Complaints
64
Crashes
4
Fires
6
Injuries
3
Fatalities
—
Recalls
0
Worst 2003 Pontiac Bonneville Problems
Top 3 most-reported issues with average mileage at failure.
#18 complaints
Engine Problems
Avg mileage:119,086 mi
Fires:2
#27 complaints
Steering Defects
Avg mileage:71,500 mi
#36 complaints
Electrical Faults
Avg mileage:60,680 mi
Fires:1
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All Problems by Category
Every NHTSA complaint category for the 2003 Pontiac Bonneville.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Engine Problems | 8 | — | 2 | 119,086 mi | |
| Steering Defects | 7 | — | — | 71,500 mi | |
| Electrical Faults | 6 | — | 1 | 60,680 mi | |
| Transmission / Drivetrain | 5 | — | — | 174,000 mi | |
| Air Bags:Frontal | 2 | 1 | — | — | |
| Electrical System:Ignition | 2 | — | — | — | |
| Engine & Cooling | 2 | — | — | — | |
| Engine And Engine Cooling:Engine | 2 | — | — | — | |
| Gasoline Fuel System | 2 | — | — | — | |
| Fuel System | 2 | — | 1 | — | |
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 2 | — | — | — | |
| Airbags | 1 | 1 | — | — | |
| Electrical System:Wiring:Interior/Under Dash | 1 | — | — | — | |
| Electronic Stability Control | 1 | — | — | — | |
| Engine And Engine Cooling:Cooling System | 1 | — | 1 | — | |
| Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor | 1 | — | — | — | |
| Headlight/Taillight Failures | 1 | — | — | — | |
| Fuel System, Gasoline:Storage:Tank Assembly | 1 | — | — | — | |
| Automatic Transmission | 1 | — | — | — | |
| Seat Belt Issues | 1 | 1 | — | — | |
| Seats:Mid/Rear Assembly | 1 | 1 | — | — | |
| Steering:Column | 1 | — | — | — | |
| Steering:Rack And Pinion | 1 | — | — | — | |
| Steering:Rack And Pinion:Pinion Shaft | 1 | — | — | — | |
| Body Structure | 1 | — | — | — | |
| Tires:Sidewall | 1 | — | — | — | |
| Unintended Acceleration | 1 | — | — | — | |
| Visibility | 1 | — | — | — | |
| Visibility:Defroster/Defogger/Hvac System:Windshield:Electrical Heating Element | 1 | — | 1 | — |
Engine Problems
8
complaints
Crashes
—
Fires
2
Avg Miles
119,086
Steering Defects
7
complaints
Crashes
—
Fires
—
Avg Miles
71,500
Electrical Faults
6
complaints
Crashes
—
Fires
1
Avg Miles
60,680
Transmission / Drivetrain
5
complaints
Crashes
—
Fires
—
Avg Miles
174,000
Air Bags:Frontal
2
complaints
Crashes
1
Fires
—
Avg Miles
—
Electrical System:Ignition
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine & Cooling
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Engine
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Gasoline Fuel System
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Fuel System
2
complaints
Crashes
—
Fires
1
Avg Miles
—
Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip
2
complaints
Crashes
—
Fires
—
Avg Miles
—
Airbags
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Electrical System:Wiring:Interior/Under Dash
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Electronic Stability Control
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Engine And Engine Cooling:Cooling System
1
complaints
Crashes
—
Fires
1
Avg Miles
—
Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Headlight/Taillight Failures
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Fuel System, Gasoline:Storage:Tank Assembly
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Automatic Transmission
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Seat Belt Issues
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Seats:Mid/Rear Assembly
1
complaints
Crashes
1
Fires
—
Avg Miles
—
Steering:Column
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Steering:Rack And Pinion
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Steering:Rack And Pinion:Pinion Shaft
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Body Structure
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Tires:Sidewall
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Unintended Acceleration
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Visibility
1
complaints
Crashes
—
Fires
—
Avg Miles
—
Visibility:Defroster/Defogger/Hvac System:Windshield:Electrical Heating Element
1
complaints
Crashes
—
Fires
1
Avg Miles
—
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2003 Pontiac Bonneville. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Pontiac Bonneville Years
2003 Pontiac Bonneville — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2003 Pontiac Bonneville reliable?
Verdict: Below Average Complaints. The 2003 Pontiac Bonneville has 64 NHTSA complaints, 4 crash-related, and 0 recall campaigns. The most common issue is Engine Problems with 8 complaints. Source: NHTSA via VinItel.
What are common problems with the 2003 Pontiac Bonneville?
Top reported problems: Engine Problems (8 complaints, avg 119,086 mi); Steering Defects (7 complaints, avg 71,500 mi); Electrical Faults (6 complaints, avg 60,680 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2003 Pontiac Bonneville?
The weighted average mileage at time of complaint is about 103,356 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2003 Pontiac Bonneville?
NHTSA complaints for the 2003 Pontiac Bonneville include 4 crash-related reports, 6 fire reports, 3 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2003 Pontiac Bonneville have any recalls?
No NHTSA recall campaigns have been issued for the 2003 Pontiac Bonneville as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 2003 Pontiac Bonneville?
Fewer complaints than typical for this model. That's a good sign, but every individual car is different — the VIN still tells you what happened to this specific one.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Pontiac Bonneville reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2003 Pontiac Bonneville
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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