AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2009 Gmc Sierra 3500
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $7,000–$11,000
The 2009 GMC Sierra 3500 has an average reliability rating due to moderate recall and complaint counts predominantly related to the airbag system and electrical concerns. Despite these issues, overall failure frequency is not notably high, but ongoing vigilance is recommended.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| airbag inflator | 30,000–70,000 miles | $200–$600 | common |
| electrical system | 50,000–90,000 miles | $150–$500 | occasional |
| power train | 80,000–120,000 miles | $800–$1,500 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake fluid replacement
- Coolant system maintenance
- Transmission fluid change
- Fuel filter replacement
- Tire rotations
- Spark plug replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Airbag warning light
- Dimming or flickering lights
- Transmission slippage or noise
- Overheating
- Battery draining quickly
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.