1990 Pontiac Grand Prix: Reliability Data

Source: NHTSA — 249 complaints
249
Total Complaints
89,993mi
Median Mileage
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
Top Issue
17
Crash Reports

When Do Complaints Happen?

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

70,287 25th Percentile
89,993 Median Mileage
260,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
24
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC
23
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
18
STRUCTURE
14
STRUCTURE:FRAME AND MEMBERS
11
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS
10
ENGINE AND ENGINE COOLING:ENGINE
10
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR
9
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM
9
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
7

Severity Assessment

17
Crashes
2
Fires
20
Injuries
0
Deaths

Sample Complaint Reports

"BRAKE FAILURE, ROTORS REPLACED SEVERAL TIMES. TT"
"ABS BRAKES/CALIPERS CAUSES THE WHEEL TO TURN TOO SLOWLY. PLEASE GIVE MORE DETAIL. TT"
"RECALL RELATED, 90V185000 SWITCH LIGHTING, WAS PERFORM BY DEALERSHIP, PROBLEM. 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