AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2000 Infiniti I30
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $4,000–$7,000
The 2000 Infiniti I30 shows an average reliability due to recurring electrical system issues and moderate engine complaints. Intermittent brake and cooling system failures also impact its performance. Despite these issues, it remains generally dependable with correct maintenance.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| electrical system | 70,000–100,000 miles | $300–$700 | very common |
| engine cooling | 80,000–110,000 miles | $400–$900 | common |
| service brakes | 60,000–90,000 miles | $200–$500 | common |
| suspension | 75,000–100,000 miles | $400–$800 | occasional |
| vehicle speed control | 80,000–110,000 miles | $250–$600 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes every 5,000 miles
- Tire rotations every 10,000 miles
- Brake fluid replacement every 30,000 miles
- Engine coolant flush every 50,000 miles
- Transmission fluid change every 60,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Electrical faults causing non-start
- Unusual engine cooling noises
- Brake pedal sinking
- Unresponsive speed control
- Suspension squeaking or knocking
Generated by gpt-4o on 8/20/2026. Cost ranges are conservative estimates that account for typical regional variation.