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Press Pass 2004

Infiniti's Luxury SUV: The QX4
By Nissan North America Corporate Communications Department
Aug 18, 2003, 12:01 PST
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2003 Infiniti QX4 Offers Innovation and Luxury – Including

 

a Refined Interior and Advanced All-Mode 4WD® System

 

 

Since the Infiniti QX4 was first introduced as a 1997 model, it has been known as an incredibly well thought out, exceptionally comfortable luxury sport utility vehicle (LSUV).  Its advanced design features have included the performance of its innovative All-Mode 4WDÒ system, its rigid MonoFrameÒ construction and an extensive list of luxury conveniences and amenities – with the added comfort of one of the industry’s leading customer service and support programs, The Total Ownership ExperienceÒ.

For 2003, QX4 receives key packaging enhancements, including the addition of previous Premium Package features as standard equipment.  This includes 17-inch wheels and tires, a leather/genuine wood steering wheel, driver’s seat memory and steering wheel mounted audio control switches.  One new exterior color is offered for the new model year.

 “The QX4 continues to offer the heart of a rugged, authentic off-roader with the soul of a true luxury vehicle,” said Mark McNabb, vice president and general manager, Infiniti Division.  “For 2003, there are more standard luxury features, enhancing the value of an already great luxury SUV package.”

 

 

Crisp Exterior, Elegant Interior Design

QX4’s elegant styling has been enhanced for the 2003 model year with available chrome-finished aluminum-alloy wheels and one new exterior color – Diamond Graphite.

QX4 comes standard with a distinctive headlight design featuring High Intensity Discharge (HID) xenon headlights with auto on/off feature, integrated fog lights and turn signals.  Other exterior features include 17-inch aluminum-alloy wheels, a full-size spare tire with matching alloy wheel, dual body-color power remote-controlled heated outside mirrors, black privacy glass, variable intermittent rear liftgate glass wiper, integrated fender flares, splash guards and step rails with slip-resistant inserts. 

Inside, the QX4 features a 6-speaker 150-watt Bose® audio system with AM/FM/cassette, 6-disc in-dash CD player, Radio Data System (RDS) and steering wheel-mounted audio controls.

QX4 offers a wide array of luxury and convenience features including a genuine wood and leather-wrapped steering wheel, leather-appointed seats, leather-wrapped gearshift knob and parking brake lever, genuine Bird’s Eye maple wood trim, power door locks with selective unlocking, retained accessory power function for the sunroof (optional) and power windows, advanced 6-way remote keyless entry system, an 8-way adjustable power driver’s seat/4-way power front passenger’s seat, available heated rear seats, 60/40 split fold-down and reclining rear seatback design, fold-down center armrest, front and rear dual cup holders with front cover, HomeLinkÒ Universal Transceiver and rear 12-volt power outlets.

QX4 also includes an ergonomically designed instrument panel highlighted by easy-to-read electro-fluorescent gauge cluster illumination, an integrated quartz analog clock, digital Automatic Temperature Control with CFC-free air conditioning, overhead console with compass and outside temperature display and an available Infiniti Mobile Entertainment System - a rear seat entertainment system with video cassette player or DVD player and flip-down 6.4-inch ceiling mounted LCD screen which plays through wireless headphones or the BoseÒ audio system.   

 

 

Optional is an Infiniti Navigation System with a 5.8-inch LCD screen, 3-D BirdviewÔ display.  The three-dimensional Birdview map display features an easy-to-read rolling display of roads, buildings and other points of interest in addition to the traditional intersection/flat plane map images.

The 2003 QX4 is available in two interior colors, Graphite or Stone Beige.  Each interior color is complemented by color-specific genuine Bird’s Eye Maple wood-tone trim.

 

 

A Powerful 240-hp V6, an Advanced 4WD System, and Intelligent Cruise Control           

QX4’s technologically advanced 3.5-liter DOHC V6 produces 240 horsepower at 6,000 rpm and 265 lb-ft of torque at 3,200 rpm.  This engine is part of the same engine family that was named one of the ‘Ten Best Engines’ in the world nine consecutive years by Ward’s Auto World magazine.

Among the advanced systems found in this engine are continuous valve timing control, a variable intake system, a lightweight piston design, an aluminum-alloy block, electronic throttle control system, 100,000-mile service interval platinum-tipped spark plugs and extensive noise, vibration and harshness countermeasures.  An engine cover provides a clean engine compartment appearance.

All 2003 QX4s are equipped with an electronically controlled 4-speed automatic transmission with overdrive.  The transmission features Infiniti’s advanced integrated transmission controller for seamless shifting.

