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2005 Infiniti QX56 4WD

The 2005 Infiniti QX56 4WD is a 315-hp 5.6-liter V8 with a 5-speed automatic w/od, tow/haul mode, gated floor shifter and all-wheel drive. It starts at $52,050 MSRP.

It makes 315 horsepower at 4,900 rpm and 390 lb-ft of torque at 3600 rpm.

The QX56 measures 206.9 inches long on a 123.2-inch wheelbase.

Spec Value
Vehicle
Body TypeSUV
PowertrainGas
Price
MSRP$52,050 ($86,617 *)
Engine
Engine Type5.6L DOHC V8 (VK56DE)
Displacement5.6 L
Horsepower315 hp @ 4,900 rpm
Torque390 lb-ft @ 3600 rpm
ValvetrainDOHC, 32-valve
Drivetrain
Drive TypeAll-wheel drive (RWD/4H/4LO modes, part-time electronic transfer case)
Differential TypeDana front and rear axles; Vehicle Dynamic Control (VDC) w/ Active Brake Limited-Slip (ABLS)
Transmission
Transmission5-speed automatic w/OD, tow/haul mode, gated floor shifter
1st Gear3.83
2nd Gear2.37
3rd Gear1.52
4th Gear1
5th Gear0.83
Reverse2.61
Final Drive3.36
Fuel Economy
Tank Capacity28 gal
Suspension
Front SuspensionDouble-wishbone, independent, w/ front stabilizer bar
Rear SuspensionDouble-wishbone, independent, auto-leveling air suspension, w/ rear stabilizer bar
Turning Diameter41 ft
Brakes
Front Brake Disc12.60 in x 1.02 in
Rear Brake Disc12.60 in x 0.55 in
Tires & Wheels
Wheels Front18x8J alloy
Wheels Rear18x8J alloy
Tires FrontP265/70R18
Tires RearP265/70R18
Dimensions & Weight
Length206.9 in
Width78.8 in
Height77 in
Wheelbase123.2 in
Front Track67.5 in
Rear Track67.5 in
Ground Clearance10 in
Cargo Volume97.1 ft³
Interior
Headroom Front41 in
Headroom Rear40 in
Legroom Front41.8 in
Legroom Rear41.9 in
Shoulder Room Front65.1 in
Shoulder Room Rear64.5 in
Hip Room Front61.3 in
Hip Room Rear60.1 in
* Amount adjusted for inflation to 2026 dollars

Safety & Recalls

NCAP safety ratings

Tested, but no star ratings were published (2005 Infiniti QX56 4-DR w/SAB).

Recalls

4 recalls on file with NHTSA for the 2005 Infiniti QX56. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.

Oct 28, 2010 · 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 THE DIODE MOLDING WHICH CAUSES SILICON OXIDE TO DEVELOP ON THE ECM RELAY CONTACT DUE TO ARCING.

Consequence: THIS COULD CAUSE ENGINE STALLING INCREASING THE RISK OF A CRASH.

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.

NHTSA campaign 10V517000

May 20, 2010 · 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 LOWER CONTROL LINK ASSEMBLY HAS TWO CYLINDRICAL COLLARS FORMING THE INBOARD ATTACHMENT POINTS TO THE CHASSIS. DUE TO AN IMPROPER WELDING PROCESS SOME COLLARS MAY CONTAIN WELDS THAT DO NOT MEET STRENGTH SPECIFICATIONS.

Consequence: IF THE COLLAR WELD SEPARATES, THE VEHICLE HANDLING WILL DETERIORATE, POSSIBLY RESULTING IN A VEHICLE CRASH.

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.

NHTSA campaign 10E019000

Mar 3, 2010 · FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

NISSAN IS RECALLING CERTAIN MODEL YEAR 2005-2009 TITAN, ARMADA, AND INFINITI QX56 VEHICLES. THE INSTRUMENT PANEL FUEL GAUGE MAY INACCURATELY DISPLAY THAT THE VEHICLE STILL HAS SOME FUEL, TYPICALLY ABOUT ONE QUARTER TANK, WHEN THE FUEL TANK IS EMPTY.

