Skip to content
AutoSpec Index
Menu

2003 Infiniti FX45

US · SUV · Sport Utility Vehicle - 4WD

The 2003 Infiniti FX45 is listed in the US market as a suv 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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
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
15 MPG US (15.7 L/100 km) · EPA
Drivetrain
AWD
Transmission
AUTOMATIC
Capacity
Not available
Exterior Dimensions
Not available
Market: US·Switch units anytime to convert horsepower, torque, fuel economy, and dimensions.
Compare 2003 Infiniti FX45 ↗

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
DrivetrainAWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined15 mpg (15.7 L/100 km)
City13 mpg (18.1 L/100 km)
Highway18 mpg (13.1 L/100 km)

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

Trims and configurations

1 configuration listed by our sources. Engines, drivetrains and fuel economy can differ between them.

Recalls

NHTSA lists 9 recall campaigns for this model year. Last checked October 18, 2026.

  • 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

  • 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

  • 15V287000: AIR BAGS

    Nissan North America, Inc. (Nissan) is recalling certain model year 2001-2003 Nissan Maxima, 2002-2004 Pathfinder, 2002-2006 Sentra, 2002-2003 Infiniti QX4 and I35, 2003 FX35 and FX45, and 2001 I30 vehicles. Upon deployment of the passenger side frontal air bag, excessive internal pressure may cause the inflator to rupture.

    Remedy: Nissan will notify owners, and dealers will replace the passenger air bag inflator, free of charge. The recall began on June 15, 2015. Owners may contact Nissan customer service at 1-800-647-7261. Note: On December 18, 2015 Nissan…

    Reported May 15, 2015. View on NHTSA

  • 15V226000: AIR BAGS

    Nissan North America, Inc. (Nissan) is recalling certain model year 2003-2004 Infiniti I35, 2003-2005 FX35 and FX45, and 2006 M35 and M45 vehicles originally sold, or currently registered, in geographic locations associated with high absolute humidity. Specifically, vehicles sold, or ever registered, in Florida, Hawaii, Puerto Rico, the U.S. Virgin Islands, Saipan, Guam, and American Samoa, as…

    Remedy: Nissan will notify owners, and dealers will replace the passenger air bag inflator, free of charge. The recall began on June 16, 2015. Owners may contact Nissan customer service at 1-800-647-7261. Note: This recall supersedes recall…

    Reported April 17, 2015. View on NHTSA

  • 06V328000: EXTERIOR LIGHTING:HEADLIGHTS

    DURING A CANADIAN COMPLIANCE TEST, CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, 'LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.' THE HEADLAMP ASSEMBLIES DO NOT MEET THE HEADLAMP PHOTOMETRIC VALUES REQUIREMENTS OF THE STANDARD.

    Remedy: DEALERS WILL REPLACE THE HEADLAMP ASSEMBLIES. THE RECALL BEGAN ON DECEMBER 18, 2006. OWNERS MAY CONTACT INFINITI AT 1-800-662-6200.

    Reported August 31, 2006. View on NHTSA

  • 06V244000: EXTERIOR LIGHTING

    DURING A CANADIAN COMPLIANCE TEST, CERTAIN SPORT UTILITY VEHICLES FAILED TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, 'LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.' A REAR COMBINATION LAMP ASSEMBLY DID NOT MEET THE REQUIREMENTS.

    Remedy: DEALERS WILL REPLACE THE REAR COMBINATION LAMP ASSEMBLIES. THE RECALL BEGAN ON DECEMBER 18, 2006. OWNERS MAY CONTACT INFINITI AT AT 1-800-662-6200.

    Reported July 11, 2006. View on NHTSA

  • 05V555000: FUEL SYSTEM, GASOLINE

    ON CERTAIN PASSENGER AND SPORT UTILITY VEHICLES, THE FUEL FILLER HOSE MAY CRACK AND RESULT IN FUEL LEAKAGE FROM THE HOSE WHILE REFUELING.

