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2006 Infiniti QX56 4WD

The 2006 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 four-wheel drive. It starts at $53,600 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$53,600 ($86,409 *)
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 TypeFour-wheel drive (INFINITI All-Mode 4WD, RWD/4HI/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

Overall Not rated
Frontal crash Not rated
Frontal – driver ★★★★★
Frontal – passenger ★★★★★
Side crash Not rated
Rollover ★★★★★ (21.9 % risk)
Tested variant: 2006 Infiniti QX56 4-DR w/SAB

Recalls

4 recalls on file with NHTSA for the 2006 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

79 owner complaints to NHTSA for the 2006 Infiniti QX56

Owner Complaints

79 owner complaints filed with NHTSA for the 2006 Infiniti QX56. See all on nhtsa.gov

Most-cited areas
Service Brakes58
Hydraulic11
Electrical System8
Power Train7
Engine6
Exterior Lighting4
A complaint can cite more than one area.
Most recent complaints
Jul 23, 2023 · Air Bags, Unknown Or Other
“Air bag not working, horn not working properly. And other functions. Was told clock spring needs to be replaced.”
Sep 14, 2022 · Service Brakes
“Brake Failure. The brake fails occasionally while driving on the streets or on the Highways without Waring. The brake pedal goes down to the floor, and grinding/hitting metal to metal sound is heard…”
Apr 14, 2021 · Engine, Fuel/Propulsion System
“MY VEHICLE STALLING ALL TIME WHICH IS VERY DANGEROUS ESPECIALLY WHEN I M DRIVING ON HIGHWAY . MORE THAN 10 TIMES I ALMOST CRASH MY VEHICLE.”
Nov 18, 2020 · Service Brakes
“2006 INFINITI QX56, HAD BACK BRAKES AND ROTORS REPLACED IN OCTOBER 2020, 2 WEEKS LATER I'M DRIVING, FLAT SURFACE, NICE DAY, APPLIED BRAKES, MY PEDAL WENT TO FLOOR, NO RESISTANCE, I HEARD A GRINDING…”
Sep 10, 2020 · Electrical System, Service Brakes
“SUV WILL HAVE TROUBLE BRAKING, EMITTING A LOUD, GRINDING NOISE WHEN BRAKES ARE APPLIED. DIFFIULTY STOPPING. ALMOST CAUSED A WRECK TWICE NOW. ONCE VEHICLE IS TURNED OFF AND BACK ON, THE SITUATION SEEMS…”

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 2006 INFINITI QX56. US-market vehicles only; data cached for up to 7 days.

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