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Sept 2005
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2005 Infiniti QX56

The GoodJ  Bold exterior looks.  Very large interior.  Luxurious materials and comfortable large seats.  Advanced features like DVD navigation system, laser cruise control.  Silent.  Powerful.  Easy to control. 

The BadL  Seats should be powered for folding operations.  Need for front radar sensors as well as the standard rear. 

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            "Luxury in a grand scale".  Take a look at the QX56 window sticker and you find not only price, features, and fuel economy estimates, but this statement, at the very top.  Nissan's Infiniti luxury division has been setting record sales as automakers compete in an every luxurious market.  Just in August, Infiniti sales were up 5.1% as compared to the prior year, as more and more buyers hunger after more luxury in their vehicles.  The market for the super large SUV is limited with only a few luxurious models available right out of the factory, with the QX56 being one of these very few. 

            If you want the ultimate large SUV experience, with seating for seven to eight, go anywhere capability, and want the feeling of soft leather and high gloss wood, and the capability to tow a even larger yacht, the QX56 is the perfect SUV.

"In the short amount of time that the QX56 has been on sale, it's made a tremendous impact on the full-size luxury SUV segment," said Mark Igo, vice president and general manager, Infiniti Division.  "The biggest unmet need in the luxury SUV category is for refined dynamics, the sense that even though these are full-size, fully capable vehicles they shouldn't ride and look like trucks".

Exterior dimensions are large, with 206.9 inches of length, the QX56 stands tall and wide.  Jewel-like Xenon headlamps are located lower in the front fender, giving a resemblance to an 18-wheeler semi truck.  The large 18-inch wheels and beefy tires enhance the taut, athletic stance of the QX56, with chrome adding a touch of bling-bling to the wheels, door handles, and exterior mirrors.  Standard body side cladding and running boards complement the QX56's sophisticated luxury.  A distinctive power-operated liftgate with opening rear glass and a large bumper with integrated towing hardware complete the rear exterior appearance.  We especially liked the large chrome door handles on the gigantic front doors giving a strong feeling to the owner each time he or she drives the QX56.  All this does not even mention the sheer size of the QX, its 206.9 inches in length and stands tall and wide as well. 

The opulent interior is swathed in soft leather and high gloss light wood.  Look at the carpet and you find thick 16 oz Tuscano carpeting, noticeably better than what is found on most vehicles.  The interior is large and spacious, where you can easily sit cross-legged in the first and second row.  Large windows allow you to see out with a commanding view.  The high seating position also provides good leg support.  The standard seating configuration includes fold-flat 2nd row captain's chairs with integrated armrests, removable 2nd row center console and fold-flat 3rd row bench seat.  A fold-flat 2nd row bench seat is also available, providing 8-passenger seating if desired.  The front seats feature 10-way power adjustment for the driver and 8-way power adjustment for the passenger, while both the front and 2nd row seats are heated.  The front passenger seat folds down and includes a recessed work area.  The QX56 also offers 2nd row legroom of 41.9 inches and large front center console storage capacity.  The third row bench seat folds flat easily but is quite heavy to pull upright again.  With both second and third row folded along with the front passenger seat folded it is possible to carry very long items with the rear hatch closed. 

The instrument cluster is typical of Infiniti vehicles with a standard setting signature Infiniti analog clock, standard DVD based navigations system with a 7- inch LCD screen up high in the center console.  A rear backup camera is also shown through this screen each time you select reverse gear.  The instrument panel is electronically lighted using what Infiniti calls Fine Vision illumination, basically its orange in color.  The standard Bose audio system sounds very good and included is a 6-disc in-dash CD changer.  It even allows you to listen to radio and CD functions at the same time using headphones in back.  Also found in the information system is tire pressure monitors which show you that everything is ok in all four wheels.  Trip data is also shown in typical Infiniti graphics providing fuel economy data and average miles per hour.  The great NAV system allows you to customize the icons and offers a birds eye view as well as the standard flat map mode.  The navigation system does not work fully unless you are stopped and we found this to be an awful feature especially when we had a co-pilot along on most routes.

