AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2004 Lincoln Ls
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $7,000–$12,000
The 2004 Lincoln LS faces significant reliability concerns, particularly with engine cooling, powertrain, and electrical issues. Complaint volumes indicate a higher likelihood of severe repair needs, impacting long-term ownership costs.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| engine cooling | 70,000–100,000 miles | $800–$1,200 | very common |
| transmission | 80,000–120,000 miles | $1,500–$2,500 | common |
| electrical system | 60,000–90,000 miles | $200–$400 | common |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake pad and rotor replacement
- Transmission fluid change
- Coolant system flush
- Tire rotation and balancing
- Air filter replacement
- Spark plug replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Engine overheating
- Transmission slipping
- Electrical malfunctions
- Airbag warning light
- Unresponsive speed control
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.