Consequence: THIS COULD CAUSE THE VEHICLE TO RUN OUT OF GAS AND STALL ON THE HIGHWAY, WHICH COULD CAUSE A CRASH.

Remedy: DEALERS WILL REPLACE THE FUEL SENDER UNIT INSIDE THE FUEL TANK WITH A NEW IMPROVED SENDER CARD. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 22, 2010. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261.

NHTSA campaign 10V074000

Jun 27, 2008 · EQUIPMENT:APPLIANCE:AIR CONDITIONER

NISSAN IS RECALLING 180,664 MY 2005-2006 TITAN, ARMADA AND INFINITY QX56 VEHICLES MANUFACTURED AFTER MARCH 17, 2005, THAT ARE EQUIPPED WITH A VISTEON AIR CONDITIONING CONDENSER FAN MOTOR. THE FAN MOTOR MAY NOT BE PROPERLY SEALED ALLOWING EXCESSIVE WATER INTRUSION AND INADEQUATE DRAINAGE OF MOISTURE.

Consequence: THIS COULD CAUSE CORROSION IN THE MOTOR LEADING POSSIBLY TO OVERHEATING AND A FIRE.

Remedy: DEALERS WILL INSTALL A 'THERMAL PROTECTOR KIT' AND TEST THE AIR CONDITIONING CONDENSER FAN MOTOR AND REPLACE IT IF NECESSARY. THE RECALL BEGAN ON AUGUST 2, 2008. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261.

NHTSA campaign 08V284000

80 owner complaints to NHTSA for the 2005 Infiniti QX56

Owner Complaints

80 owner complaints filed with NHTSA for the 2005 Infiniti QX56 (2 mention a crash, 2 an injury). See all on nhtsa.gov

Most-cited areas
Service Brakes34
Fuel System14
Fuel/Propulsion System12
Gasoline11
Hydraulic9
Electrical System7
A complaint can cite more than one area.
Most recent complaints
Nov 14, 2024 · Steering, Service Brakes
“I started to break saw a major traffic jam . And my steering started shaking and my breaks did not Stop like they're supposed to.almost was i huge crash w I th my [XXX] and [XXX] old INFORMATION…”
Nov 7, 2022 · Fuel System, Other
“The contact owns a 2005 Infiniti QX56. The contact stated that while driving approximately 75 MPH, the vehicle lost motive power and stalled. The vehicle was later towed to the residence where it was…”
Jan 4, 2021 · Steering, Electrical System, Service Brakes
“THE VEHICLE WILL LOSE POWER TO THE BRAKES WHILE DRIVING INTERMITTENTLY. WHEN PROBLEM OCCURS YOU WILL LOSE POWER STEERING AND PRESSURE TO BRAKING SYSTEM. ALSO THE DRIVER HID HEADLAMP GETS MOISTURE IN…”
Aug 13, 2020 · Service Brakes
“DRIVING 30 MPH IN MANHATTAN NEW YORK CAME TO A RED LIGHT PRESSED BRAKE PEDAL FELT NO BRAKES PUMPED BRAKES FELT LIKE THERE WAS LITTLE TO NO BRAKING ABS LIGHT CAME ON SO DID BRAKE LIGHT RAN THROUGH THE…”
Jun 26, 2020 · Electrical System, Exterior Lighting, Engine
“WHILE DRIVING IN RESIDENTIAL/BUSINESS AREA MY VEHICLE COMPLETELY LOST POWER AND TURNED OFF. I DRIFTED TO THE SIDE OF THE ROAD WITHOUT POWER STEERING. TRIED TO START VEHICLE AGAIN. VEHICLE WOULD START…”

Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.

Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2005 INFINITI QX56. US-market vehicles only; data cached for up to 7 days.

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