AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 1997 Cadillac Deville
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $7,500–$12,000
The 1997 Cadillac Deville has notable issues particularly with its braking system and engine, supported by multiple NHTSA recalls and owner complaints. Fuel system problems, including leaks, also contribute to its below-average reliability.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| brake system | 50,000–80,000 miles | $300–$800 | very common |
| fuel system | 60,000–90,000 miles | $400–$1,000 | common |
| engine cooling | 70,000–100,000 miles | $500–$1,200 | common |
| electrical system | 80,000–110,000 miles | $200–$600 | occasional |
| steering components | 60,000–100,000 miles | $300–$700 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 5,000 miles
- Brake fluid replacement every 20,000 miles
- Coolant system flush every 30,000 miles
- Transmission fluid change every 40,000 miles
- Inspect belts and hoses annually
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Brake pedal feels spongy
- Strong smell of gasoline
- Frequent engine overheating
- Dashboard electrical warnings
- Steering feels loose or unresponsive
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.