2 (14%)
Service Brakes, Hydraulic:foundation Components:disc1 (7%)
Power Train:automatic Transmission1 (7%)
Engine And Engine Cooling:engine1 (7%)
Visibility:windshield Wiper/washer:motor1 (7%)
Suspension1 (7%)
Steering:column1 (7%)

1999 Gmc Denali: Known Issues & Problem Areas

Electrical System:12v/24v/48v Battery:cables Issues

Electrical System:12v/24v/48v Battery:cables complaints account for 14% of all reports filed for the 1999 Gmc Denali, with 2 owners filing complaints with NHTSA. The median mileage at time of complaint is 85,000 miles, suggesting issues tend to surface around the 85K-mile mark.

Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip Issues

Service Brakes, Hydraulic:antilock/traction Control/electronic Limited Slip complaints account for 14% of all reports filed for the 1999 Gmc Denali, with 2 owners filing complaints with NHTSA. Owners should pay attention to service brakes, hydraulic:antilock/traction control/electronic limited slip-related symptoms during test drives and pre-purchase inspections.

Service Brakes, Hydraulic:foundation Components:disc Issues

Service Brakes, Hydraulic:foundation Components:disc complaints account for 7% of all reports filed for the 1999 Gmc Denali, with 1 owners filing complaints with NHTSA. Owners should pay attention to service brakes, hydraulic:foundation components:disc-related symptoms during test drives and pre-purchase inspections.

Power Train:automatic Transmission Issues

Power Train:automatic Transmission complaints account for 7% of all reports filed for the 1999 Gmc Denali, with 1 owners filing complaints with NHTSA. Owners should pay attention to power train:automatic transmission-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

1
01
3
03
3
04
1
05
2
06
1
07
1
09
1
10

Complaints filed with NHTSA by year for the 1999 Gmc Denali. Recent trend: stable.

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

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Recall History (1 recall)

00V122000Dec 2000

SEAT BELTS:FRONT:WEBBING

VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND SPORT UTILITY VEHICLES. THESE VEHICLES DO NOT COMPLY WITH THE OCCUPANT PROTECTION REQUIREMENTS OF FMVSS NO. 208, "OCCUPANT CRASH PROTECTION."

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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About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 14 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 1 recall found for this vehicle.

Repair Cost Data

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

Other Gmc Denali Model Years

20152014201320122011201020092008200720062005200420032002200120001999
View all Gmc Denali years →

1999 Gmc Denali: Frequently Asked Questions

What is the most common problem with the 1999 Gmc Denali?
The most commonly reported issue with the 1999 Gmc Denali is related to the electrical system:12v/24v/48v battery:cables, with 2 complaints filed with NHTSA.
Is the 1999 Gmc Denali reliable?
The 1999 Gmc Denali has 14 complaints, 0 crash reports, and 1 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 Gmc Denali 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 Gmc Denali have any recalls?
Yes, the 1999 Gmc Denali has 1 recall on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Gmc Denali problems start?
Based on 10 complaints with mileage data, the median mileage at time of complaint is 85,000 miles. The highest concentration of reported issues occurs in the 60–90K 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 14 owner reports. Know before you buy.

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