2003 Infiniti Q45 Specs

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Engine	2003 Infiniti Q45
Type	VK45DE 4.5-liter DOHC 32-valve V8 with aluminum-alloy block and heads and molybdenum coated pistons
Displacement	4.5 liters
Horsepower	340 hp @ 6,400 rpm
Torque	333 lb-ft @ 4,000 rpm
Bore X stroke (mm)	93.0 x 82.7
Compression ratio (:1)	10.5
Induction system	Sequential multi-point fuel injection
Valvetrain	DOHC 4-valves-per-cylinder, titanium valves with continuous variable valve timing control
Recommended fuel	Premium unleaded
Exhaust and emissions system	Single exhaust and three-way catalytic converter with closed loop feedback and electric dual-mode muffler with dual chrome tips
Platinum-tipped spark plugs	Standard
Maximum engine speed	6,700 rpm

Drivetrain	2003 Infiniti Q45
Drive configuration	Front engine/rear-wheel drive
Transmission type	5-speed electronically controlled automatic overdrive transmission with real time feedback with learning algorithm and manual shift mode
Gear ratios ( :1)
1st	3.540
2nd	2.264
3rd	1.471
4th	1.000
5th	0.834
Reverse	2.370
Final drive ratio ( :1)	3.133
Differential type	Conventional

Body, Suspension & Steering		Luxury	Premium
Body type		All-steel unibody construction
Suspension	Front	Independent strut with stabilizer bar and coil springs (available driver selectable suspension mode with active damping)
	Rear	Independent multi-link with stabilizer bar and coil springs (available driver selectable suspension mode with active damping)
Steering ratio ( :1)		18.1
Turning circle (curb-to-curb in feet)		36.1
Turns (lock-to-lock)		3.3
Steering type		Electrically-controlled vehicle-speed-sensitive power-assisted rack-and-pinion
Driver Selectable Suspension Mode (RJ Suspension)		-	Standard
Active Damping		-	Standard

Brakes		2003 Infinti Q45
Brakes	Front	11.4" x 1.1" power-assisted vented disc
	Rear	11.5" x 0.6" power-assisted vented disc
Electronic Brake force Distribution (EBD) and Brake Assist		Standard
4-channel/4-sensor Anti-lock Braking System (ABS)		Standard

Electrical	2003 Infiniti Q45
Electronic ignition system	Standard
110 amp alternator	Standard
Low maintenance 12-volt battery	Standard

Wheels and Tires	Luxury	Premium
17" 6-spoke aluminum-alloy wheels (7.5 JJ x 17)	Standard	-
18" 8-spoke aluminum-alloy wheels, "Titanium" finish (7.5 JJ x 18)	-	Standard
18" 8-spoke chrome-finished wheels (7.5 JJ x 18)	-	Optional
225/55R17 V-rated all-season radial tires	Standard	-
225/55R17 V-rated run-flat all-season radial tires	Optional	-
245/45R18 V-rated all-season radial tires	-	Standard
Full-size spare tire with aluminum-alloy wheel	Standard
Low Tire Pressure Warning System	Standard

Exterior Dimensions (in.)		Luxury	Premium
Wheelbase		113.0
Overall length		199.6
Overall width		72.6
Overall height		58.7
Track width	Front	62.2	62.6
	Rear	61.4	61.8
Minimum ground clearance		5.7	5.8
Coefficient of drag (Cd)		0.30

Exterior Features and Options	2003 Infiniti Q45
High Intensity Discharge (HID) xenon headlights, seven lens with auto on/off feature	Standard
Body-color front and rear bumpers	Standard
Green-tinted glass with dark-tint upper windshield band and UV cut	Standard
Body-color door handles with chrome insert	Standard
Dual body-color power remote-controlled outside mirrors with anti-glare coating, heated with timer, automatic day/night adjustment and passenger mirror tilt-down (in reverse gear), integrated turn signals and puddle lights	Standard
Rear window defroster with timer	Standard
Rear center high-mounted stop light	Standard
Bright grille with large chrome Infiniti emblem	Standard
Black windshield moldings and window moldings	Standard
Power sliding glass sunroof with one-touch auto-open/close and rear tilt with safety feature	Standard

Interior Dimensions (in.)	Front	Rear
Head room	38.4	36.4
Shoulder room	58.2	57.2
Hip room	56.5	55.0
Leg room	44.0	37.3

Interior Features and Options	Luxury	Premium
10-way power driver's seat with power lumbar support	Standard
8-way power passenger's seat	Standard
Power recline/slide rear seat and rear-entry assist with cancellation switch	-	Standard
Sojourner leather-appointed seats and head restraints	Standard
Heated front seats	Standard	-
Climate-controlled front seats (cooling and heating)	-	Standard
Heated rear seats	-	Standard
Adjustable front seat active head restraints and adjustable rear head restraints	Standard
Driver's and front-passenger's seat back pockets	Standard
Electrochromic rear view mirror w/electronic compass	Standard
Stainless steel sill plates	Standard
Driver's entry/exit system with two-position memory function	Standard
Genuine wood/leather-wrapped steering wheel and gearshift knob	Standard
Genuine wood trim	Standard
Fully-molded simulated leather trim on front/rear door armrests and door pockets	Standard
Simulated wood trim on front and rear window switches	Standard
Ceiling-mounted assist grips	Standard
Front-seat back grips	-	Standard

Capacities	2003 Infiniti Q45
Seating capacities	5
Interior passenger volume (cu. ft.)	102.1 (w/sunroof)
Cargo dimensions (L x W x H, in inches)	31.9 x 66.7 x 19.4 (w/full-size spare tire)
	31.9 x 66.7 x 20.9 (w/temporary spare tire)
Fuel tank (gals.)	21.4
Engine oil (qts.)	6.7
Engine coolant (qts.)	8.9
Maximum towing capacity (lbs.)	TBD

Curb Weights	2003 Infiniti Q45
Curb weight (lbs.)	3,977
Weight distribution (% fr/rr)	54 / 46
GVWR (lbs.)	TBD

Audio System	Luxury	Premium
Bose premium 300-watt audio system with AM/FM/cassette, in-dash CD player with 8-speakers and AudioPilot™ Noise Compensation with steering wheel audio controls	Standard
Rear window diversity antenna	Standard
Satellite Radio	Optional	Standard

Safety and Security Features	2003 Infiniti Q45
Supplemental side-impact curtain air bag, front and rear, roof mounted	Standard
Active front-seat head restraints with 4-way manual adjustment	Standard
Rear center head restraint with 2-way manual adjustment	Standard
Pipe-style steel side-door guard beams	Standard
Shift interlock system	Standard
Child safety rear door locks	Standard
LATCH system: rear child safety seat tether anchors (3 in rear parcel shelf, lower rigid bar anchor in 2 outboard positions)	Standard
Front seat belts with pretensioners and load limiters	Standard
Energy absorbing steering column	Standard
3-point front seat belts with adjustable upper anchors (passenger side ALR/ELR)	Standard
Hood buckling creases and safety stops	Standard
Front and rear crumple zones	Standard
Body side reinforcements	Standard
Vehicle Security System with indicator light	Standard
Remote keyless entry system	Standard
First aid kit	Standard
Electronic master ignition key	Standard
Emergency wallet key	Standard
Infiniti Vehicle Immobilizer System	Standard

EPA Mileage Estimates	2003 Infiniti Q45
City	17 mpg
Highway	25mpg
EPA Classification	Mid-size