AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2021 Keystone Montana
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $2,500–$4,500
The 2021 Keystone Montana has limited but notable issues in tire integrity and appliance reliability. Complaints are minimal, indicating that most owners experience a generally satisfactory ownership experience. Recalls suggest vigilance is needed on certain equipment and tires.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| Oven/Range Circuit Board | Not applicable | $100–$300 | common |
| Tires | 5,000–20,000 miles | $400–$800 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Inspect and seal roof annually
- Check tire pressure monthly
- Lubricate slide-outs
- Appliance servicing every 2 years
- Axle and suspension inspection
- HVAC system check annually
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Appliance overheating
- Tire tread irregularities
- Unusual tire wear
- Door frame misalignments
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.