AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2012 Infiniti M56
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $7,500–$12,000
The 2012 Infiniti M56 has a below-average reliability rating due to recalls related to driveshaft fatigue and fuel pressure sensor issues that may cause fuel leaks. Owners have reported sporadic complaints about engine and steering concerns.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| driveshaft | 60,000–90,000 miles | $800–$1,500 | common |
| fuel pressure sensor | 50,000–80,000 miles | $200–$400 | occasional |
| engine components | 70,000–100,000 miles | $500–$2,000 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil changes every 5,000 miles
- Brake fluid replacement every 30,000 miles
- Coolant replacement every 50,000 miles
- Transmission fluid change every 60,000 miles
- Spark plug replacement every 75,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Vibration during acceleration
- Fuel smell from the rear
- Delayed engine start
- Steering wheel shaking
- Unusual engine noises
Generated by gpt-4o on 8/20/2026. Cost ranges are conservative estimates that account for typical regional variation.