"How reliable is the 2014 Gmc Sierra?"

"Based on 132 NHTSA complaints, the 2014 Gmc Sierra has a median complaint mileage of 3032 miles. The most common issue is EXTERIOR LIGHTING."

"What are common problems with the 2014 Gmc Sierra?"

"The most frequently reported component in NHTSA complaints for the 2014 Gmc Sierra is EXTERIOR LIGHTING, accounting for a significant portion of the 132 total complaints filed."

2014 Gmc Sierra: Reliability Data

Source: NHTSA — 132 complaints

132

Total Complaints

3,032mi

Median Mileage

EXTERIOR LIGHTING

Top Issue

Crash Reports

When Do Complaints Happen?

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

312 25th Percentile

3,032 Median Mileage

9,875 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

EXTERIOR LIGHTING

POWER TRAIN

ELECTRICAL SYSTEM

ENGINE

STEERING

AIR BAGS

SUSPENSION

VISIBILITY/WIPER

STRUCTURE:BODY

EXTERIOR LIGHTING:HEADLIGHTS

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"I HAVE A 2014 GMC SIERRA SLT WITH POWER SEATS. THE DRIVER'S SEAT IS LOOSE (NOT THE SAME ISSUE THAT WAS RECENTLY RECALLED WITH MANUALLY RECLINING SEATS). WHEN YOU MAKE A SHARP TURN AT SPEED THE DRIVERS SEAT SLIDES LEFT OR RIGHT DEPENDING ON THE DIRECTION YOU ARE TURNING. THERE ARE NUMEROUS COMPLAIN..."

"I HAVE A 2014 GMC SIERRA 1500 CREW CAB. THE VEHICLE HAS A VIBRATION ABOVE 40 MPH SINCE I PURCHASED THE VEHICLE NEW IN JULY 2013. I HAVE HAD IT TO THE DEALERSHIP 6 TIMES, OF 4 TIRES ON THE VEHICLE THEY HAVE REPLACE 5 TIRES. THE VEHICLE STILL HAS THE VIBRATION AND AT HIGH SPEEDS, THE VIBRATION INCREAS..."

"2014 GMC SIERRA 1500 ROLLS BACKWARDS WHEN PARKED ON AN INCLINE AND THE TRANSMISSION IS IN PARK. *TR"

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