Is the 2012 Infiniti M56 reliable?

The 2012 Infiniti M56 has 6 complaints filed with NHTSA (0.3x the segment average). Our reliability verdict: above-average. Most common issue: ENGINE problems.

What are common problems with the 2012 Infiniti M56?

Top problems: ENGINE (2 complaints, avg repair $500); OTHER (1 complaints, avg repair $500); STEERING (1 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2012 Infiniti M56?

Yes, there are 3 recall(s): POWER TRAIN:DRIVELINE:DRIVESHAFT, FUEL SYSTEM, GASOLINE, POWER TRAIN:DRIVELINE:DRIVESHAFT. Contact any Infiniti dealer to verify if recalls have been completed on your specific vehicle.

How much does it cost to fuel a 2012 Infiniti M56?

The 2012 Infiniti M56 gets 19 MPG combined. At current US average gas prices, driving 12,000 miles per year costs roughly $2526. See the interactive fuel cost calculator on this page for state-specific pricing.

How much does it cost to insure a 2012 Infiniti M56?

Estimated US average full-coverage insurance for the 2012 Infiniti M56 is approximately $1,932/year (sedan-luxury class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2012 Infiniti M56

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2012 Infiniti M56 has 6 owner complaints filed with NHTSA — that's 0.3x the segment average of 21. The most common issue is engine problems (33% of all complaints), specifically: 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 par. There are 3 recalls issued for this model year.

Total Complaints

Recalls Issued

4/5

Safety Stars

0.3x

vs Segment Avg

Known Problems(top 5 of 5)

ENGINE

2 complaints

33%

• 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 PAR
• My 2012 Infiniti M56 is having the same issues as the recall number 11V592000 My car is currently at an Infiniti dealership. It was noted that it was low on oil and the fusible link was destroyed to prevent the engine from seizing up. My life was put endanger as my car shut off at the red light int

Typical onset: 50K miles Est. repair: $500

“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 PAR”

— NHTSA complaint filing

Recalls (3)

POWER TRAIN:DRIVELINE:DRIVESHAFT07/12/2020

Nissan North America, Inc. (Nissan) is recalling certain 2011-2013 Infiniti M56, 2012-2013 M35 Hybrid, and 2014 Q70 and Q70 Hybrid vehicles. These models, equipped with 2WD and with a hybrid or VK56 powertrain, have a driveshaft that may break.

Risk: A broken driveshaft can cause a loss of propulsion, increasing the risk of a crash, or may disable the parking brake, increasing the risk of a rollaway and injury.

Fix: Infiniti will notify owners, and dealers will replace the driveshaft, free of charge. The recall began February 5, 2021. Owners may contact Infiniti customer service at 1-800-662-6200.

Fuel Cost Calculator for 2012 Infiniti M56

Live EIA prices

Annual miles driven: 12,000

Your state (affects local gasoline price)

Per year

$2,527

Per month

$211

Per mile

21.1¢

MPG

City driving (worst-case MPG)

$3,001/yr

Highway driving (best-case MPG)

$2,001/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today

Show:

Current

$4.00

5-year low

$2.78

5-year high

$5.01

Since 2021

+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2012 Infiniti M56

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$1,932

Full coverage / month

$161

Liability only / year

$696

vs US avg

+15%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (sedan-luxury)1.28x

× theft risk1.00x

× safety rating0.98x

× vehicle age0.92x

= Full coverage estimate$1932

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Infiniti New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

4 yr / 60K mi

Powertrain

6 yr / 70K mi

Hybrid/EV battery

8 yr / 100K mi

Corrosion (rust perforation)

7 yr / unlimited mi

Roadside assistance

4 yr / unlimited mi

These are the terms for a new Infiniti. If you're buying a used 2012 M56, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Infiniti dealer for VIN-specific remaining warranty.

Estimated Repair Costs

ENGINE(~50K mi)

$500

OTHER(~50K mi)

$500

STEERING(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

FUEL SYSTEM(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 6 owner complaints for this specific year, here's what to check or ask about:

☐
ENGINE: 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 PAR
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: 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 PAR
Typically appears around 50K miles. Repair cost ~$500
☐
STEERING: 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 N
Typically appears around 50K miles. Repair cost ~$500
☐
ELECTRICAL: My 2012 Infiniti M56 is having the same issues as the recall number 11V592000 My car is currently at an Infiniti dealership. It was noted that it was low on oil and the fusible link was destroyed to prevent the engine from seizing up. My life was put endanger as my car shut off at the red light int
Typically appears around 50K miles. Repair cost ~$500
☐
RECALLS: Verify all 3 recalls have been completed — free at any Infiniti dealer
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)