Foot pedals are adjustable and stored in driver memory.  Our tester also featured the overhead DVD entertainment system with monitor and wireless headphones with remote control.  Ventilation system controls are easy to understand with dual zones up front as well as plenty of air ducts in back for the second and third row.  We were quite comfortable in any row we sat in.  Rear third row windows also are powered to open and vent the cabin.  When reversing we would also have liked both rear mirrors to look downward.  All interior parts feel very solid except for the sunroof shade and the movement of the shift lever, these items could be improved.

The QX features a powerful 5.6 liter V8 engine producing 315 horsepower and 390 lb.-ft. of torque.  Advanced design features such as aluminum block with cast iron cylinder liners, forged steel crankshaft, micro-finished crankshaft and camshafts, molybdenum-coated pistons, 6-bolt main bearing caps, single-stage timing chain and, for precise control, an electronic "drive-by-wire" throttle all make this a smooth and powerful engine.  Fuel economy in our range of testing came in at 14 miles per gallon.  The feeling behind the wheel is of a light and controllable vehicle.  Power is available quickly and fast.  Passing cars is easily done with almost 400 pounds of torque.  Cruising at triple digits is also easy to do and very quiet, its time to change speed limits across the country. 

The 2005 QX56 is available in two drive configurations, rear-wheel drive and an all-wheel drive model.  The two-speed electronic transfer case allows the driver to select between auto, full-time all-wheel drive and 4LO.  A gated floor shifter provides enhanced shift control when towing.  The transmission's tow/haul mode revises the shift pattern when towing and hauling.  The QX56 has a maximum towing capacity of 9,000 pounds for RWD and 8,900 pounds for AWD.  Up to 50 percent of available torque can go to the front wheels on demand as road conditions warrant.  Under normal driving conditions the system operates as a rear wheel drive vehicle. 

The exceptionally comfortable and yet controllable ride comes from the Infiniti four wheel independent suspension with auto leveling rear air suspension. The 2005 QX56 also features standard engine-speed-sensitive power-assisted rack-and-pinion steering, leading to responsiveness and good feel.  Body lean and sway is evident but much more under control than we would expect.  Set the intelligent laser cruise control and the car almost drives it self, staying a good preset distance away from cars in front of you.  If only it would work in the normal traffic jams on local highways. 

Safety features abound with standard curtain airbags for all three rows, side impact airbags on the front seats, as well as front dual airbags.  Being so high you are unlikely to be hid directly from the side as in a car.  Antilock Brakes by Bosch, Electronic brake force distribution and brake assist all add to safety.

 

 

PRICING INVOICE RETAIL
Base Pricing 48,271 52,550
Destination 700 700
V01 Entertainment System, DVD 1,379 1,600
J01 Moon Roof, Power Glass 1,034 1,200
A97 Radio Equipment, Sirius Satellite 345 400
U01 Speed Control, Adaptive 689 800

 

