AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2006 Pontiac Montana
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $4,500–$7,500
The 2006 Pontiac Montana has a moderate number of complaints across multiple systems, with a key recall related to suspension welding. Electrical and suspension issues are the most common concerns. While these issues could lead to increased costs, the overall reliability is typical for its class and age.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| electrical system | 60,000–100,000 miles | $150–$500 | very common |
| rear suspension | 70,000–90,000 miles | $300–$800 | common |
| service brakes | 70,000–110,000 miles | $200–$700 | common |
| engine cooling | 80,000–120,000 miles | $250–$600 | occasional |
| stability control | 90,000–130,000 miles | $200–$600 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 5,000 miles
- Brake pad replacement every 40,000 miles
- Coolant flush every 50,000 miles
- Transmission service every 60,000 miles
- Tire rotation every 7,500 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Warning lights for ESC system
- Vibration or noise from suspension
- Intermittent electrical failures
Generated by gpt-4o on 8/23/2026. Cost ranges are conservative estimates that account for typical regional variation.