2004 Infiniti QX56

US · SUV · Sport Utility Vehicle - 2WD

The 2004 Infiniti QX56 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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: 5.6L 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

5.6L 8-cylinder

Power Output

Not available

Peak Torque

Not available

Combined Economy

14 MPG US (16.8 L/100 km) · EPA

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 2004 Infiniti QX56 ↗

Engine

Engine
Specification	Value	Source
Engine	5.6L 8-cylinder
Displacement	5.6 L
Cylinders	8
Fuel type	Gasoline	EPA fueleconomy.gov

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

Transmission and drivetrain

Transmission and drivetrain
Specification	Value	Source
Transmission	Automatic	EPA fueleconomy.gov
Gears	5
Drivetrain	Varies by configuration: RWD, AWD

Fuel economy and range

Fuel economy and range
Specification	Value	Source
Combined	14 mpg (16.8 L/100 km)	EPA fueleconomy.gov
City	12 mpg (19.6 L/100 km)
Highway	18 mpg (13.1 L/100 km) to 17 mpg (13.8 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 2 recall campaigns for this model year. Last checked October 17, 2026.

10V517000: ENGINE AND ENGINE COOLING
NISSAN IS RECALLING CERTAIN MODEL YEAR 2004-2006 ARMADA, TITAN, INFINITI QX56 AND MODEL YEAR 2005-2006 FRONTIER, PATHFINDER AND XTERRA VEHICLES. THE INTELLIGENT POWER DISTRIBUTION MODULE (IPDM) ASSEMBLY CONTAINS AN ENGINE CONTROL MODULE (ECM) RELAY THAT HAS A DIODE FOR ELECTRICAL CURRENT NOISE REDUCTION. THE ECM RELAY MAY ALLOW SILICON VAPOR TO FORM AND, OVER TIME, THE SILICON EVAPORATES FROM…
Remedy: DEALERS WILL REPLACE THE ECM RELAY INSIDE THE IPDM ASSEMBLY. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON DECEMBER 6, 2010. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261.
Reported October 28, 2010. View on NHTSA
10E019000: SUSPENSION:FRONT:CONTROL ARM:LOWER ARM
NISSAN IS RECALLING CERTAIN FRONT AND REAR LOWER LINKS, P/NOS. 54501ZQ00A, 54500ZQ00A, 551A1ZQ00A, 551A0ZQ00A , 54501EA00A, 54500EA00A, 551A1EA500, 551A0EA500, 54501ZR00A, AND 54500ZR00A, SOLD BETWEEN NOVEMBER 25, 2009 AND MAY 14, 2010 AS REPLACEMENT PARTS FOR MODEL YEAR 2004 THROUGH 2010 TITAN, ARMADA, AND QX56, AND MODEL YEARS 2005 THROUGH 2010 FRONTIER, XTERRA, AND PATHFINDER VEHICLES. THE…
Remedy: NISSAN WILL NOTIFY OWNERS AND DEALERS WILL REPLACE ANY AFFECTED LOWER LINK FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JULY 12, 2010. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261.
Reported May 20, 2010. View on NHTSA

Data sources

EPA fueleconomy.gov · retrieved October 17, 2026 · US Government public data
NHTSA vPIC · retrieved October 17, 2026 · US Government public data

Source checked: October 17, 2026

Data verified: October 17, 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.

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Frequently asked questions

What engine does the 2004 Infiniti QX56 have?

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

What is the fuel economy of the 2004 Infiniti QX56?

Combined fuel economy is 14 mpg (16.8 L/100 km), as published by the source shown in the specification table.

Is the 2004 Infiniti QX56 front-wheel, rear-wheel or all-wheel drive?

Drivetrain: Varies by configuration: RWD, AWD.

Are there recalls for the 2004 Infiniti QX56?

NHTSA lists 2 recall campaigns for this model year (last checked October 17, 2026). Details are in the Recalls section.