AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2021 Keystone Cougar
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $2,000–$4,500
The 2021 Keystone Cougar shows an average reliability profile. Recalls mainly involve structural and electrical issues, along with tire clearance problems. With fewer complaints, these issues can be resolved with proper maintenance.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| Tire clearance | 5,000–25,000 miles | $100–$300 | common |
| Propane regulator | 5,000–15,000 miles | $50–$150 | occasional |
| Solar inverter wiring | 10,000–20,000 miles | $150–$400 | occasional |
| Frame support | 20,000–40,000 miles | $500–$1,200 | rare |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Check and rotate tires regularly
- Inspect propane system annually
- Test electrical systems twice yearly
- Inspect frame and supports yearly
- Winterize plumbing systems
- Service brakes annually
- Check and seal roof annually
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Uneven tire wear
- Propane smell
- Flickering or shorting electrical systems
- Frame creaking noises
- Cooktop flame issues
Generated by gpt-4o on 7/25/2026. Cost ranges are conservative estimates that account for typical regional variation.