"How reliable is the 1991 Chevrolet Blazer?"

"Based on 267 NHTSA complaints, the 1991 Chevrolet Blazer has a median complaint mileage of 110000 miles. The most common issue is Antilock/Traction Control/Electronic Limited Slip."

"What are common problems with the 1991 Chevrolet Blazer?"

"The most frequently reported component in NHTSA complaints for the 1991 Chevrolet Blazer is Antilock/Traction Control/Electronic Limited Slip, accounting for a significant portion of the 267 total complaints filed."

1991 Chevrolet Blazer: Reliability Data

Source: NHTSA — 267 complaints

267

Total Complaints

110,000mi

Median Mileage

Antilock/Traction Control/Electronic Limited Slip

Top Issue

Crash Reports

When Do Complaints Happen?

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

80,000 25th Percentile

110,000 Median Mileage

140,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Antilock/Traction Control/Electronic Limited Slip

114

Buckle Assembly

Gasoline

Vehicle Speed Control

Foundation Components

Retractor

Steering Wheel/Handle Bar

Master Cylinder

Interior/Under Dash

Lugs/Nuts/Bolts/Studs

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"ANTI LOCK BRAKES FAILED CAUSING AN ACCCIDENT. TT"

"THE REAR AXLE SEALS ARE LEAKING. TT"

"WAS DRIVING THE CAR WITH RADIO ON CAR START SMOKING TOOK BACK TO THE DEALER THEY SAID IT CAME FROM THE CIGARETTE LIGHTER AND THE ABS ANTI-LOCK BRAKE FAIL. TT"

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.

PA: 31 CA: 26 OH: 17 NY: 17 NJ: 14 WA: 12 MI: 12 FL: 11 WI: 10 VA: 10

Who Files Complaints?

20.6%

Original Owners

79.4%

Second+ Owners

Chevrolet Blazer — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1990	42	-	Antilock/Traction Control/Electronic Limited Slip	4
1992	337	87,860	Antilock/Traction Control/Electronic Limited Slip	57
1993	616	115,000	Antilock/Traction Control/Electronic Limited Slip	81
1994	774	118,000	Antilock/Traction Control/Electronic Limited Slip	114
1995	1707	96,000	Antilock/Traction Control/Electronic Limited Slip	201
1996	1579	84,500	Antilock/Traction Control/Electronic Limited Slip	196
1997	1098	83,037	Antilock/Traction Control/Electronic Limited Slip	72
1998	1022	70,000	Windshield Wiper/Washer	58
1999	612	72,691	Antilock/Traction Control/Electronic Limited Slip	53
2000	884	62,229	Automatic Transmission	67
2001	464	58,000	Antilock/Traction Control/Electronic Limited Slip	43
2002	301	61,000	Switch	20
2003	103	43,800	Air Bags	19
2004	67	34,831	Electrical System	6
2006	20	75,200	Fuel System, Gasoline	2
2019	272	26,700	Power Train	5
2020	294	38,000	Power Train	9
2021	171	34,980	Electrical System	5
2022	56	-	Electrical System	2
2023	47	8,500	Engine	7
2024	52	29,000	Electrical System	7
2025	28	-	Unknown Or Other	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