1993 Pontiac Grand Prix: common problems

Owners of the 1993 Pontiac Grand Prix filed 131 complaints with NHTSA, most often about service brakes and electrical system. Details by component below, with sources.

Key figures

Owner complaints: 131
involving a crash: 11

What fails most often

1 Service brakes 44% of all complaints
2 Electrical system 24% of all complaints
3 Engine and cooling 8% of all complaints
4 Exterior lighting 8% of all complaints
5 Steering 7% of all complaints
6 Powertrain 5% of all complaints
7 Seats 4% of all complaints
8 Seat belts 3% of all complaints

Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Service brakes: 57 complaints (44% of all), 6 of them with a crash reported by the owner.
Electrical system: 32 complaints (24% of all), 1 of them with a crash reported by the owner.
Engine and cooling: 10 complaints (8% of all), 2 of them with a crash reported by the owner.
Exterior lighting: 10 complaints (8% of all).
Steering: 9 complaints (7% of all), 1 of them with a crash reported by the owner.

Engines and transmissions

US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.

3.1 L · petrol · 6 cyl
3.4 L · petrol · 6 cylnamed in 1 complaints
automatic, 3-speed
automatic, 4-speed
manual, 5-speed

Drive: FWD

Symptoms owners describe

How many of the 131 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

smoke, burning smell, fire35 · 27%
brake failure8 · 6%
rust, corrosion8 · 6%
knocking, grinding or other noise5 · 4%
seat belts4 · 3%
steering or power steering problems4 · 3%
vibration3 · 2%
door locks, latches, handles2 · 2%
overheating, coolant loss2 · 2%
tires: bulges, blowouts2 · 2%

Components owners complain about

Component	Owner complaints	involving a crash
Service brakes	57	6
Electrical system	32	1
Engine and cooling	10	2
Exterior lighting	10	0
Steering	9	1
Powertrain	7	0
Seats	5	2
Seat belts	4	3
Structure	3	1
Suspension	3	0
Latches, locks, linkages	2	1
Tires	2	0
Visibility	2	0
Wheels	2	0

What owners report

Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.

Seat belt mounted to the door failed to restrain my son in the vehicle when he got into an accident. The door opened caused for him to be ejected and my son did not survive the accident. The door linkage got pushed down when the vehicle cab crushed down kinking the door between the latch and outside door handle.
Seat belts · crash · 2007-05-03 · NHTSA complaint #10189665
Several problems at different times.olt fell out of rear of engine cradle causing loss of steering. Went into the ditch and could have been serious if it had happened at a different location.
Service brakes · crash · 2004-01-14 · NHTSA complaint #10053179
I am shocked at the problems I have encountered with my grand prix, brake failure.
Service brakes · crash · 2002-04-04 · NHTSA complaint #760046
Rear brake calipers keep failing , they get too hot and melt the hub cap. Rear brake calipers have been completely replaced 3 times, but defect keeps reoccurring. Brakes failurecaused an accident.
Service brakes · crash · 2000-05-17 · NHTSA complaint #862023
While driving 20-30mph vehicle was involved in a frontal collision, and seat belt did not did retract, resulting in minor injuries. Manufacturer has been notified.
Seat belts · crash · 1999-07-15 · NHTSA complaint #842440
The vehicle was rear ended by another vehicle and the driver's side seat collapsed; and the back of the seat went in the back seat of the car, causing injuries to the driver.
Seats · crash · 1998-01-27 · NHTSA complaint #820280
Front cradle bolt came off while vehicle was running, causing power steering to become inoperative, resulting in consumer running into a ditch.
Engine and cooling · crash · 1998-01-08 · NHTSA complaint #820365
Drivers side seat belt does not restrain properly. Please describe in more detail. Tt
Seat belts · crash · 1995-04-03 · NHTSA complaint #962947

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

199517
199625
19977
199810
199920
200015
200117
20025
20035
20043
20051
20074
20081
20091

Comparison

By complaint count this model year ranks 2,943 of 36,656 model years in the NHTSA data (top 8% most complained about).

On average one model year of the Grand Prix has 187 complaints (29 years in the data). This year has 131, below average.

What to check before buying

Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.

Questions and answers

What are the most common problems with the 1993 Pontiac Grand Prix?

Owner complaints to NHTSA most often mention: service brakes, electrical system, engine and cooling. Total complaints: 131. The most frequent symptoms in complaint texts: smoke, burning smell, fire (27%), brake failure (6%), rust, corrosion (6%).

How many service bulletins (TSB) were issued for the 1993 Pontiac Grand Prix?

NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.

Should I buy a 1993 Pontiac Grand Prix from a US auction?

Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.

Other 1993 models

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.