AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 1997 Buick Lesabre
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $5,000–$9,000
The 1997 Buick LeSabre has significant engine and fuel system issues, as supported by numerous complaints. These problems, along with electrical system woes, suggest reliability concerns.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| engine cooling system | 60,000–90,000 miles | $600–$1,000 | very common |
| electrical system | 50,000–80,000 miles | $400–$800 | common |
| fuel injection system | 70,000–100,000 miles | $500–$900 | common |
| power train | 80,000–110,000 miles | $700–$1,200 | occasional |
| brake system | 60,000–90,000 miles | $300–$600 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake fluid replacement
- Transmission fluid change
- Coolant flush
- Spark plug replacement
- Timing belt inspection
- Air filter replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Engine overheating
- Frequent engine misfires
- Unusual fuel consumption
- Electrical shorts
- Transmission slipping
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.