2012 Infiniti M37: True Cost, Problems & Verdict
32 NHTSA owner complaints · 0 recalls · data-computed verdict. No opinions — public data only.
Owner complaints: 32 filed with NHTSA
Complaints per year on the road: 2.29
What owners say
Verbatim reports filed with the United States safety regulator (NHTSA) by owners of this exact model year. Public record.
The contact owns a 2012 Infiniti M37. The contact stated that while driving at various speeds, the vehicle hesitated upon depressing the accelerator pedal without warning. The contact also stated that while driving on an incline, the vehicle lost power upon depressing the accelerator pedal and rolled backward, forcing the contact to depress the accelerator pedal to the floorboard to maintain momentum and resume drivi…
The contact owns a 2012 Infiniti M37. The contact stated that the front passenger's side air bag warning light was illuminated. The vehicle was taken to the dealer; however, the vehicle was not diagnosed. The contact was quoted a diagnostic fee and declined to pay the fee. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The manufacturer was made aware of the failure but provided no…
The contact owns a 2012 Infiniti M37. The contact stated that upon taking the vehicle to an independent mechanic for an oil change, she was informed that the radiator pressure O-ring was leaking coolant. The independent mechanic diagnosed that the radiator needed to be replaced. The vehicle was not repaired. The dealer and the manufacturer were not notified of the failure. The failure mileage was 96,294.
Recalls: 0 campaigns
| Campaign | Component | Summary |
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What it costs to buy — and what owning it really takes
Class-level estimates, priced as a mid-size 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 21 MPG · estimated annual fuel cost $3,800
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.
- Steering11 complaints · typical job: Electric power-steering rack or column motor replacement (5.0 h labour + parts)$1,020–$2,500
- Air Bags8 complaints · typical job: Airbag module, clockspring or sensor replacement (2.5 h labour + parts)$600–$1,700
- Power Train6 complaints · typical job: Transmission service or clutch-pack repair (7.0 h labour + parts)$1,290–$4,040
- Engine6 complaints · typical job: Cooling-system or timing-drive repair (6.0 h labour + parts)$1,040–$2,220
- Electrical System4 complaints · typical job: Alternator, battery-drain or body-module diagnosis and replacement (3.0 h labour + parts)$540–$1,310
- Seats2 complaints · typical job: Seat frame, track or occupancy-sensor repair (2.5 h labour + parts)$500–$1,200
FAQ
What is the most common problem with the 2012 Infiniti M37?
The most-reported issue in NHTSA complaint data is Steering (11 complaints in our indexed sample).
Is the 2012 Infiniti M37 a good used car to buy?
Our data verdict is BUY with a reliability score of 90/100, computed from 32 NHTSA complaints and 0 recall campaigns. See the verdict card for the top reasons.
How much does it cost to fix the 2012 Infiniti M37's most common problem?
11 of the NHTSA complaints filed against the 2012 Infiniti M37 sit in the Steering group — more than any other component on this model year. The representative job there is electric power-steering rack or column motor replacement: about 5.0 hours of labour plus parts, roughly $1,020–$2,500 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 M37 cost to run per year?
About $6,263 a year in fuel or energy plus the maintenance band — roughly $31,315 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.
Compare with
Other luxury midsizes of about the same age.
What will a 2012 Infiniti M37 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 — 32 complaints, 0 recalls on record
- 32 NHTSA complaints on record (2.3/yr of exposure) — in line with a typical year of this model (2.3/yr)
- 0 recall campaigns, 0 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