Reliability & 5-year cost of ownership — 2003 Pontiac Bonneville
NHTSA data on file today
The 2003 Pontiac Bonneville has 2 NHTSA recall campaigns and 55 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #03V238000 GM/FUEL TANK PRESSURE SENSOR NHTSA notice
- NHTSA #02V222000 GM/AIR BAG INFLATOR NHTSA notice
Most-cited components in owner complaints
- Electrical System 10 complaints
- Steering 10 complaints
- Engine 9 complaints
- Engine and Engine Cooling 7 complaints
- Power Train 6 complaints
- Unknown or Other 5 complaints
Of the 55 complaints on file, 3 report a crash and 5 a fire; across all 55 complaints, owners report 2 injuries (owner-reported, not verified by NHTSA).
Average
Estimated 5-year repair + maintenance cost: $7,000–$11,000AI estimate — not from NHTSA data
The 2003 Pontiac Bonneville has an average reliability rating due to issues with the steering, electrical components, and engine, alongside airbag and fuel system recalls. The vehicle's problems are common but not prevalent enough to lead to a below-average rating.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| steering system | 80,000–110,000 miles | $250–$700 | common |
| electrical system | 70,000–100,000 miles | $300–$800 | common |
| engine | 90,000–120,000 miles | $1,000–$2,500 | occasional |
| airbags | 60,000–90,000 miles | $400–$1,000 | occasional |
| fuel system | 85,000–115,000 miles | $200–$600 | occasional |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change
- Brake fluid replacement
- Transmission fluid change
- Coolant system service
- Timing belt inspection
- Spark plug replacement
- Air filter replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Steering tightness or noise
- Dim or flickering lights
- Rough engine idle
- Unusual fuel smells
- Airbag warning light on
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2003 Pontiac Bonneville at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.