1993 Pontiac Grand Prix: Reliability Data

Source: NHTSA — 185 complaints
185
Total Complaints
115,000mi
Median Mileage
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
Top Issue
19
Crash Reports

When Do Complaints Happen?

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

115,000 25th Percentile
115,000 Median Mileage
150,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
16
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS
13
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
11
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC
10
ELECTRICAL SYSTEM:IGNITION
7
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR
7
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
6
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
6
POWER TRAIN:AUTOMATIC TRANSMISSION
5
ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH
5

Severity Assessment

19
Crashes
8
Fires
14
Injuries
2
Deaths

Sample Complaint Reports

"EXCESSIVE WEAR AND REPLACEMENT OF BRAKES PREMATURELY. REAR CALIPER REPLACED DUE TO CALIPER LOCKING ALSO CAUSING REAR BRAKES TO WEAR. TT"
"THE ABS BRAKING SYSTEM DOES NOT SEEM TO WORK PROPERLY IN SUDDEN STOP SITUATIONS. TT"
"DRIVERS SIDE SEAT BELT DOES NOT RESTRAIN PROPERLY. PLEASE DESCRIBE IN MORE DETAIL. TT"

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