Infiniti Q45 2002-2006 Specifications
Complete technical specifications and performance data for the Infiniti Q45 2002-2006. Includes detailed engine specifications, dimensions, safety features, and more.
Engine Specifications
Engine
- Type
- V8 DOHC 32-valve
- Displacement
- 4.5L (4494 cc)
- Power
- 340 hp @ 6,400 rpm
- Torque
- 333 lb-ft @ 4,000 rpm
- Compression Ratio
- 10.5:1
- Redline
- 6,700 rpm
Transmission Specifications
Transmission
- Type
- 5-Speed Automatic
- Drive System
- Rear-Wheel Drive (RWD)
- Final Drive
- 3.133:1
Dimensions Specifications
Primary Dimensions
- Length
- 200.6 inches
- Width
- 72.6 inches
- Height
- 58.3 inches
- Wheelbase
- 113.4 inches
- Ground Clearance
- 5.9 inches
- Curb Weight
- 4,045 lbs
Chassis & Suspension
- Front Suspension
- Independent double-wishbone with coil springs
- Rear Suspension
- Independent multi-link with coil springs
- Steering
- Power-assisted rack-and-pinion
- Front Brakes
- 12.6-inch ventilated disc
Performance & Fuel Economy
- Zero To 60
- 5.9 seconds
- Quarter Mile
- 14.2 seconds @ 101 mph
- Top Speed
- 149 mph electronically limited
- Combined
- 19 mpg
Safety Specifications
- Front
- Dual-stage, dual-threshold front airbags
- Side
- Front side-impact airbags
- Curtain
- Side curtain airbags with rollover sensor
- Other
- Driver's knee airbag
- Stability Control
- Vehicle Dynamic Control (VDC) with traction control
- Brake Systems
- ABS with EBD and Brake Assist
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the main differences between the available engine options?
What are the main differences between the available engine options?
The 2002-2006 Infiniti Q45 is equipped with a single engine option: a 4.5L V8 (VK45DE) producing 340 hp and 333 lb-ft of torque. This engine features advanced technologies such as variable valve timing and a high compression ratio for optimal performance and efficiency.
Q2 What transmission options are available?
What transmission options are available?
The Q45 comes with a 5-speed automatic transmission with manual shift mode, offering smooth gear transitions and enhanced driving control.
Q3 What are the key safety features?
What are the key safety features?
Standard safety features include dual front airbags, side-impact airbags, anti-lock braking system (ABS), electronic brake-force distribution (EBD), and vehicle dynamic control (VDC). Optional features include a tire pressure monitoring system and adaptive cruise control.
Q4 How does the fuel economy compare to competitors?
How does the fuel economy compare to competitors?
The Q45 achieves an EPA-estimated 17 mpg in the city and 23 mpg on the highway, which is competitive with other luxury sedans of its time, such as the Lexus LS 430 and BMW 7 Series.
Q5 What are the recommended maintenance intervals?
What are the recommended maintenance intervals?
Recommended maintenance includes oil changes every 3,750 miles, tire rotations every 7,500 miles, and major service inspections every 15,000 miles. Always refer to the owner's manual for detailed schedules.
Q6 What are the most notable features and options?
What are the most notable features and options?
Standard features include leather upholstery, dual-zone automatic climate control, a Bose premium audio system, and a power moonroof. Optional features include a navigation system, heated and ventilated seats, and a rear-seat entertainment system.
Q7 How does the cargo and passenger space compare to competitors?
How does the cargo and passenger space compare to competitors?
The Q45 offers 13.6 cubic feet of trunk space and a spacious interior with 40.1 inches of front legroom and 36.4 inches of rear legroom, comparable to its competitors like the Mercedes-Benz S-Class.
Q8 What are the towing and payload capacities?
What are the towing and payload capacities?
The Q45 is not rated for towing. Its payload capacity is approximately 900 pounds, depending on the configuration.
About the Author
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Alan Montanye
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- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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