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
steering70,000–100,000 miles$400–$900very common
service brakes50,000–80,000 miles$300–$700common
engine80,000–110,000 miles$700–$1,500common
electrical system60,000–90,000 miles$200–$800occasional
power train80,000–120,000 miles$500–$1,700occasional

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.