AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 1998 Buick Riviera
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $4,500–$9,500
The 1998 Buick Riviera shows a higher-than-average number of complaints related to steering and brakes, indicating potential reliability concerns. Frequent powertrain and electrical issues further weaken its dependability.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| steering | 70,000–100,000 miles | $400–$900 | very common |
| service brakes | 50,000–80,000 miles | $300–$700 | common |
| engine | 80,000–110,000 miles | $700–$1,500 | common |
| electrical system | 60,000–90,000 miles | $200–$800 | occasional |
| power train | 80,000–120,000 miles | $500–$1,700 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 5,000 miles
- Brake fluid replacement every 2 years
- Transmission fluid change every 60,000 miles
- Coolant flush every 3 years
- Tire rotation every 7,000 miles
- Replace air filter annually
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Steering difficulty or noise
- Brake pedal feels soft
- Check engine light
- Delayed transmission shifts
- Electrical system malfunctions
Generated by gpt-4o on 8/22/2026. Cost ranges are conservative estimates that account for typical regional variation.