Reliability & 5-year cost of ownership — 2011 Infiniti M56
NHTSA data on file today
The 2011 Infiniti M56 has 2 NHTSA recall campaigns and 13 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
NCAP overall rating: 4.0 out of 5 stars, averaged across 2 NHTSA-tested trims.
Recall campaigns on file
- NHTSA #24V470000 Driveshaft Can Break NHTSA notice
- NHTSA #20V755000 Driveshaft Can Break NHTSA notice
Most-cited components in owner complaints
- Power Train 6 complaints
- Engine 4 complaints
- Electrical System 3 complaints
- Air Bags 2 complaints
- Electronic Stability Control (ESC) 1 complaint
- Seat Belts 1 complaint
Below average
Estimated 5-year repair + maintenance cost: $8,000–$12,000AI estimate — not from NHTSA data
The 2011 Infiniti M56 faces significant powertrain reliability issues, particularly with the driveshaft, as evidenced by multiple recalls and complaints. Engine and electrical issues further affect reliability.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| driveshaft | 50,000–80,000 miles | $900–$1,500 | very common |
| engine components | 60,000–100,000 miles | $1,200–$3,000 | common |
| electrical system | 70,000–100,000 miles | $300–$600 | occasional |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes every 5,000 miles
- Brake fluid replacement every 30,000 miles
- Coolant flush every 60,000 miles
- Drive belt inspection every 20,000 miles
- Transmission fluid change every 60,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Unusual drivetrain noises
- Persistent engine warning lights
- Flickering dashboard lights
- Reduced vehicle acceleration
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2011 Infiniti M56 at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.