"How reliable is the 2023 Gmc Sierra 3500?"

"Based on 34 NHTSA complaints, the 2023 Gmc Sierra 3500 has a median complaint mileage of 79000 miles. The most common issue is Power Train."

"What are common problems with the 2023 Gmc Sierra 3500?"

"The most frequently reported component in NHTSA complaints for the 2023 Gmc Sierra 3500 is Power Train, accounting for a significant portion of the 34 total complaints filed."

2023 Gmc Sierra 3500: Reliability Data

Source: NHTSA — 34 complaints

Total Complaints

79,000mi

Median Mileage

Power Train

Top Issue

Crash Reports

When Do Complaints Happen?

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

33,800 25th Percentile

79,000 Median Mileage

79,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Power Train

Electrical System

Adaptive Cruise Control

Unknown Or Other

Assist

Air Bags

Service Brakes

Latches/Locks/Linkages

Pressure Monitoring And Regulating Systems

Engine And Engine Cooling

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"I was in an accident and was hit in the right front side of my truck. The other vehicle was believed to be going around 50 mph and I had just rolled thru a stop sign. The other vehicle that hit me had the air bags deploy, but my airbags did not deploy. This is very concerning considering there wa..."

"On March 22, 2023, my wife and I purchased a new 2023 GMC Sierra 3500 Denali from Coast Buick GMC. Before purchasing, we asked the salesman if it had adaptive cruise control and lane keep assist, and he said yes and showed us the buttons and explained how they worked. We purchased the truck because ..."

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

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

Where Are Complaints Coming From?

Top states by complaint count.

CA: 6 WA: 4 TX: 4 IN: 3 GA: 3 FL: 3 CO: 2 OR: 2 NV: 2 DE: 1

Gmc Sierra 3500 — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1999	25	60,000	Antilock/Traction Control/Electronic Limited Slip	1
2000	30	57,007	Service Brakes, Hydraulic	3
2001	44	61,580	Antilock/Traction Control/Electronic Limited Slip	3
2002	29	101,000	Service Brakes	3
2004	29	87,000	Service Brakes	0
2005	29	46,000	Service Brakes	0
2008	26	70,500	Air Bags	0
2011	24	97,500	Air Bags	0
2015	40	43,000	Exterior Lighting	1
2016	27	63,750	Service Brakes	0
2020	72	28,700	Power Train	6
2021	27	-	Power Train	0
2022	37	40,000	Electrical System	6
2024	58	20,000	Power Train	0

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