AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2021 Infiniti Q50
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $12,000–$18,000
The 2021 Infiniti Q50 has an average reliability rating. Key recalls address serious issues such as engine control and suspension integrity. Few owner complaints suggest limited recurring problems, but vigilance around critical recalls is necessary for safe operation.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| Audio/Video Unit | under 30,000 miles | $500–$800 | common |
| Rear Suspension | 30,000–50,000 miles | $600–$1,200 | occasional |
| Engine Control Module | 30,000–60,000 miles | $800–$1,500 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Tire rotations and alignments
- Brake pad inspections
- Coolant flushes every 45,000 miles
- Transmission fluid changes
- Air filter replacements
- Battery checks
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Delayed rear-view display
- Unusual suspension noises
- Unexpected engine power reduction
- Steering wheel vibrations
- Frequent ECM warnings
Generated by gpt-4o on 8/20/2026. Cost ranges are conservative estimates that account for typical regional variation.