"How reliable is the 2005 Gmc Sierra 2500?"

"Based on 159 NHTSA complaints, the 2005 Gmc Sierra 2500 has a median complaint mileage of 58483 miles. The most common issue is Electrical System."

"What are common problems with the 2005 Gmc Sierra 2500?"

"The most frequently reported component in NHTSA complaints for the 2005 Gmc Sierra 2500 is Electrical System, accounting for a significant portion of the 159 total complaints filed."

2005 Gmc Sierra 2500: Reliability Data

Source: NHTSA — 159 complaints

159

Total Complaints

58,483mi

Median Mileage

Electrical System

Top Issue

Crash Reports

When Do Complaints Happen?

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

39,293 25th Percentile

58,483 Median Mileage

86,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Electrical System

Service Brakes

Service Brakes, Hydraulic

Steering

Instrument Cluster/Panel

Wheels

Exhaust System

Power Train

Engine

Diesel

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"DT: THE POWER STEERING WILL GO OUT ON THE HIGHWAY AT HIGH SPEEDS. THE DEALER DOES KNOW THAT IT IS GOING OUT AT LOW SPEEDS. THE VEHICLE HAS BEEN TO THE DEALER FIVE TIMES, THEY BROUGHT IN A FIELD ENGINEER. THEY OFFERED AN INCENTIVE TO PURCHASE A NEW VEHICLE. THEY COULD NOT DUPLICATE THE PROBLEM AT..."

"WHILE TRAVELING WEST OF DENVER, COLORADO MY 2005 GMC SIERRA 2500HD EQUIPPED WITH THE DURAMAX DIESEL OVERHEATED TO THE POINT OF THE VEHICLE SHUTTING DOWN. THIS HAPPENED ON A STRETCH OF HIGHWAY WHERE THERE WAS NO SHOULDER TO PULL OFF ON RESULTING IN AN EXTREMELY HAZARDOUS CONDITION. I HAVE DONE EXTENS..."

"CRASH, INJURY, FRONTAL IMPACT, BRAKES DID NOT RESPOND QUICKLY ENOUGH. AIR BAGS DID NOT DEPLOY. *JB"

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

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Electrical System 31 complaints

25th: 51,000 mi Median: 75,000 mi 75th: 107,000 mi

Service Brakes 19 complaints

25th: 45,500 mi Median: 58,196 mi 75th: 97,500 mi

Service Brakes, Hydraulic 15 complaints

25th: 35,463 mi Median: 40,000 mi 75th: 51,647 mi

Steering 14 complaints

25th: 50,970 mi Median: 100,000 mi 75th: 117,985 mi

Instrument Cluster/Panel 11 complaints

25th: 54,625 mi Median: 61,927 mi 75th: 70,750 mi

Where Are Complaints Coming From?

Top states by complaint count.

OH: 10 MI: 10 TX: 9 CT: 8 NY: 8 FL: 8 CA: 8 NJ: 7 MD: 7 IN: 6

Who Files Complaints?

15.7%

Original Owners

84.3%

Second+ Owners

Gmc Sierra 2500 — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1999	42	100,000	Service Brakes	3
2000	62	91,500	Service Brakes, Hydraulic	4
2001	171	66,500	Service Brakes, Hydraulic	19
2002	164	85,000	Service Brakes	13
2003	193	76,000	Service Brakes, Hydraulic	8
2004	175	60,000	Service Brakes	4
2006	78	42,000	Service Brakes	4
2007	98	70,000	Air Bags	5
2008	77	71,800	Air Bags	6
2009	37	39,200	Electrical System	1
2011	81	57,000	Air Bags	2
2012	39	70,000	Air Bags	1
2013	57	60,000	Unknown Or Other	2
2014	39	39,500	Unknown Or Other	4
2015	100	34,289	Exterior Lighting	7
2016	75	25,000	Steering	2
2017	50	18,060	Service Brakes	4
2018	43	10,000	Engine	0
2019	38	25,458	Electrical System	0
2020	106	20,450	Power Train	1
2021	56	51,248	Power Train	6
2022	48	15,167	Electrical System	1
2023	34	33,000	Power Train	1
2024	118	7,000	Electrical System	3
2025	27	-	Steering	3

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