2013 INFINITI M56

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$18,002–$29,446 Inventory Prices
(5.0) 3 reviews
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Key Specs
Our Take
Overview
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Key Specs

of the 2013 INFINITI M56. Base trim shown.

  • Body Type:
  • Combined MPG:
    20 Combined MPG
  • Engine:
    420-hp, 5.6-liter V-8 (premium)
  • Drivetrain:
    Rear-wheel Drive
  • Transmission:
    7-speed automatic w/OD and auto-manual
  • View more specs

Our Take

From the Cars.com Vehicle Test Team

The Good

  • Impressive technology
  • User-friendly navigation system
  • Performance potential
  • Reputation for reliability

The Bad

  • Smallish trunk
  • Short backseat cushions

Notable Features of the 2013 INFINITI M56

  • 420-hp, 5.6-liter V-8
  • RWD or AWD
  • Seven-speed automatic
  • Available Blind Spot Intervention system

2013 INFINITI M56 Overview

By Cars.com Editors
Vehicle Overview

The M sedan is Infiniti's flagship model, available as the V-8-powered M56 covered in this report and as the V-6 M37 model and M35h hybrid that are covered separately in the Cars.com Research section. The M56 and M37 are available with rear or all-wheel drive, and the M35h comes only with rear-wheel drive. The M sedan was redesigned for the 2011 model year and competes with luxury sedans such as the BMW 5 and 7 Series, Lexus LS and Mercedes-Benz E- and S-Class.
New for 2013
The optional Sport Package is available on all-wheel-drive models and includes a firmer suspension, stronger brakes, 20-inch wheels and a different front design among its features. The Premium Package adds rear sonar and Infiniti Connection, a telematics system that can unlock doors remotely among other things. A new Performance Tire and Wheel Package includes 20-inch rims, performance tires and larger brakes.
Exterior
The M56's styling combines the taller presence of the previous-generation M with some of the curves seen on the current G37 sedan. A large grille sits low on the M's face, recalling the grille on the Essence, the concept vehicle that foretold the current model. In back, the tail rises slightly at the center. Exterior features include:

  • Eighteen-inch alloy wheels
  • Xenon high-intensity-discharge headlights
  • Heated, power-folding side mirrors
  • Available 20-inch wheels

Interior
The M's dashboard falls away from the driver, resulting in a spacious, open cabin. A wide ...

Vehicle Overview

The M sedan is Infiniti's flagship model, available as the V-8-powered M56 covered in this report and as the V-6 M37 model and M35h hybrid that are covered separately in the Cars.com Research section. The M56 and M37 are available with rear or all-wheel drive, and the M35h comes only with rear-wheel drive. The M sedan was redesigned for the 2011 model year and competes with luxury sedans such as the BMW 5 and 7 Series, Lexus LS and Mercedes-Benz E- and S-Class.
New for 2013
The optional Sport Package is available on all-wheel-drive models and includes a firmer suspension, stronger brakes, 20-inch wheels and a different front design among its features. The Premium Package adds rear sonar and Infiniti Connection, a telematics system that can unlock doors remotely among other things. A new Performance Tire and Wheel Package includes 20-inch rims, performance tires and larger brakes.
Exterior
The M56's styling combines the taller presence of the previous-generation M with some of the curves seen on the current G37 sedan. A large grille sits low on the M's face, recalling the grille on the Essence, the concept vehicle that foretold the current model. In back, the tail rises slightly at the center. Exterior features include:

  • Eighteen-inch alloy wheels
  • Xenon high-intensity-discharge headlights
  • Heated, power-folding side mirrors
  • Available 20-inch wheels

Interior
The M's dashboard falls away from the driver, resulting in a spacious, open cabin. A wide panel with controls for the climate and optional navigation systems sits closer compared with the prior M, while the transmission retains a short leather-wrapped gearshift. Upscale available materials include a suede-like headliner, faux-leather-stitched dashboard panels and wood trim with interlaced silver-powdered accents. Optional semi-aniline leather feels similar to a leather sofa, Infiniti says. Interior features include:

  • CD stereo with six speakers
  • USB/iPod connectivity and Bluetooth
  • Standard heated and cooled front seats
  • Leather upholstery
  • Power moonroof
  • Push-button start
  • Backup camera 
  • Available navigation system
  • Available Bose stereo

Under the Hood
The M56's 5.6-liter V-8 makes 420 horsepower and 417 pounds-feet of torque; it pairs with a seven-speed automatic transmission. A knob controller, dubbed Infiniti Drive, allows drivers to program drivetrain settings, including accelerator sensitivity and transmission shift points, to Standard, Eco, Sport or Snow modes. Eco mode provides accelerator resistance to the driver's right foot if it detects inefficient driving habits; it also includes a yellow-to-green gauge indicator to show how efficiently you're driving. Mechanical features include:

  • Available sport-tuned suspension
  • Available four-wheel steering (rear-drive only)

Safety
Blind spot and lane departure warning systems are optional, as is Infiniti's Lane Departure Prevention system, which uses light braking to keep the M56 from drifting into an unintended lane. Safety features include:

  • Standard six airbags
  • Standard active front head restraints
  • Standard antilock brakes 
  • Standard traction control
  • Standard electronic stability system
  • Optional Blind Spot Intervention system
  • Optional adaptive headlights 
  • Available collision warning system



