1990 Gmc Sierra: Reliability Data

Source: NHTSA — 30 complaints
30
Total Complaints
55,000mi
Median Mileage
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
Top Issue
1
Crash Reports

When Do Complaints Happen?

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

55,000 25th Percentile
55,000 Median Mileage
55,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
7
SERVICE BRAKES, HYDRAULIC
2
POWER TRAIN:AUTOMATIC TRANSMISSION
2
STRUCTURE:FRAME AND MEMBERS
1
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS
1
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
1
SUSPENSION:FRONT:WHEEL BEARING
1
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
1
SEAT BELTS:FRONT:BUCKLE ASSEMBLY
1
SEATS
1

Severity Assessment

1
Crashes
12
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"MASTER CYLINDER FAILED."
"CRACK IN FRONT SUPPORT MAIN FRAME."
"OWNER HAS ABS BRAKES, HE STATES THAT HE HAS A LOW BRAKE PEDAL AND THAT HE HAS A DUMP VALVE LEAK WITHIN THE HYDRAULICS. *AK"

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