Verdict · NHTSA data
One of the years to avoid
With 183 complaints filed to NHTSA — about 8.3 times the median Bonneville year — the 1993 model ranks #5 of 36 Bonneville years for complaint volume. It lands on the years-to-avoid list. Complainants reported 10 injuries in total across these filings.
Brakes leads the complaint categories with 51 reports (28% of the total).
183
NHTSA complaints
1
Recalls
1
Investigations
17
Crash-involved
12
Fires reported
10
Injuries
0
Deaths
—
NCAP overall
| Component | Complaints | Share | vs prior year |
|---|---|---|---|
| Brakes | 51 | 28% | — flat |
| Electrical System | 23 | 13% | — flat |
| Engine | 20 | 11% | ▲ up |
| Transmission | 19 | 10% | ▲ up |
| Body & Structure | 11 | 6% | ▲ up |
| Speed Control | 9 | 5% | ▲ up |
| Airbags | 8 | 4% | — flat |
| Seat Belts | 8 | 4% | ▲ up |
| Lighting | 7 | 4% | ▲ up |
| Steering | 6 | 3% | ▲ up |
| Tires & Wheels | 5 | 3% | — flat |
| Visibility & Wipers | 5 | 3% | ▲ up |
| Fuel System | 5 | 3% | — flat |
| Other | 3 | 2% | ▲ up |
| Latches & Locks | 2 | 1% | — flat |
| Seats | 1 | 1% | ▼ down |
1 NHTSA recall campaign on file. Recall repairs are free at franchised dealers.
Defect
VEHICLE DESCRIPTION: PASSENGER VEHICLES MANUFACTURED FROM AUGUST 1991 THROUGH JULY 1995. THE TRANSMISSION OIL COOLER LINE CAN SEPARATE WHEN THE VEHICLE IS OPERATED IN LOW TEMPERATURES IN COMBINATION WITH HIGH TRANSMISSION LOADS.
Consequence
VEHICLE FIRES CAN OCCUR DUE TO THE SPILLAGE OF TRANSMISSION FLUID.
Remedy
DEALERS WILL REPLACE THE TRANSMISSION OIL COOLER LINES.
Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.
“MASTER CYLINDER UNBOLTED FROM THE WALL BREAKING THE VACUUM, RESULTING IN BRAKE LOST, REPLACE BOOSTER, MASTER CYLINDER AND SOME WIRE. TT”
“PERFECT WORIKING CONDITION; HALF AN HOUR AFTER BEING PARKED THE VEHICLE CAUGHT ON FIRE UNDER THE HOOD. *AK CONSUMER STATES RECALL 95-C-68 WAS COMPLETED IN MAY OF 1996 REGARDING THE REPLACEMENT OF A COOLER HOSE, CONSUMER STATES THIS COULD HAVE CAUSED AN ENGINE FIRE. *SLC”
“PERFECT WORIKING CONDITION; HALF AN HOUR AFTER BEING PARKED THE VEHICLE CAUGHT ON FIRE UNDER THE HOOD. *AK CONSUMER STATES RECALL 95-C-68 WAS COMPLETED IN MAY OF 1996 REGARDING THE REPLACEMENT OF A COOLER HOSE, CONSUMER STATES THIS COULD HAVE CAUSED AN ENGINE FIRE. *SLC”
“WHILE DRIVING AT 25 MPH SMELLED SMOKE COMING OUT OF THE FRONT VENTS AND FIRE WAS COMING OUT OF THE HOOD. CONSUMER WAS ABLE TO PUT OUT THE FIRE WHICH STARTED FROM TRANSMISSION COOLING UNIT AND LINES. *AK”
“THESE SITUATIONS POSED SAFETY HAZARDS TO MY PREGNANT WIFE. BOTH LOCKS FAILED WITHIN THE SAME MONTH, LOCKING HER IN THE CAR IN ONE INSTANCE AND PREVENTING ACCESS TO THE VEHICLE IN ANOTHER. WHAT IF SHE NEEDED TO GET OUT OF THE CAR? WHEN THE INTERIOR DASHBOARD LIGHT FAILED, SHE WAS DRIVING AT NIGHT.…”
NHTSA data argues against it: 183 complaints put the 1993 model at #5 of 36 Bonneville years. It is one of the Bonneville years to avoid.
According to NHTSA complaint data, the leading problem areas are brakes (51 complaints), electrical system (23 complaints), engine (20 complaints).
Yes — NHTSA lists 1 recall campaign affecting the 1993 Pontiac Bonneville. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.
NHTSA opened one investigation into this model year; all are now closed.
Based on complaint rates and open investigations, the Bonneville years to avoid are 1998, 1995, 2000, 1997, 1993, 1996, 2001, 1999, 1992, 1994, 2002, 2003, 1990, 2004, 2005, 1989. The cleanest record among Bonneville years belongs to 1983.
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.