IllustrationTHE ENGINE FAILED AND LEAKED ANTI FREEZE WHILE DRIVING AT 55 MPH. THERE WERE 2 LARGE HOLES IN THE ENGINE. *JB
1999 GMC Denali
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
Counts are not adjusted for sales, age, mileage exposure or reporting. A lower count does not establish that a car is problem-free.
About this comparison →14Owner complaints
Model-year median: 8.5
1Recall campaignsView recall details →
0InvestigationsView investigation details →
Check a VIN with NHTSA ↗ Model-level counts do not show whether a particular VIN is affected or repaired.
Inspection summary
1999 GMC Denali
NHTSA snapshot: September 18, 2026. 14 owner complaints · 1 recall campaigns · 0 investigations.
Counts are not failure probabilities and are not adjusted for sales, age, mileage exposure or reporting. One report may name several categories. Comparison method and limitations.
Top reported categories (up to 5)
- Service Brakes, Hydraulic: 5 reports
- Electrical System: 4 reports
- Engine And Engine Cooling: 1 reports
- Power Train: 1 reports
- Steering: 1 reports
Full reported-category list and vehicle report
Recall links
Check a VIN with NHTSA. Model-level history does not establish whether a particular VIN is affected or repaired.
Print the top reported categories, recall links, snapshot date and comparison limits.
How this year compares
Owner complaints by model year
Compare all Denali years →Counts vary with age, sales, mileage exposure and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 10 of 14 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Service Brakes, Hydraulic. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports1 fire reports0 injury reports
What owners actually said
14 reportsTHE CONSUMER IS CONCERNED WHILE TRAVELING ON THE HIGHWAY WITHOUT PRIOR WARNING THE VEHICLE STALLED. HE WAS ABLE TO PULL OVER AND LIFT THE HOOD UP AND NOTICED THAT BATTERY ACID HAD EXPLODED FROM THE BATTERY. PLEASE FILL IN ADDITIONAL INFORMATION DEALER IS AWARE OF THE PROBLEM. TS
WHILE DRIVING ABOUT 15 MPH HAD HEARD A LOUD NOISE FROM TRANSMISSION LIKE SOMEBODY HAD STRUCKED VEHICLE AND CONTINUED DRIVING, BUT WHEN GOT IN FRONT OF HOUSE ENGINE STOPPED WORKING, AND NOTICED THAT TRANSMISSION HAD BLOWNOUT. DEALER WOULD LIKE TO FIX VEHICLE, BUT CONSUMER WOULD LIKE TO HAVE MORE INFORMATION ABOUT IT. PLEASE …
Read full complaint
WHILE DRIVING ABOUT 15 MPH HAD HEARD A LOUD NOISE FROM TRANSMISSION LIKE SOMEBODY HAD STRUCKED VEHICLE AND CONTINUED DRIVING, BUT WHEN GOT IN FRONT OF HOUSE ENGINE STOPPED WORKING, AND NOTICED THAT TRANSMISSION HAD BLOWNOUT. DEALER WOULD LIKE TO FIX VEHICLE, BUT CONSUMER WOULD LIKE TO HAVE MORE INFORMATION ABOUT IT. PLEASE CONSUMER PROVIDE MORE INFORMATION.*AK
FRONT INSIDE BRAKE PADS WORE DOWN TO METAL IN 9100 MILES. RIGHT FRONT ROTOR WAS SCORED AND NEEDED TO BE TURNED DOWN. DEALER STATES CALIPERS ARE WORKING CORRECTLY. THEN WHY ONLY ARE THE INSIDE PADS WORN.
Recall campaigns
100V122000 · Seat Belts:front:webbing
Apr 27, 2000
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."
Consequence & remedy
Consequence: IN THE EVENT OF A VEHICLE CRASH, THE RIGHT FRONT PASSENGER RESTRAINT SYSTEMS MAY NOT MEET THE NECK EXTENSION REQUIREMENTS.
Remedy: DEALERS WILL INSTALL A TRAY INSERT ON THE TOP OF THE PASSENGER SIDE OF THE INSTRUMENT PANEL. THE TRAY INSERT CORRECTS THE NONCOMPLIANCE.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
Defect investigations
0No exact-year investigations in this snapshot.
An investigation is not a finding of a defect, and closure does not prove a vehicle is problem-free.