The QX4 is available in 2-wheel drive or 4-wheel drive, featuring Infiniti’s advanced All-Mode 4WD system.  The All-Mode 4WD system provides a superior driving experience on and off the pavement, utilizing all-wheel drive technology derived from Nissan’s world-class Skyline GT-R sports coupe (rather than traditional truck-based systems).  All-Mode 4WD was designed to instantly distribute torque to the front wheels (up to 50 percent can go to the front wheels on demand) resulting in optimal traction with improved fuel economy and enhanced cornering capability.

All QX4s are built with rigid MonoFrame construction, providing a stable platform, reduced noise and vibration, improved ride and handling and excellent body fit.  The QX4’s advanced suspension offers the best of both on-road comfort and off-road durability.  The independent front strut design provides exceptional driving feel, enhanced stability, a tight turning radius and a long stroke for exceptional suspension travel, which helps each wheel maintain contact with the ground over uneven terrain.

The 5-link coil-spring rear suspension provides long suspension travel, enhanced stability and control of body lean, along with reduced noise and vibration.  Stabilizer bars are featured front and rear for improved handling, while vehicle-speed-sensitive rack-and-pinion steering provides precise control and driver feedback.

Braking is provided by power-assisted front vented disc brakes and rear drum brakes working in conjunction with a load-sensing brake valve to determine how much weight is inside the vehicle.  A special G-sensor, which measures the deceleration rate of the vehicle, interacts with the ABS control unit to help ensure that ABS does not interfere with braking during low-speed, extreme angle off-road maneuvers.

Optionally available is Infiniti’s advanced Intelligent Cruise Control, a system shared with the Q45 flagship sedan.  The system adjusts the vehicle’s speed and distance to traffic in front of the car when the cruise control is operated and reacts to traffic speed changes far faster that a driver can, increasing the safety margin for the QX4 driver and passengers.  This system combines laser sensors, throttle and brake actuators, keeping a constant distance between the QX4 and cars ahead.

 

 

Safety and Security

The 2003 QX4 includes a long list of standard safety equipment including front seat active head restraints, which help to minimize head movement at impact to help reduce whiplash and other more serious injuries in certain rear-end collisions, dual front supplemental air bags, dual front seat side-impact supplemental air bags, front seat belts with adjustable upper anchors, pretensioners and load limiters, three-point rear outboard passenger seat belts, child-safety rear door locks and a child seat anchor with three tether points.  For 2003, a LATCH (Lower Anchors and Tether for CHildren) child seat anchor system has been added as standard on all QX4s.

Driver and passenger confidence is accentuated with an extensive list of vehicle-incorporated safety features including an energy-absorbing steering column, front and rear structure crumple zones, hood buckling creases with safety stops (to help avoid intrusion into the passenger compartment), special “outrigger” box-section body side reinforcements and a shift interlock system.  Also standard are a Vehicle Security System with remote keyless entry and indicator light and the Infiniti Vehicle Immobilizer System.

 

 

Model Availability

The 2003 Infiniti QX4 comes fully equipped, with a choice of 2-wheel or 4-wheel drive.  Both are complete with leather-appointed interior, automatic transmission and 150-watt Bose® audio system along with genuine wood and leather-wrapped steering wheel, steering wheel audio controls, driver’s seat with memory function and 17-inch alloy wheels.

 Options include an Infiniti Mobile Entertainment System with DVD or video cassette player and flip-down ceiling-mounted 6.4-inch LCD screen; Intelligent Cruise Control, power sliding glass sunroof with sunshade, Infiniti Navigation System and a Heated Seats Package with heated front and rear seats and limited-slip differential.

 

 

Preliminary Techhnical Specifications, Features and Options Source of Production: Nissan Motor Co., Ltd.

Assembly Plant Location: Kyushu, Japan

 

ENGINE

 

 

Type

VQ35DE DOHC 24-valve, V6, aluminum-alloy block and head

 

Displacement

3.5 liters

 

Horsepower

240 hp @ 6,000 rpm

 

Torque

265 lb-ft @ 3,200 rpm

 

Bore x stroke (mm)

95.5 x 81.4

 

Compression ratio (:1)

10.0

 

Induction system

Electronic sequential multi-point fuel injection system

 

Valvetrain

DOHC, 4 valves-per-cylinder,

hydraulic valve lifters

 

Recommended fuel

Premium Unleaded

 

Emissions system

Closed loop feedback system with 3-way catalyst

 

Exhaust

Semi-dual system

 

Maximum engine speed

6,500 rpm

 

 

 

 

 

 

 

 

 

 

 

DRIVETRAIN

2WD

4WD

Drive configuration

Front-engine, rear-wheel drive

Front-engine/All-Mode® 4-wheel drive

 

Transmission type

Electronically controlled 4-speed automatic with lockup torque converter

 

Gear ratios

1st

2.785

 

 

2nd

1.545

 

 

3rd

1.000

 

