2002 Gmc Sierra 1500: Reliability Data
When Do Complaints Happen?
Distribution of NHTSA complaints by vehicle mileage at time of report.
What Fails?
Most reported component issues from NHTSA complaints.
Severity Assessment
Sample Complaint Reports
"REAR BRAKE FULID AND EMERGENCY LINE IS EXPOSED AND EASILY DAMAGED BY ROAD DEBRIS AND/OR RUBBLE. 2WD C1500 TRUCKS HAVE BRAKE LINES AND CABLES DROOPING DOWN BEYOND BELOW REAR SHOCK ABSORBERS AND ARE EASILY SNAGGED BY ROAD TRASH.*JB CAUSING LOSS OF FULID AND BRAKING ABILITY."
"ON DEC 8, 2003 I WAS DRIVING AT APPROX. 45 MILES PER HOUR WHEN MY TRANSMISSION SHIFTED OUT OF GEAR AND THEN AFTER A FEW SECOUNDS IT SHIFTED INTO LOW GEAR, ALL ON ITS OWN. THERE WAS A CAR TRAVELING BEHIND THAT ALMOST HIT ME FROM BEHIND. I PULLED OVER AND PUT MY TRUCK IN PARK. I LOOKED UNDER MY TRUCK ..."
"I SAT ON MY TAIL GATE AND THE TAIL GATE FELL DOWN. WHEN I LOOKED I HAD ONE BROKE CABLE AND THE OTHER SIDE THE BOLT WAS MISSING. I BOUGHT TWO CABLES FROM ADVANCE AUTO REPLACED ONE SIDE BUT I COULD NOT GET THE BOLT BACK IN THE OTHER SIDE. I WAS PLANNING TO TAKE THE TRUCK TO THE DEALER THE FOLLOWING WE..."
Source: NHTSA ODI Complaints Database. Names and identifying details omitted.
When Were Complaints Filed?
Number of complaints by the year the issue occurred.
When Does Each Component Fail?
Median mileage at complaint for top components.
Where Are Complaints Coming From?
Top states by complaint count.
Who Files Complaints?
Gmc Sierra 1500 — Other Years
See how this model compares across different model years.
Active Recalls (4)
Federal safety recalls issued for this vehicle.
Extend Your Brake Life
Based on the most common issues reported for this vehicle.
- Replace brake pads before they wear to the metal — rotors cost 3x more
- Flush brake fluid every 2-3 years regardless of mileage
- Don't ride the brakes downhill — use engine braking
- Address any grinding, pulsing, or pulling immediately
- Have brakes inspected during every tire rotation
Vehicle Rankings
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Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.
Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.
Data through: 2026-03-28