2005 Pontiac Bonneville problems
Verdict · NHTSA data
One of the years to avoid
With 37 complaints filed to NHTSA — about 1.7 times the median Bonneville year — the 2005 model ranks #15 of 36 Bonneville years for complaint volume. It lands on the years-to-avoid list.
Airbags leads the complaint categories with 12 reports (32% of the total).
37
NHTSA complaints
0
Recalls
0
Investigations
5
Crash-involved
1
Fires reported
8
Injuries
0
Deaths
—
NCAP overall
How does 2005 compare to other Bonneville years?
What are the most common 2005 Pontiac Bonneville problems?
| Component | Complaints | Share | vs prior year |
|---|---|---|---|
| Airbags | 12 | 32% | ▲ up |
| Electrical System | 9 | 24% | — flat |
| Steering | 5 | 14% | ▼ down |
| Engine | 5 | 14% | ▲ up |
| Other | 2 | 5% | — flat |
| Transmission | 2 | 5% | ▼ down |
| Suspension | 1 | 3% | — flat |
| Tires & Wheels | 1 | 3% | ▼ down |
Consumer complaints filed with NHTSA
Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.
“TL* THE CONTACT OWNS A 2005 PONTIAC BONNEVILLE. THE CONTACT STATED THAT THE VEHICLE SUDDENLY LOSS POWER AND STALLED. THE CONTACT STATED ANOTHER VEHICLE CRASHED INTO THE REAR OF THE VEHICLE AND THE AIRBAGS DID NOT DEPLOY. A POLICE REPORT WAS FILED. THE CONTACT SUFFERED MINOR INJURIES AND WAS…”
“STARTED UP MY CAR AND THE AIR BAG LIGHT WENT ON AND WON'T GO OFF. ALSO HAVING PROBLEMS WITH ELECTRICAL LIGHTS IN THE DASH. PART OF THE LIGHTS FOR THE SPEEDOMETER/AIR-CONDITIONER BUTTONS ARE ONLY 1/2 WORKING AND PART OF THE LIGHTS ON THE RADIO DON'T LIGHT UP EITHER. AFTER READING SEVERAL OF THESE IT…”
“TL*THE CONTACT OWNS A 2005 PONTIAC BONNEVILLE. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 65 MPH THE ENGINE STARTED TO LOSE POWER. WHEN THE VEHICLE STALLED IT WOULD NOT RESTART AND SMOKE STARTED WAS COMING FROM THE ENGINE. THE VEHICLE WAS TOWED TO A DEALER WHO WAS UNABLE TO DIAGNOSE THE…”
“INTERMEDIATE SHAFT WAS REPLACED BY THE DEALER AT APPROXIMATELY 32000 MILES AND NOW I HAVE THE SAME SYMPTOMS AGAIN, CLUNK IN THE FRONT OF THE VEHICLE WHEN TURNING. THERE IS APPROXIMATELY 40000 MILES ON THE VEHICLE NOW. UNFORTUNATELY THERE IS NO WARRANTY LEFT SO I REALLY CAN'T DRIVE THE CAR FOR FEAR…”
“TL* THE CONTACT OWNS A 2005 PONTIAC BONNEVILLE. THE CONTACT STATED THAT THE VEHICLE SUDDENLY LOSS POWER AND STALLED. THE CONTACT STATED ANOTHER VEHICLE CRASHED INTO THE REAR OF THE VEHICLE AND THE AIRBAGS DID NOT DEPLOY. A POLICE REPORT WAS FILED. THE CONTACT SUFFERED MINOR INJURIES AND WAS…”
2005 Pontiac Bonneville — common questions
Is the 2005 Pontiac Bonneville reliable?
NHTSA data argues against it: 37 complaints put the 2005 model at #15 of 36 Bonneville years. It is one of the Bonneville years to avoid.
What are the most common 2005 Bonneville problems?
According to NHTSA complaint data, the leading problem areas are airbags (12 complaints), electrical system (9 complaints), engine (5 complaints).
Does the 2005 Pontiac Bonneville have recalls?
No. NHTSA lists no recall campaigns for the 2005 Pontiac Bonneville.
Which Pontiac Bonneville years should you avoid?
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.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.