Complaints
182
Crashes
10
Fires
0
Injuries
7
Fatalities
—
Recalls
0
Worst 1999 GMC Sierra 1500 Problems
Top 3 most-reported issues with average mileage at failure.
#137 complaints
Hydraulic Brakes
Avg mileage:112,648 mi
Crash-related:4
#230 complaints
Brakes
Avg mileage:304,958 mi
Crash-related:2
#314 complaints
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip
Avg mileage:56,322 mi
Crash-related:1
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All Problems by Category
Every NHTSA complaint category for the 1999 GMC Sierra 1500.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Hydraulic Brakes | 37 | 4 | — | 112,648 mi | |
| Brakes | 30 | 2 | — | 304,958 mi | |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 14 | 1 | — | 56,322 mi | |
| Service Brakes, Hydraulic:Foundation Components:Hoses, Lines/Piping, And Fittings | 14 | — | — | 87,852 mi | |
| Seat-Related Issues | 10 | — | — | 58,337 mi | |
| Electrical Faults | 6 | — | — | 72,667 mi | |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Control Unit/Module | 6 | 1 | — | 64,625 mi | |
| Body Structure | 6 | — | — | 124,672 mi | |
| Suspension Failures | 4 | — | — | — | |
| Gasoline Fuel System | 3 | — | — | — | |
| Service Brakes, Air:Antilock:Control Unit/Module | 3 | — | — | — | |
| Steering Defects | 3 | — | — | — | |
| Tire Defects | 3 | — | — | — | |
| Instrument Cluster | 2 | — | — | — | |
| Engine & Cooling | 2 | — | — | — | |
| Fuel System | 2 | 1 | — | — | |
| Parking-Brake Issues | 2 | — | — | — | |
| Seat Belt Issues | 2 | — | — | — | |
| Suspension:Front:Hub | 2 | — | — | — | |
| Airbags | 1 | 1 | — | — | |
| Air Bags:Frontal | 1 | — | — | — | |
| Engine Problems | 1 | — | — | — | |
| Engine And Engine Cooling:Cooling System:Hoses/Lines/Piping/Fittings | 1 | — | — | — | |
| Engine And Engine Cooling:Engine | 1 | — | — | — | |
| Engine And Engine Cooling:Engine:Gasoline | 1 | — | — | — | |
| Engine And Engine Cooling:Exhaust System | 1 | — | — | — | |
| Equipment Adaptive/Mobility | 1 | — | — | — | |
| Fuel System, Gasoline:Storage:Tank Assembly | 1 | — | — | — | |
| Fuel System, Gasoline:Storage:Tank Assembly:Mounting | 1 | — | — | — |
Hydraulic Brakes
37
complaints
Crashes
4
Fires
—
Avg Miles
112,648
Brakes
30
complaints
Crashes
2
Fires
—
Avg Miles
304,958
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip
14
complaints
Crashes
1
Fires
—
Avg Miles
56,322
Service Brakes, Hydraulic:Foundation Components:Hoses, Lines/Piping, And Fittings
14
complaints
Crashes
—
Fires
—
Avg Miles
87,852
Seat-Related Issues
10
complaints
Crashes
—
Fires
—
Avg Miles
58,337
Electrical Faults
6
complaints
Crashes
—
Fires
—
Avg Miles
72,667
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip:Control Unit/Module
6
complaints
Crashes
1
Fires
—
Avg Miles
64,625
Body Structure
6
complaints
Crashes
—
Fires
—
Avg Miles
124,672
Suspension Failures
4
complaints
Crashes
—
Fires
—
Avg Miles
—
Gasoline Fuel System
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Service Brakes, Air:Antilock:Control Unit/Module
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Steering Defects
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Tire Defects
3
complaints
Crashes
—
Fires
—
Avg Miles
—
Instrument Cluster
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine & Cooling
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Fuel System
2
complaints
Crashes
1
Fires
—
Avg Miles
—
Parking-Brake Issues
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Seat Belt Issues
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Suspension:Front:Hub
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Airbags
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Air Bags:Frontal
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine Problems
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Cooling System:Hoses/Lines/Piping/Fittings
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Engine
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Engine:Gasoline
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Exhaust System
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Equipment Adaptive/Mobility
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Fuel System, Gasoline:Storage:Tank Assembly
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Fuel System, Gasoline:Storage:Tank Assembly:Mounting
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Search Owner Complaints
Read what owners actually reported to NHTSA for the 1999 GMC Sierra 1500. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other GMC Sierra 1500 Years
1999 GMC Sierra 1500 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 1999 GMC Sierra 1500 reliable?
Verdict: Below Average Complaints. The 1999 GMC Sierra 1500 has 182 NHTSA complaints, 10 crash-related, and 0 recall campaigns. The most common issue is Hydraulic Brakes with 37 complaints. Source: NHTSA via VinItel.
What are common problems with the 1999 GMC Sierra 1500?
Top reported problems: Hydraulic Brakes (37 complaints, avg 112,648 mi); Brakes (30 complaints, avg 304,958 mi); Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip (14 complaints, avg 56,322 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 1999 GMC Sierra 1500?
The weighted average mileage at time of complaint is about 142,198 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 1999 GMC Sierra 1500?
NHTSA complaints for the 1999 GMC Sierra 1500 include 10 crash-related reports, 0 fire reports, 7 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 1999 GMC Sierra 1500 have any recalls?
No NHTSA recall campaigns have been issued for the 1999 GMC Sierra 1500 as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 1999 GMC Sierra 1500?
Fewer complaints than typical for this model. That's a good sign, but every individual car is different — the VIN still tells you what happened to this specific one.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full GMC Sierra 1500 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 1999 GMC Sierra 1500
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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