"How reliable is the 1998 Pontiac Grand Prix?"

"Based on 617 NHTSA complaints, the 1998 Pontiac Grand Prix has a median complaint mileage of 95000 miles. The most common issue is EXTERIOR LIGHTING:HEADLIGHTS."

"What are common problems with the 1998 Pontiac Grand Prix?"

"The most frequently reported component in NHTSA complaints for the 1998 Pontiac Grand Prix is EXTERIOR LIGHTING:HEADLIGHTS, accounting for a significant portion of the 617 total complaints filed."

1998 Pontiac Grand Prix: Reliability Data

Source: NHTSA — 617 complaints

617

Total Complaints

95,000mi

Median Mileage

EXTERIOR LIGHTING:HEADLIGHTS

Top Issue

Crash Reports

When Do Complaints Happen?

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

62,750 25th Percentile

95,000 Median Mileage

131,750 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

EXTERIOR LIGHTING:HEADLIGHTS

STEERING:RACK AND PINION

ENGINE AND ENGINE COOLING

ENGINE

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

ELECTRICAL SYSTEM

POWER TRAIN:AUTOMATIC TRANSMISSION

STEERING

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"WHILE AT A STOP LIGHT VEHICLE STALLS AND THIS IS AN INTERMITTENT PROBLEM. TOOK TO DEALER AND THEY STILL HAVE NOT FIXED THE PROBLEM, VEHICLE STILL STALLS. *AK"

"WHILE MAKING A LEFT TURN THE VEHICLE CUT OFF, CAUSING STEERING WHEEL TO LOCK UP WHICH RESULTED IN SUSPENSION DAMAGE. OWNER RECEIVED NO INDICATION THAT THE VEHICLE WOULD CUT OFF. THE DEALER HAS BEEN NOTIFIED. *AK"

"THERE IS A CONTINUOUS HISS OF AIR NOISE COMING FROM DRIVER'S SIDE EXTERIOR MIRROR AREA. *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