AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2000 Cadillac Deville
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $7,500–$13,000
The 2000 Cadillac DeVille suffers from consistent electrical and engine issues, highlighted by recalls affecting the ignition system and seat belts. Frequent complaints about the electrical system, engine cooling, and brakes suggest these are problematic areas. Maintenance can be expensive and safety components like seat belts and airbags have been problematic, impacting overall reliability and cost-effectiveness.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| electrical system | 50,000–100,000 miles | $300–$1,500 | very common |
| engine cooling | 80,000–120,000 miles | $400–$2,000 | common |
| service brakes | 60,000–100,000 miles | $300–$1,200 | common |
| seat belts | 70,000–110,000 miles | $100–$600 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 5,000 miles
- Brake fluid replacement every 30,000 miles
- Coolant flush every 50,000 miles
- Transmission fluid change every 60,000 miles
- Timing belt replacement at 100,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Difficulty starting engine
- Unresponsive brakes
- Airbag warning light
- Seatbelt buckle sticking
- Loss of engine power
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.