  2006 Infiniti QX56
4dr SUV 4WD (5.6L 8cyl 5A)
2006 Lexus LX 470
4dr SUV 4WD (4.7L 8cyl 5A)
2006 Lincoln Navigator
Ultimate 4dr SUV 4WD (5.4L 8cyl 6A)
2005 Cadillac Escalade ESV
AWD 4dr SUV (6.0L 8cyl 4A)
Manufacturer Info QX56 LX 470 Navigator Escalade ESV
Pricing QX56 LX 470 Navigator Escalade ESV
MSRP $52,550 $66,995 $55,285 $58,805
Invoice $48,271 $58,283 $49,661 $53,807
Warranty QX56 LX 470 Navigator Escalade ESV
Basic 4 yr. / 60000 mi. 4 yr. / 50000 mi. 4 yr. / 50000 mi. 4 yr. / 50000 mi.
Base Engine Type & Cylinders V8 V8 V8 V8
Base Engine Displacement 5.6 liters 4.7 liters 5.4 liters 6.0 liters
Horsepower 315 hp @ 4900 rpm 275 hp @ 5400 rpm 300 hp @ 5000 rpm 345 hp @ 5200 rpm
Torque 390 ft-lbs. @ 3600 rpm 332 ft-lbs. @ 3400 rpm 365 ft-lbs. @ 3750 rpm 380 ft-lbs. @ 4000 rpm
Driven Wheels four wheel drive four wheel drive four wheel drive all wheel drive
Active Suspension Not Available Standard Not Available Standard
Self Leveling Suspension Standard Standard Standard Standard
Tires P265/70R18
all season
P275/60HR18
all season
P255/70R18
all season
P265/70R17
all season
Xenon Headlights Standard Not Available Optional Standard
Turning Circle 41 ft. 39.7 ft. 38.7 ft. 43.3 ft.
Max. Cargo Capacity 61 cu. ft. 90 cu. ft. 105 cu. ft. 132 cu. ft.
City 13 mpg. 13 mpg. 13 mpg. 13 mpg.
Highway 18 mpg. 17 mpg. 18 mpg. 17 mpg.
Length 206.9 in. 192.5 in. 207.5 in. 221.4 in.
Width 78.8 in. 76.4 in. 78.7 in. 79.5 in.
Height 77.8 in. 72.8 in. 77.8 in. 75.7 in.
Weight 5714 lbs. 5590 lbs. 5842 lbs. 5820 lbs.
Wheel Base 123.2 in. 112.2 in. 118.8 in. 130 in.
Ground Clearance 10.8 in. 9.8 in. 9.5 in. 10.7 in.
Interior QX56 LX 470 Navigator Escalade ESV
Front Headroom 41 in. 39.1 in. 39.6 in. 40.7 in.
Rear Headroom 40 in. 38.9 in. 39.7 in. 39 in.
Front Shoulder Room 65.1 in. 61.3 in. 63.3 in. 65.2 in.
Rear Shoulder Room 64.5 in. 61.1 in. 63.4 in. 65.1 in.
Front Hip Room 61.3 in. 58.6 in. 57.9 in. 61.4 in.
Rear Hip Room 60.1 in. 57.9 in. 58 in. 61.6 in.
Front Leg Room 41.8 in. 42.3 in. 41.2 in. 41.3 in.
Rear Leg Room 41.9 in. 34.3 in. 38.7 in. 39.1 in.
Maximum Luggage Capacity 61.2 cu.ft. 19.1 cu.ft. 18.3 cu.ft. 45.7 cu.ft.

 

ENGINE

 

Type

ZH-2 (VK56DE)

Orientation

Longitudinally-mounted

Cylinders / configuration

V8

Block / head composition

Aluminum / aluminum

Displacement

5.6 liters

Horsepower

315 @ 4,900 rpm

Torque

390 lb-ft @ 3,600 rpm

Bore x stroke (mm)

98 x 92

Compression ratio (:1)

9.8

Induction system

Naturally aspirated

Valvetrain

DOHC 32 valve; silent chain, single stage

Mounts

Standard (no fluid-filled)

Recommended fuel

Premium unleaded

Emission certification level

Tier2-Bin8z (EPA) / LEV1-ULEV (Cal)

Exhaust

Single exit/main and secondary mufflers

ELECTRICAL

 

Electronic ignition system

S

 

 

Starter rating                                                          12 volt

110 amp alternator

Battery               710 Cold-Cranking Amps (CCA)

Trailer towing 7 pin trailer harness plug with connector

DRIVETRAIN

RWD

AWD

Drive configuration

RWD and AWD

Transmission type

Automatic; 5-speed with overdrive

Automatic transmission oil cooler

S

Gear ratios (:1)

RWD

AWD

                                                                 

1st

3.827

3.827

2nd

2.368

2.368

3rd

1.520

1.520

4th

1.000

1.000

5th

0.834

0.834

Reverse

2.613

2.613

Final drive ratio (:1)

2.937

3.357

Transfer case / crawl ratios                                      

                                                                 Axle

                                                         AWD high

                                                          AWD low

                                                Crawl ratio: 1st

                                               Crawl ratio: 2nd

                                          Crawl ratio: reverse

 

