"How reliable is the 2012 Gmc Sierra 2500?"

"Based on 39 NHTSA complaints, the 2012 Gmc Sierra 2500 has a median complaint mileage of 70000 miles. The most common issue is AIR BAGS."

"What are common problems with the 2012 Gmc Sierra 2500?"

"The most frequently reported component in NHTSA complaints for the 2012 Gmc Sierra 2500 is AIR BAGS, accounting for a significant portion of the 39 total complaints filed."

2012 Gmc Sierra 2500: Reliability Data

Source: NHTSA — 39 complaints

Total Complaints

70,000mi

Median Mileage

AIR BAGS

Top Issue

Crash Reports

When Do Complaints Happen?

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

36,750 25th Percentile

70,000 Median Mileage

116,544 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS

UNKNOWN OR OTHER

FUEL/PROPULSION SYSTEM

ELECTRICAL SYSTEM

POWER TRAIN

STRUCTURE:BODY

ENGINE

WHEELS

STRUCTURE

TIRES:TREAD/BELT

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"I PURCHASED A NEW GMC SIERRA HD2500 SLE IN JUNE, IT CAME WITH 20" ALLOY WHEELS AND GOODYEAR WRANGLER SRA TIRES (LT265-60R20), LOAD RANGE E. WITHIN 3 DAYS, I HAD A SIDEWALL PUNCTURE ON ONE TIRE WHILE DRIVING ON OUR RANCH. THE TIRE HAD TO BE REPLACED. NOW, JUST YESTERDAY, SEP. 15, I HAD ANOTHER SIDEWA..."

"CHROME INTERIOR DOOR HANDLE. CHROME PLATING IS COMING OFF AND IS SHARP. CUT MY FINGER OPENING THE DOOR. RESEMBLES A PAPER CUT. TOOK VEHICLE TO DEALER AND THEY ARE REPLACING HANDLE. *TR"

"A MULTI-CAR COLLISION HAD OCCURRED AT A CONSIDERABLE SPEED. (SADLY A DRIVER HAD LOST A LIFE IN THIS ACCIDENT) THIS COLLISION ENTAILED A VERY LARGE COMMERCIAL TRUCK BEING HIT HEAD ON, BY A VEHICLE TRAVELING IN THE OPPOSITE DIRECTION.( THIS 2ND VEHICLE BEING A VAN) AFTER THIS SEVERE IMPACT WITH THE L..."

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