AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 1998 Lexus Gs
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $4,000–$7,000
The 1998 Lexus GS exhibits average reliability. Although not free from faults, the vehicle shows minimal recall issues and moderate complaint levels, primarily concerning the brakes.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| service brakes | 100,000–150,000 miles | $300–$800 | common |
| suspension | 110,000–160,000 miles | $700–$1 | occasional |
| power train | 120,000–170,000 miles | $1,500–$3,000 | rare |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Change engine oil every 5,000 miles
- Replace air filter every 15,000 miles
- Inspect brake system annually
- Change transmission fluid every 30,000 miles
- Replace spark plugs every 60,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Soft or spongy brake pedal
- Unusual suspension noises
- Transmission slipping
- Jerky acceleration
- Frequent brake wear
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.