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2009 Infiniti M45

US · Large Cars

The 2009 Infiniti M45 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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
4.5L 8-cylinder
Power
Not available
Torque
Not available
Transmission
5-speed automatic
Drivetrain
Varies by configuration: RWD, AWD
Fuel
Gasoline
Seating
Not available
Generic outline. Published dimensions for this vehicle are not available.
Specifications at a Glance

Key Performance & Dimensions

Units:
Engine / Powertrain
4.5L 8-cylinder
Power Output
Not available
Peak Torque
Not available
Combined Economy
Not available
Drivetrain
Not available
Transmission
AUTOMATIC
Capacity
Not available
Exterior Dimensions
Not available
Market: US·Switch units anytime to convert horsepower, torque, fuel economy, and dimensions.
Compare 2009 Infiniti M45 ↗

Engine

Engine
SpecificationValueSource
Engine4.5L 8-cylinder
Displacement4.5 L
Cylinders8
Fuel typeGasoline

Not available from our sources: Aspiration, Power, Torque.

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionAutomatic
Gears5
DrivetrainVaries by configuration: RWD, AWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined18 mpg (13.1 L/100 km) to 16 mpg (14.7 L/100 km)
City16 mpg (14.7 L/100 km) to 14 mpg (16.8 L/100 km)
Highway21 mpg (11.2 L/100 km) to 20 mpg (11.8 L/100 km)

Not available from our sources: Electric range, Battery capacity.

Trims and configurations

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

Recalls

NHTSA lists 6 recall campaigns for this model year. Last checked October 15, 2026.

  • 22E066000: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

    Nissan North America, Inc. (Nissan) is recalling certain air bag inflator replacement service parts that may have been installed as part of a theft or collision repair. The parts include certain passenger-side air bag inflators designed to fit Infiniti 2002-2003 QX4, 2006-2010 M35 and M45; Nissan 2001-2003 Maxima, 2002-2006 Sentra, and both driver and passenger-side inflators designed to fit…

    Remedy: Dealers will inspect and replace the inflators as necessary, free of charge. Owner notification letters are expected to be mailed September 14, 2022. Owners may contact Nissan's customer service at 1-800-867-7669.

    Reported August 9, 2022. View on NHTSA

  • 20V008000: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

    Nissan North America, Inc. (Nissan) is recalling certain 2001-2003 Maxima, 2002-2006 Sentra, 2002-2004 Pathfinder, 2007-2011 Versa Sedan and Versa Hatchback, 2001-2004 Infiniti I30 and I35, 2002-2003 Inifiniti QX4, 2003-2008 Infiniti FX35 and FX45 and 2006-2010 M35 and M45 vehicles. The vehicles are equipped with non-desiccated, frontal passenger air bag inflators containing phase stabilized…

    Remedy: Nissan will notify owners, and dealers will replace the front passenger air bag inflators with alternate desiccated inflators, free of charge. The recall began February 12, 2020. Owners may contact Nissan customer service at…

    Reported January 9, 2020. View on NHTSA

  • 17V028000: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

    Nissan North America, Inc. (Nissan) is recalling certain 2012 Nissan Versa hatchbacks originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan) and the U.S. Virgin Islands, or "Zone A". Additionally, if not included in "Zone A" above, Nissan is…

    Remedy: Nissan will notify owners, and dealers will replace the front passenger air bag inflators, free of charge. The recall began on June 8, 2017. Owners will receive a second notice when remedy parts become available. Owners may contact…

    Reported January 10, 2017. View on NHTSA

  • 16V349000: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

    Nissan North America, Inc. (Nissan) is recalling certain model year 2003-2008 Infiniti FX35 and FX45, 2003-2004 Infiniti I35, 2006-2010 Infiniti M35 and M45, and 2007-2011 Nissan Versa vehicles, originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands…

    Remedy: Nissan will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. The recall began December 21, 2017. All owners should receive a second notice by May 15, 2017. Owners may contact Nissan…

    Reported May 24, 2016. View on NHTSA

  • 13V430000: VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

    Nissan North America, Inc. (Nissan) is recalling certain model year 2006-2010 Infiniti M35 and M45 vehicles manufactured April 4, 2004, through October 5, 2010. Over time, the accelerator pedal sensor signal may deteriorate resulting in the output of an incorrect signal causing the engine to go into fail-safe (limp home) mode.

    Remedy: Nissan will notify owners, and dealers will replace the accelerator pedal assembly and reprogram the engine control module, free of charge. The recall is expected to begin during November 2013. Owners may contact Nissan at 1-800-647-7261.

    Reported September 26, 2013. View on NHTSA

  • 09V393000: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

    NISSAN IS RECALLING CERTAIN MODEL YEAR 2008-2010 VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, IOWA, ILLINOIS, INDIANA, MASSACHUSETTS, MAINE, MARYLAND, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WASHINGTON D.C., WEST VIRGINIA AND WISCONSIN. THE MATERIAL IN THE NUT USED TO SECURE THE…

    Remedy: THE DEALER WILL REPLACE THE TPMS NUT WITH A NEW, MORE ROBUST NUT. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN ON OR BEFORE NOVEMBER 9, 2009. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261 AND INFINITI AT…

    Reported October 5, 2009. View on NHTSA

Data sources

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

Source checked: October 15, 2026

Data verified: October 15, 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

  • 4.5L 8-cylinder · Varies by configuration: RWD, AWD
    18 mpg (13.1 L/100 km) to 16 mpg (14.7 L/100 km)

  • 4.5L 8-cylinder (PR) · Varies by configuration: RWD, AWD
    18 mpg (13.1 L/100 km) to 16 mpg (14.7 L/100 km)

Frequently asked questions

What engine does the 2009 Infiniti M45 have?

4.5L 8-cylinder. Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2009 Infiniti M45?

Combined fuel economy is 18 mpg (13.1 L/100 km) to 16 mpg (14.7 L/100 km), as published by the source shown in the specification table.

Is the 2009 Infiniti M45 front-wheel, rear-wheel or all-wheel drive?

Drivetrain: Varies by configuration: RWD, AWD.

Are there recalls for the 2009 Infiniti M45?

NHTSA lists 6 recall campaigns for this model year (last checked October 15, 2026). Details are in the Recalls section.