AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2018 Thor Motor Coach Vegas
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $8,500–$13,000
The 2018 Thor Motor Coach VEGAS faces multiple recalls, namely for its LPG system heat shield issue and incorrectly wired trailer lights. While owner complaints are low, these critical recall issues point to systemic oversight and increase the likelihood of costly repairs.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| LP tank heat shield | 10,000–30,000 miles | $200–$500 | very common |
| Trailer lighting system | 5,000–20,000 miles | $150–$400 | common |
| Fire extinguisher | 0–20,000 miles | $20–$70 | common |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 5,000 miles
- Coolant system check annually
- Brake inspection every 12,000 miles
- Transmission fluid change at 30,000 miles
- Air filter replacement every 15,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Erratic or non-functioning trailer lights
- Rattling noise near LP tank
- Poor windshield wiper performance
- Incorrect weight distribution label
Generated by gpt-4o on 8/23/2026. Cost ranges are conservative estimates that account for typical regional variation.