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2011 Infiniti M56

US · Midsize Cars

The 2011 Infiniti M56 is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.

Engine
5.6L 8-cylinder (SIDI)
Transmission
7-speed automatic
Drivetrain
Varies by configuration: RWD, AWD
Fuel
Gasoline
Economy
18 mpg (13.1 L/100 km) to 19 mpg (12.4 L/100 km) combined
Generic outline for this body type. An illustration, not a photograph.
Specifications at a Glance

Key Figures

Units:
Engine / Powertrain
5.6L 8-cylinder (SIDI)
Combined Economy
18 mpg (13.1 L/100 km) to 19 mpg (12.4 L/100 km) combined
Drivetrain
RWD, AWD
Transmission
7-speed automatic
Market: US·Switch units to convert the figures shown.
Compare 2011 Infiniti M56 ↗

Engine

Engine
SpecificationValueSource
Engine5.6L 8-cylinder (SIDI)
Displacement5.6 L
Cylinders8
Fuel typeGasoline

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionAutomatic
Gears7
DrivetrainVaries by configuration: RWD, AWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined18 mpg (13.1 L/100 km) to 19 mpg (12.4 L/100 km)
City16 mpg (14.7 L/100 km)
Highway23 mpg (10.2 L/100 km) to 25 mpg (9.4 L/100 km)

Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.

Trims and configurations

2 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.

Recalls

NHTSA lists 2 recall campaigns for this model year. Last checked November 8, 2026.

  • 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. The driveshaft can fatigue and break.

    Remedy: Dealers will replace the driveshaft, free of charge. Owner notification letters were mailed August 13, 2024. Owners may contact INFINITI's customer service at 1-800-662-6200. INFINITI's numbers for this recall are R24A5 and R24A7.

    Reported June 21, 2024. View on NHTSA

  • 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. These models, equipped with 2WD and with a hybrid or VK56 powertrain, have a driveshaft that may break.

    Remedy: 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.

    Reported December 7, 2020. View on NHTSA

Data sources

  • EPA fueleconomy.gov · retrieved November 7, 2026 · US Government public data
  • NHTSA vPIC · retrieved October 15, 2026 · US Government public data

Source checked: November 7, 2026

Data verified: November 7, 2026

Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.

Related vehicles

  • 5.6L 8-cylinder (SIDI) · Varies by configuration: RWD, AWD
    19 mpg (12.4 L/100 km) to 18 mpg (13.1 L/100 km)

Frequently asked questions

What engine does the 2011 Infiniti M56 have?

5.6L 8-cylinder (SIDI). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2011 Infiniti M56?

Combined fuel economy is 18 mpg (13.1 L/100 km) to 19 mpg (12.4 L/100 km), as published by the source shown in the specification table.

Is the 2011 Infiniti M56 front-wheel, rear-wheel or all-wheel drive?

Drivetrain: Varies by configuration: RWD, AWD.

Are there recalls for the 2011 Infiniti M56?

NHTSA lists 2 recall campaigns for this model year (last checked November 8, 2026). Details are in the Recalls section.