2012 Infiniti M56: True Cost, Problems & Verdict
4 NHTSA owner complaints · 3 recalls · data-computed verdict. No opinions — public data only.
Owner complaints: 4 filed with NHTSA
Complaints per year on the road: 0.29
What owners say
Verbatim reports filed with the United States safety regulator (NHTSA) by owners of this exact model year. Public record.
Tl* the contact owns a 2012 infiniti m56. when the steering wheel was lowered to be adjusted at a certain degree, it seized or became difficult to maneuver. the vehicle was not diagnosed or repaired. the manufacturer was contacted and stated that there was no recall for the failure. the dealer was not contacted. the approximate failure mileage was 64,000.
I was at a complete stop at a intersection in my 2012 infiniti m56x. upon acceleration the car started to hesitate and jerk forward (the check engine light came on) as i was pushing on the gas pedal. the car barely crept through the intersection and i made it to a parking lot. i put the car in park and pushed on the accelerator the engine was loosing power and skipping real bad. i had to have the car towed to the d…
I was disappointed with my 2012 infiniti m37x purchased on 1/3/2012 at infiniti. my safety was put at risk with this vehicle. i took delivery of my new m37x on the night of 1/4/2012. upon delivery, i drove at highway speeds(65 mph). the car was vibrating constantly, and i felt the vibrations prominently through the steering wheel. within twelve hours of delivery, i contacted infiniti about the safety issues via email…
Recalls: 3 campaigns (1 severe)
| Campaign | Component | Summary |
|---|---|---|
| 20V755000 | Power Train:Driveline:Driveshaft | Nissan North America, Inc. (Nissan) is recalling certain 2011-2013 Infiniti M56, 2012-2013 M35 Hybrid, and 2014 Q70 and Q70 Hybrid vehicles. |
| 24V470000 | Power Train:Driveline:Driveshaft | Nissan North America, Inc. (INFINITI) is recalling certain 2011-2013 M56, 2012-2013 M35 Hybrid, 2014-2018 Q50, Q70 Hybrid, 2014-2019 Q70, and 2015-2019 Q70L two-wheel drive vehicles. |
| 14V683000 | Fuel System, Gasoline | Nissan North America, Inc. (Nissan) is recalling certain model year 2012-2014 Nissan Juke, 2012-2013 Infiniti M56, QX56, and 2014-2015 Infiniti Q70 (V8 engine vehicles only), and QX80 vehicles. |
What it costs to buy — and what owning it really takes
Class-level estimates, priced as a large premium car of its model year, re-priced to your country. Not a quote, not a valuation of one specific car — condition, mileage and options move it. How these are computed.
What it costs to run
EPA combined 19 MPG · estimated annual fuel cost $4,350
Re-priced automatically from your country's retail fuel, electricity and parts indices — change country in the bar at the top. Estimates; see methodology.
What this car's problems cost to fix
Ranked by the components owners of this exact model year actually complain about. Each figure is flat-rate labour hours x the local shop rate plus a parts band — an estimate of what this kind of failure costs, not a quote, and not a prediction that this car will need it. Formula.
- Engine2 complaints · typical job: Cooling-system or timing-drive repair (6.0 h labour + parts)$1,040–$2,220
- Electrical System1 complaints · typical job: Alternator, battery-drain or body-module diagnosis and replacement (3.0 h labour + parts)$540–$1,310
- Fuel/Propulsion System1 complaints · typical job: Fuel pump or injector replacement (3.5 h labour + parts)$680–$1,620
- Steering1 complaints · typical job: Electric power-steering rack or column motor replacement (5.0 h labour + parts)$1,020–$2,500
- Unknown Or Other1 complaints · typical job: Diagnosis and mixed repair (2.0 h labour + parts)$360–$940
- Suspension1 complaints · typical job: Struts, springs and control-arm bushings, one axle (4.0 h labour + parts)$780–$1,580
FAQ
What is the most common problem with the 2012 Infiniti M56?
The most-reported issue in NHTSA complaint data is Engine (2 complaints in our indexed sample).
Is the 2012 Infiniti M56 a good used car to buy?
Our data verdict is BUY with a reliability score of 88/100, computed from 4 NHTSA complaints and 3 recall campaigns. See the verdict card for the top reasons.
How much does it cost to fix the 2012 Infiniti M56's most common problem?
2 of the NHTSA complaints filed against the 2012 Infiniti M56 sit in the Engine group — more than any other component on this model year. The representative job there is cooling-system or timing-drive repair: about 6.0 hours of labour plus parts, roughly $1,040–$2,220 at a US independent shop and re-priced to your country at the top of the page. It is an estimate of what this class of failure costs, not a quote for this car.
What does a 2012 Infiniti M56 cost to run per year?
About $6,775 a year in fuel or energy plus the maintenance band — roughly $33,875 over five years, before purchase price, insurance and depreciation. Figures come from available EPA fuel-economy data and industry maintenance averages, and are re-priced to your country.
Does the 2012 Infiniti M56 have recalls?
Yes — NHTSA lists 3 recall campaign(s) for the 2012 Infiniti M56, 1 of them touching fire, crash or stall risk, the most recent recorded 07/12/2020. Check this car's VIN at nhtsa.gov/recalls before you buy.
Compare with
Other luxury larges of about the same age.
What will a 2012 Infiniti M56 really cost YOU per year?
Fuel, maintenance band and depreciation — computed from public data in 10 seconds.
Open the true-cost calculatorData sources
Complaints & recalls: NHTSA ·
Fuel economy: EPA fueleconomy.gov ·
Scoring: our published methodology.
Maintenance bands are industry-average estimates (AAA Your Driving Costs, CarMD index) — labeled estimates, not measurements.
Last updated: 2026-10-04.
Thin evidence — 4 complaints, 3 recalls on record
- 4 NHTSA complaints on record (0.3/yr of exposure) — in line with a typical year of this model (0.3/yr)
- 3 recall campaigns, 1 touching safety-critical systems
- Thin complaint record — this score is held close to the model's own average rather than read as evidence of quality