2.937

3.357

-

1.000

-

2.596

11.240

12.85/33.35

6.955

7.95/20.64

2.04

2.33/6.05

         

BRAKES

O Optional   S Standard     P Included in Package

Front:  Vented disc 320mm x 26mm

S

Rear:  Vented disc 320mm x 14mm

4-wheel disc brakes

4-wheel Anti-lock Braking System (ABS)

Brake Assist (BA)

Electronic Brake Force Distribution (EBD)

Vehicle Dynamic Control (VDC)

 

 

SUSPENSION AND STEERING

 

Front suspension

Double wishbone

Front stabilizer bar

S

Rear suspension

Double wishbone independent

Rear stabilizer bar

S

Auto leveling rear suspension

S

Steering type

Rack-and-pinion

Power assisted

Engine speed-sensitive

Steering ratio (:1)

19.5

Turns (lock-to-lock)

3.6

Turning diameter (curb-to-curb)

41 ft

 

 

BODY/CHASSIS

RWD

AWD

Body type

Body-on-frame (F-Alpha)

Primary materials

Corrosion-resistant and high-strength steel

Skid plates                                    Transfer case

                                                             Oil pan

                                                         Fuel tank

-

S

-

S

-

S

WHEELS AND TIRES

RWD

AWD

Wheels

18-inch x 8.0J chromium aluminum-alloy wheels (7 spoke)

S

Tires

P265/70R18 BSW Conti-Trac SUV tires

S

Conventional spare tire and matching wheel

                                                           Location

S

Behind rear axle

Tire Pressure Monitor System 

                         w/ warning lamp in Navi display

S

S

EXTERIOR FEATURES AND OPTIONS

 

Body color front and rear bumpers, center section and rear door handles

S

Chrome body side moldings, grille and front door handles

Headlights                                                 Type

                                               Automatic on/off

                                                         Fog lights 

Xenon HID

S

S

EXTERIOR FEATURES AND OPTIONS, CONT.

 

Glass                                                Windshield

                    Driver and front passenger window

                                                Rear door glass

                                       Rear quarter windows

                                                     Rear liftgate

Tinted

Tinted

Privacy glass

Privacy glass

Privacy glass

Wipers                                     Front windshield

                                                     Rear liftgate

Speed sensitive variable intermittent

Intermittent with washer

Roof              Front power tilt/slide glass sunroof

Roof rack (body color)                          Side rails

                                                        Cross bars

O

S

Fixed front and adjustable rear crossbar

INTERIOR FEATURES AND OPTIONS

RWD

AWD

10-way power driver's seat

S

8-way power passenger's seat

Heated front seats

Heated 2nd row seats

Driver and passenger head restraints

Fold-flat passenger, 2nd and 3rd row seats

Driver and passenger seat back pockets

Tip-up device for 3rd row ingress/egress

Cupholders

       4 on front center console

       2 on 2nd row center console

       2 on luggage trim

12V power points

       2 I/P mounted

       1 in rear of front center console

       1 on luggage trim panel

Steering wheel

       3-spoke leather/wood w/ cruise control and

       audio switches with power tilt

 

 

AUDIO SYSTEM

 

Bose with AM/FM/CD6, 10-speakers, including subwoofer; dual media

S

DVD Navigation system

Rear audio controls

Steering wheel controls:                          AUDIO

                                                               ASCD

Antenna                          In-glass audio antenna

                                 In-glass diversity antenna

DVD Entertainment system with 1 display screen              in overhead console, 2 sets of wireless                     headphones, video port on DVD unit in console

O

INSTRUMENTATION

 

Speedometer

S

Tachometer

Engine temperature

Oil pressure

Volts

Auto Trans Temperature Gauge

Tire pressure warning

Shift Position Indicator

Tire pressure display in Navi screen

4WD Indicator/Warning

S on 4WD

Intelligent Cruise Control

O

COMFORT AND CONVENIENCE

FEATURES

 

