"How reliable is the 2009 Gmc Sierra 2500?"

"Based on 37 NHTSA complaints, the 2009 Gmc Sierra 2500 has a median complaint mileage of 39200 miles. The most common issue is ELECTRICAL SYSTEM."

"What are common problems with the 2009 Gmc Sierra 2500?"

"The most frequently reported component in NHTSA complaints for the 2009 Gmc Sierra 2500 is ELECTRICAL SYSTEM, accounting for a significant portion of the 37 total complaints filed."

2009 Gmc Sierra 2500: Reliability Data

Source: NHTSA — 37 complaints

Total Complaints

39,200mi

Median Mileage

ELECTRICAL SYSTEM

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

15,000 25th Percentile

39,200 Median Mileage

75,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM

AIR BAGS

SERVICE BRAKES

SERVICE BRAKES, HYDRAULIC

TIRES

LATCHES/LOCKS/LINKAGES

ENGINE

STRUCTURE

STRUCTURE:BODY

UNKNOWN OR OTHER

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"TL*THE CONTACT OWNS A 2009 GMC SIERRA 2500. THE CONTACT STATED THAT THE BRAKE CONTROLLER WAS INOPERATIVE. THE DEALER WOULD NOT ASSIST. HE TOOK THE VEHICLE TO A TRAILER SPECIALIST AND WAS INFORMED THAT THE VEHICLE WAS DEFECTIVE. THE FAILURE HAS NOT BEEN REMEDIED SUFFICIENTLY. THE FAILURE AND CUR..."

"TL*THE CONTACT OWNS A 2009 GMC SIERRA 2500. WHEN THE CONTACT ATTEMPTED TO DRIVE THE VEHICLE, SHE HEARD A RATCHET SOUND UNDERNEATH THE VEHICLE. THE VEHICLE JERKED FORWARD SLIGHTLY. SHE ALSO NOTICED THAT ALL OF THE WARNING LIGHTS ON THE INSTRUMENT PANEL WERE ILLUMINATED. THE VEHICLE IS CURRENTLY B..."

"WAS BACKING OUT OF DRIVEWAY AND HIT BRAKES. PEDAL DEPRESSED FURTHER THAN NORMAL AND IT TOOK EXTREME EFFORT TO STOP THE TRUCK. I TRIED TURNING TRUCK OFF AND THEN RESTARTING IT TO SEE IF THAT WOULD FIX THE PROBLEM. IT DID NOT. I THEN TRIED TO STEER THE VEHICLE TO LINE IT UP WITH THE ROADWAY SO IT ..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

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