 

4th

0.694

 

 

reverse

2.272

 

Final drive ratio (:1)

 

4.363

 

Differential type

Front

Conventional

 

 

Rear

Conventional, optional limited-slip differential (4WD)

 

Transfer gear ratio (:1)

 

2.596

 

 

 

 

 

 

BODY, SUSPENSION AND STEERING

 

Body type

MonoFrameÒ construction

 

Front suspension

Independent front strut coil spring suspension with stabilizer bar

 

Rear suspension

5-link coil-spring beam rear suspension with

stabilizer bar

 

Steering ratio (:1)

18.7

 

Turning circle (curb-to-curb, in feet)

37.4

 

Turns (lock-to-lock)

3.1

 

Steering type

Engine-speed-sensitive, power-assisted rack-and-pinion steering

 

 

BRAKES

2WD

4WD

Front:  11.8” x 1.1” Power-assisted vented discs

·

·

Rear:  11.6” Power-assisted auto-adjusting drums

·

·

4-wheel/3-channel/4-sensor Anti-lock Braking System (ABS)

·

·

Electronic Brake force Distribution (EBD)

·

·

Parking Brake – center console hand lever

·

·

 

ELECTRICAL

2WD

4WD

Electronic ignition system

·

·

110 amp alternator

·

·

Low-maintenance 12-volt battery

·

·

 

WHEELS AND TIRES

2WD

4WD

17-inch aluminum-alloy wheels (8.0JJ x 17)

·

·

17-inch chrome-finished aluminum alloy wheels (8.0JJ x 17)

o

o

P245/65R17 S-rated all-season tires

·

·

P245/65R17 full-size spare tire

·

·

 

 

 

 

 

EXTERIOR DIMENSIONS (inches)

 

Wheelbase

106.3

Overall length

183.1

Overall width

72.4

Overall height

70.7 (w/ roof rack)

Step-in height (front/rear)

18.2/19.1

Tread width (front/rear)

60.6/60.8

Minimum ground clearance

8.3

Angle of approach (degrees)

30.0

Angle of departure (degrees)

28.0

Breakover Angle (degrees)

28.0

Coefficient of Drag (Cd)

0.48

 

 

 

 

 

EXTERIOR FEATURES AND OPTIONS

2WD

4WD

Automatic on/off High Intensity Discharge (HID) xenon headlights with manual levelizer

·

·

Fog lights with integrated turn signals

·

·

Green-tinted windows with dark upper band windshield and front door glass

·

·

Dual power remote-controlled, body-color, heated outside mirrors with anti-glare coating

·

·

Power glass sunroof with rear tilt and sunshade

o

o

Body-side cladding

·

·

Front and rear splash guards

·

·

Body-color front and rear bumpers

·

·

Body-color step rail with slip-resistant insert

·

·


 

EXTERIOR FEATURES AND OPTIONS, CONT.

2WD

4WD

Body-color door handles

·

·

Roof-mounted luggage rack

·

·

Body-color grille and fender flares

·

·

Rear center high-mount stoplight

·

·

Liftgate with opening glass hatch

·

·

Fuel tank skid plates

·

·

 

INTERIOR DIMENSIONS (inches)

Front

Rear

Head room

39.5;

38.1 w/ sunroof

37.5

Leg room

41.7

31.8

Hip room

54.1

51.5

Shoulder room

56.6

56.4

Cargo dimensions (L x W x H)

32.7 x 56.4 x 35.6

 

 

 

 

 

 

 

INTERIOR FEATURES AND OPTIONS

2WD

4WD

 

Leather-appointed seats

·

·

 

8-way power driver’s seat with adjustable lumbar support

·

·

 

Driver’s seat memory system

·

·

 

4-way power passenger’s seat

·

·

 

Leather-wrapped steering wheel and gearshift knob

·

·

 

Genuine wood /leather steering wheel

·

·

 

Heated front and rear seats

N/A

o

 

Driver and passenger seat back pockets

·

·

 

Intelligent Cruise Control

o

o

 

Infiniti Mobile Entertainment System – rear cargo-mounted DVD or VCR with 6.4-inch roof-mounted LCD screen

o

o

 

Navigation System – CD-ROM based, with 5.8-inch screen and 3-D Birdview™ display

o

o

 

Dual sun visors with illuminated vanity mirrors

·

·

 

Wood trim accents

·

·

 

Sill plates (stainless steel) with Infiniti markings and floor mats

·

·

 

Carpeted trunk and cargo area

·

·

 

Cargo net and cover

·

·

 

Independent reclining rear seats with center armrest

·

·

 

60/40 split fold-down rear bench seat

·

·

 

 

 

 

 

 

 

 

 

CAPACITIES

 

 

 

 

Seating capacity

5

 

Interior passenger volume (cu. ft.)