 

Cruise control w/ steering wheel mounted controls

S

Driver/front passenger-side one-touch auto-up/down power windows with safety reverse feature

LH & RH power rear windows with one-touch auto-up/down with safety reverse feature

Power rear vent windows

Power adjustable foot pedals with memory

Power door locks with illuminated switches, with anti-lockout feature

Power operated rear liftgate

Remote keyless entry

Overhead console

    W/o sunroof map lamps, sunglasses holder

       and storage bins

    W/ sunroof map lamps and sunglasses

       holder

RearView mirror auto day/night with UGDO mirror

Air conditioning with 3-zone temperature control (front row dual zone automatic, 2nd row non-automatic)

Intelligent Cruise Control

O

SAFETY AND SECURITY FEATURES

Air bags (SRS)

   Driver w/Advanced Air Bag Tech (AABT)

   Passenger w/ Advanced Air Bag Tech (AABT)

   Driver and passenger front-seat side air bags

   Curtain air bags for side impact and                        

      rollover protection including  1st, 2nd, 3rd 

      row coverage

 

Front row

    3-point seat belts with ELR/ALR with dual pretensioners and load limiters (driver ALR only)

2nd row

    3-point RH, LH, CTR* with A/ELR

    *Center position included with optional 2nd row bench seat

3rd row

    3-point for RH, LH, CTR with A/ELR

LATCH and upper tether anchor for 2nd & 3rd row outer positions

Child safety rear door locks

Power window lockout button (driver switch)

Infiniti Vehicle Immobilizer System

Vehicle Security System

Steering column lock

Energy-absorbing steering column

Front and rear crumple zone body

Hood buckling creases

Knee bolsters

Body side reinforcements

Shift interlock system

EXTERIOR DIMENSIONS (inches)

RWD

AWD

Wheelbase

123.2

Overall length

206.9

Overall width

78.8

Overall height w/ roof rack

77.0

77.7

Front track width

67.5

Rear track width

67.5

Angle of approach (degrees)      with aero spoiler

27.6

29.4

Angle of departure (degrees)         with tow hitch

21.6

22.5

Ground clearance                       with front cover

10.03

10.77

Step in height 1st row

21.1

21.9

Step in height 2nd row

21.6

22.5

       

INTERIOR DIMENSIONS (inches)

RWD

AWD

First row

 

     Head room

41.0

     Head room with sunroof

39.7

     Shoulder room

65.1

     Hip room

61.3

     Leg room

41.8

Second row

 

     Head room

40.0

     Shoulder room

64.5

     Hip room

60.1

     Leg room

41.9

Third row

 

     Head room

35.9

     Shoulder room

63.7

     Hip room

48.8

     Leg room

32.2

CURB WEIGHTS

RWD

AWD

Curb weight (lbs.)

5,360

5,631

Weight distribution

50/50

51/49

GVWR (lbs.)

6,800

7,100

CAPACITIES

 

Seating capacity

7 - with 2nd row captain chairs

8 - with 2nd row bench seat package

Interior volume (cu. ft.)

188.4

Cargo volume (cu. ft.)

61.2

Fuel tank (gals.)

28.0

Engine oil (qts.)

7.0

Engine coolant (qts.)

12.8

Towing Capacity (lbs.)

9,000

8,900

Tongue

900

890

2005 EPA MILEAGE ESTIMATES (actual mileage may vary)

RWD

AWD

City                                                                  

13

13

Highway                                                           

19

18

EPA classification

TWC (test weight class) RWD 5,500 lbs.; AWD 6,000 lbs.

MODELS, PACKAGES AND OPTIONS

RWD

AWD

2nd Row Split Bench Seat: includes split bench 2nd row seat

O

Infiniti DVD Mobile Entertainment System: Power sunroof (tilt, slide), DVD entertainment system, video port (center console), 2 wireless headphones, DVD changer

Power Sunroof: power sunroof with tilt and slide options

Intelligent Cruise Control: Power sunroof (tilt, slide) and Intelligent Cruise Control

 

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