"How reliable is the 2011 Gmc Sierra 2500?"

"Based on 81 NHTSA complaints, the 2011 Gmc Sierra 2500 has a median complaint mileage of 57000 miles. The most common issue is AIR BAGS."

"What are common problems with the 2011 Gmc Sierra 2500?"

"The most frequently reported component in NHTSA complaints for the 2011 Gmc Sierra 2500 is AIR BAGS, accounting for a significant portion of the 81 total complaints filed."

2011 Gmc Sierra 2500: Reliability Data

Source: NHTSA — 81 complaints

Total Complaints

57,000mi

Median Mileage

AIR BAGS

Top Issue

Crash Reports

When Do Complaints Happen?

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

27,014 25th Percentile

57,000 Median Mileage

112,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS

STRUCTURE:BODY

UNKNOWN OR OTHER

ELECTRICAL SYSTEM

POWER TRAIN

ENGINE

STEERING

FUEL/PROPULSION SYSTEM

WHEELS

VEHICLE SPEED CONTROL

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"TL*THE CONTACT OWNS A 2011 GMC SIERRA 2500 HD. WHILE DRIVING APPROXIMATELY 35 MPH, THE CONTACT FELT AN ABNORMAL VIBRATION IN THE STEERING WHEEL WHICH OCCURRED SPORADICALLY. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE TECHNICIANS WERE UNABLE TO DIAGNOSE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. TH..."

"WE PURCHASED 24 2011 GMC 2500 TRUCKS WITH OMAHA UTILITY BODIES. ABOUT 1 MONTH AFTER PUTTING THE UNITS IN SERVICE WE HAD A FAILURE OF THE MODULE THAT OPERATES THE REAR BRAKE/TAIL/TURN LIGHTS. IT HAD NO LEFT TURN LIGHT,AND THE RIGHT TURN OPERATED WITH THE TURN SWITCH SET TO LEFT OR RIGHT. WE REMOVED T..."

"VEHICLE EXHIBITED "LOW COOLANT" WARNING IN DIC AFTER GM DEF RECALL WAS PERFORMED. "LOW COOLANT" WARNING RETURNED AFTER MULTIPLE REPAIRS TO THE COOLANT SYSTEM FROM SERVICING DEALER. FAILURE OF COOLANT SYSTEM RESULTED IN A FAILURE OF THE HEAD GASKET AND WATER INTRUSION INTO THE #7 CYLINDER. VEHICLE..."

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