92.9

 

Cargo volume (cu. ft.)

38.0 (85.0 with rear seat folded)

 

Fuel tank (gals.)

21.1

 

Engine oil (qts.)

3.9

 

Engine coolant (qts.)

9.1

 

Maximum towing capacity (lbs.)

5,000 trailer/500 tongue

 

 

 

 

 

 

 

CURB WEIGHTS

2WD

4WD

 

 

Curb weight (lbs.)

4,074

4,352

 

 

GVWR (lbs.)

4,934

5,212

 

 

Weight distribution (front / rear %)

52/48

54/46

 

 

 

 

 

 

 

STANDARD COMFORT AND CONVENIENCE FEATURES

 

 

Automatic Temperature Control/air conditioning/heating

 

 

Outside temperature display

 

 

HVAC filtration

 

 

Front window defroster with side window demister vents

 

 

Rear window defroster with indicator light and timer

 

 

Rear heater ducts

 

 

Tilt steering wheel

 

 

Steering wheel audio controls

 

 

HomeLinkâ Universal Transceiver with rolling code capability

 

 

Cruise control with steering wheel controls

 

 

Power windows with one-touch auto-up/down with safety reverse for front two windows

 

 

Power door locks (driver’s side and front passenger’s side) with selective unlocking)

 

 

Power remote release for liftgate rear glass and fuel-filler door

 

 

Illuminated power window switches

 

 

Front variable intermittent windshield wipers

 

 

Rear intermittent liftgate glass wiper

 

 

Center console with dual level storage

 

 

Overhead storage for sunglasses

 

 

Front and rear cup holders (three in front, two in back)

 

 

Two 12-volt outlets (inside console box, rear cargo area)

 

 

Coat hanger (rear driver’s side)

 

 

Coin holder (2WD only)

 

 

Lockable glove compartment     

 

 

Automatic entry/exit system

 

 

5 assist grips

 

 

Front map light

 

 

Battery saver

 

 

Manual day/night inside rear-view mirror

 

 

Retained accessory power for windows and sunroof

 

 

 

 

AUDIO SYSTEM

Bose® 150-watt, 6-speaker audio system with AM/FM/cassette and in-dash 6-disc CD with integrated clock

In-glass and power rod antenna with diversity system

Steering wheel audio controls

 

STANDARD SAFETY AND SECURITY FEATURES

 

Dual front supplemental air bags

 

 

Front seat side-impact supplemental air bags

 

 

3-point ELR front seat belts (passenger-side ALR/ELR) with adjustable upper anchors, pretensioners and load limiters

 

 

3-point rear (outboard) seat belts (ALR/ELR) with center 2-point lap belt

 

 

Front seat active head restraints, rear adjustable head restraints

 

 

Child seat anchors – 3 tether points

 

 

Child safety rear door locks

 

 

LATCH System (Lower Anchors and Tether for CHildren)

 

 

Power window lockout button

 

 

Energy-absorbing tilt steering column

 

 

Hood buckling creases and safety stops

 

 

Shift interlock system

 

 

Pipe-style steel side-door guard beams

 

 

Front and rear body structure crumple zones

 

 

Tamper resistant door lock cylinder

 

 

Remote keyless entry system

 

 

Vehicle Security System with indicator light

 

 

Infiniti Vehicle Immobilizer System

 

 

 

 

 

 

 

 

 

EPA MILEAGE ESTIMATES

 

 

 

City (2WD/4WD)

15/15 mpg

 

 

Highway (2WD/4WD)

19/18 mpg

 

 

EPA Classification

Special Purpose Vehicle

 

 

 

 

 

 

INSTRUMENTATION

 

 

 

Analog speedometer, tachometer, coolant temperature and fuel level (electro-fluorescent illumination)

 

 

 

Ambient temperature

 

 

 

Compass

 

 

 

LCD odometer with dual trip meters

 

 

 

Low fuel and door-ajar-warning lights

 

 

 

Analog quartz clock

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FACTORY OPTIONS & PACKAGES

 

 

 

Heated Seats Package – heated front and rear seats and limited-slip differential (4WD only)

 

 

Infiniti Mobile Entertainment System – rear cargo-mounted DVD or VCR with 6.4-inch roof-mounted LCD screen

 

 

Navigation System – CD-based Navigation System with 5.8-inch screen and 3-D Birdview display

 

 

Power sliding glass sunroof with sunshade

 

 

17-inch chrome-finished aluminum-alloy wheels (including spare)

 

 

Laser-based Intelligent Cruise Control

 

 

·

Standard Equipment

 

o

Optional Equipment

Look for the rest of Infiniti's 2003 lineup here in Press Pass.

 

© Copyright 2005 by MotorSportsCenter.com

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