AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2012 Western Star 4900
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $25,000–$35,000
The 2012 Western Star 4900 presents a moderate reliability profile with some critical recalls mostly related to braking and the engine. However, given the spread of issues across several essential systems without overwhelming occurrence rates, the vehicle fares as average in reliability.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| tie rod assembly | 60,000–80,000 miles | $1,500–$2,000 | common |
| brake lines | 50,000–70,000 miles | $500–$1,000 | common |
| fuel pressure line | 40,000–60,000 miles | $1,000–$1,500 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake inspections every year
- Tie rod checks
- Engine coolant replacement
- Fuel system inspections
- Air filter replacement
- Transmission fluid change
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Vibrations during braking
- Chafed brake hoses
- Engine shutdown warnings
- Fuel leaks
- Brake light failures
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.