Latest 2013 M56 Stories

What Drivers Are Saying

Exterior Styling
(5.0)
Performance
(5.0)
Interior Design
(4.7)
Comfort
(4.3)
Reliability
(5.0)
Value For The Money
(5.0)

Latest Reviews

(5.0)

Superior

by ac5 from Tyler, Texas on October 30, 2017

This is close to a dream car for me. I could find so very few M56's on the market. I can see why people are holding on to them. I really like the navigation system, the weather alerts, the back window ... Read full review

(5.0)

Outstanding

by Clark W. Griswold, Jr. from Dallas, TX on October 25, 2017

Beautiful car, and the performance is incredible. The design is superb, and it feels great. I traded in my 2008 M45x, which I loved, and the difference between the two is beyond my expectations. Read full review

Safety & Recalls

Recalls

The 2013 INFINITI M56 currently has 1 recall

IIHS Crash and Rollover Test Ratings

Based on 2013 INFINITI M56 Base

IIHS rates vehicles good, acceptable, marginal, or poor.

Head Restraints and Seats

Dynamic Rating
good
Overall Rear
good
Seat Head/Restraint Geometry
good

Moderate overlap front

Chest
good
Head/Neck
acceptable
Left Leg/Foot
good
Overall Front
good
Restraints
good
Right Leg/Foot
good
Structure/safety cage
good

Other

Roof Strength
good

Side

Driver Head Protection
good
Driver Head and Neck
good
Driver Pelvis/Leg
good
Driver Torso
good
Overall Side
good
Rear Passenger Head Protection
good
Rear Passenger Head and Neck
good
Rear Passenger Pelvis/Leg
good
Rear Passenger Torso
good
Structure/safety cage
acceptable
Insurance Institute for Highway Safety (IIHS) is a nonprofit research and communications organization funded by auto insurers.

Manufacturer Warranty

  • Bumper-to-Bumper

    48 months / 60,000 miles

  • Powertrain

    72 months / 70,000 miles

  • Roadside Assistance

    48 months / unlimited distance

CPO Program & Warranty

Certified Pre-Owned by INFINITI

Program Benefits

Free Carfax report and 3 Year CARFAX Buyback Guarantee, first year basic maintenance, SiriusXM 3-Month trial, Infiniti Elite Extended Protection Plan available, 24-hour roadside assistance, lockout assistance, repair at authorized Infiniti dealerships or facilities and Infiniti courtesy vehicle.

  • Limited Warranty

    6 years / Unlimited mileage warranty

    Vehicles < 15K miles: 6 Yr./75K mileage warranty from the vehicle's original ISD. Vehicles > 15K miles: 6 Yr./Unlimited mileage warranty from the vehicle's original ISD. Vehicles > 15K miles and outside new vehicle warranty: 2 Yr./Unlimited mileage warranty from CPO sale date.
  • Eligibility

    Under 6 years / 70,000 miles

    Vehicles receive a 167 point vehicle inspection and reconditioning.

    See inspection details.

Change Year or Vehicle

All Model Years for the INFINITI M56

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Cars.com Car Seat Check

Certified child passenger safety technicians conduct hands-on tests of a car’s Latch system and check the vehicle’s ability to accommodate different types of car seats. The M56 received the following grades on a scale of A-F.*
* This score may not apply to all trims, especially for vehicles with multiple body styles that affect the space and design of the seating.

Warranty FAQs

What is a Bumper-to-Bumper warranty?

Often called a basic warranty or new-vehicle warranty, a bumper-to-bumper policy covers components like air conditioning, audio systems, vehicle sensors, fuel systems and major electrical components. Most policies exclude regular maintenance like fluid top offs and oil changes, but a few brands have separate free-maintenance provisions, and those that do offer them is slowly rising. Bumper-to-bumper warranties typically expire faster than powertrain warranties.

What is a Powertrain warranty?

Don't be misled a 10-year or 100,000-mile powertrain warranty doesn't promise a decade of free repairs for your car. It typically covers just the engine and transmission, along with any other moving parts that lead to the wheels, like the driveshaft and constant velocity joints. Some automakers also bundle seat belts and airbags into their powertrain warranties. With a few exceptions, powertrain warranties don't cover regular maintenance like engine tuneups and tire rotations.

What is included in Roadside Assistance?

Some automakers include roadside assistance with their bumper-to-bumper or powertrain warranties, while others have separate policies. These programs cover anything from flat-tire changes and locksmith services to jump-starts and towing. Few reimburse incidental costs like motel rooms (if you have to wait for repairs).

What other services could be included in a warranty?

Some automakers include free scheduled maintenance for items such as oil changes, air filters and tire rotations. Some include consumables including brake pads and windshield wipers; others do not. They are typically for the first couple of years of ownership of a new car.

What does CPO mean?

A certified pre-owned or CPO car has been inspected to meet minimum quality standards and typically includes some type of warranty. While dealers and third parties certify cars, the gold standard is an automaker-certified vehicle that provides a factory-backed warranty, often extending the original coverage. Vehicles must be in excellent condition and have low miles and wear to be certified, which is why off-lease vehicles feed many CPO programs.

See also the latest CPO incentives by automaker