AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2021 Forest River Vengeance
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $3,500–$6,500
The 2021 Forest River Vengeance experiences moderate issues, primarily with its LPG system and stabilizers. While recalls address critical safety concerns, the limited owner complaints suggest rare but noticeable problems. Maintenance will be key to ensuring reliability over time.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| LPG system | 5,000–15,000 miles | $200–$500 | common |
| Stabilizer jacks | 10,000–30,000 miles | $300–$700 | occasional |
| Tires | 15,000–25,000 miles | $100–$300 | rare |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Inspect LPG system annually
- Service stabilizer jacks bi-annually
- Rotate tires every 7,500 miles
- Inspect brakes annually
- Check electrical connections annually
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Floor punctures near stabilizers
- Unstable jacks under load
- Persistent LPG smell
- Uneven tire wear patterns
Generated by gpt-4o on 8/23/2026. Cost ranges are conservative estimates that account for typical regional variation.