    Remedy: DEALERS WILL REPLACE THE FUEL FILLER HOSE. RECALL BEGAN ON FEBRUARY 27, 2006, FOR NISSAN OWNERS, AND ON MARCH 13, 2006, FOR INFINITI OWNERS. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261 OR INFINITI AT 1-800-662-6200.

    Reported December 13, 2005. View on NHTSA

  • 03V476000: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

    ON CERTAIN SPORT UTILITY VEHICLES, THE FRONT BRAKE CALIPER MOUNTING BOLTS MAY NOT BE ADEQUATELY TIGHTENED. THIS COULD RESULT IN ONE OR BOTH OF THE CALIPER MOUNTING BOLTS LOOSENING.

    Remedy: DEALERS WILL TIGHTEN THE FRONT BRAKE CALIPER MOUNTING BOLTS TO ENSURE THAT THEY ARE SECURE. OWNER NOTIFICATION BEGAN ON JANUARY 5, 2004. OWNERS SHOULD CONTACT INFINITI AT 1-800-662-6200.

    Reported November 14, 2003. View on NHTSA

  • 03V164000: POWER TRAIN:AUTOMATIC TRANSMISSION

    ON CERTAIN SPORT UTILITY VEHICLES, THE BOLTS WHICH ATTACH THE PROPELLER SHAFT(S) TO THE TRANSAXLE AND DIFFERENTIAL(S) MAY NOT HAVE BEEN ADEQUATELY TIGHTENED.

    Remedy: DEALERS WILL REPLACE THE PROPELLER SHAFT BOLTS AND TIGHTEN THE BOLTS TO THE PROPER SPECIFICATION. OWNER NOTIFICATION BEGAN MAY 27, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT…

    Reported May 5, 2003. View on NHTSA

Data sources

  • EPA fueleconomy.gov · retrieved October 18, 2026 · US Government public data
  • NHTSA vPIC · retrieved October 18, 2026 · US Government public data

Source checked: October 18, 2026

Data verified: October 18, 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.

Compare

Related vehicles

  • 2004 Infiniti FX45

    SUV, Gasoline

    4.5L 8-cylinder · AWD
    15 mpg (15.7 L/100 km)

  • 2003 Infiniti FX35

    SUV, Gasoline

    3.5L 6-cylinder · Varies by configuration: RWD, AWD
    17 mpg (13.8 L/100 km)

  • 2003 Infiniti QX4

    SUV, Gasoline

    3.5L 6-cylinder · Varies by configuration: RWD, AWD
    16 mpg (14.7 L/100 km) to 15 mpg (15.7 L/100 km)

  • 2003 Audi Allroad

    SUV, Gasoline

    2.7L 6-cylinder turbocharged · AWD
    17 mpg (13.8 L/100 km)

  • 2003 Acura MDX

    SUV, Gasoline

    3.5L 6-cylinder (VTEC) · AWD
    17 mpg (13.8 L/100 km)

  • 2003 Chevrolet Tahoe

    SUV, Varies by configuration: Gasoline, Flex fuel

    Varies by configuration: 4.8L 8-cylinder, 5.3L 8-cylinder (LM7), 5.3L 8-cylinder (FLEX-FUEL) · Varies by configuration: RWD, AWD
    15 mpg (15.7 L/100 km) to 13 mpg (18.1 L/100 km)

Explore similar vehicles

Frequently asked questions

What engine does the 2003 Infiniti FX45 have?

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

What is the fuel economy of the 2003 Infiniti FX45?

Combined fuel economy is 15 mpg (15.7 L/100 km), as published by the source shown in the specification table.

Is the 2003 Infiniti FX45 front-wheel, rear-wheel or all-wheel drive?

Drivetrain: AWD.

Are there recalls for the 2003 Infiniti FX45?

NHTSA lists 9 recall campaigns for this model year (last checked October 18, 2026). Details are in the Recalls section.