Infiniti Q45 1997-2001 Specifications
Infiniti Q45 1997-2001

Infiniti Q45 1997-2001 Specifications

Complete technical specifications and performance data for the Infiniti Q45 1997-2001. Includes detailed engine specifications, dimensions, safety features, and more.

Updated

Engine Specifications

Engine

Type
V8 DOHC 32-valve
Displacement
4.5L (4494 cc)
Power
266 hp @ 6,000 rpm
Torque
278 lb-ft @ 4,000 rpm
Compression Ratio
10.5:1
Redline
6,500 rpm

Transmission Specifications

Transmission

Type
5-Speed Automatic
Drive System
Rear-Wheel Drive (RWD)
Final Drive
3.133:1

Dimensions Specifications

Primary Dimensions

Length
199.8 inches
Width
72.8 inches
Height
56.7 inches
Wheelbase
113.4 inches
Ground Clearance
5.9 inches
Curb Weight
3,902 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
11.7-inch ventilated disc

Performance & Fuel Economy

Zero To 60
6.7 seconds
Quarter Mile
15.2 seconds @ 94.6 mph
Top Speed
149 mph
Combined
19 mpg

Safety Specifications

Front
Dual-stage, dual-threshold front airbags
Side
Front side-impact airbags
Curtain
None
Other
None
Stability Control
None
Brake Systems
4-wheel ABS with EBD

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What are the main differences between the available engine options?

The 1997-2001 Infiniti Q45 is equipped with a single engine option: a 4.1L V8 producing 266 horsepower and 278 lb-ft of torque. This engine is paired with a 4-speed automatic transmission and provides smooth, responsive performance with a focus on luxury and refinement.

Q2

What transmission options are available?

The 1997-2001 Infiniti Q45 comes exclusively with a 4-speed automatic transmission, designed for seamless shifting and optimal performance in a luxury sedan.

Q3

What are the key safety features?

Standard safety features include dual front airbags, anti-lock braking system (ABS), and traction control. Optional features include side airbags and a Vehicle Dynamic Control (VDC) system for enhanced stability.

Q4

How does the fuel economy compare to competitors?

The Q45 achieves an EPA-estimated 17 mpg city and 23 mpg highway, which is competitive for a luxury V8 sedan of its era, such as the Lexus LS 400 and Mercedes-Benz S-Class.

Q5

What are the recommended maintenance intervals?

Recommended maintenance includes oil changes every 3,750 miles, tire rotation every 7,500 miles, and a comprehensive inspection every 15,000 miles. Refer to the owner's manual for a detailed schedule.

Q6

What are the most notable features and options?

Standard features include leather upholstery, power-adjustable seats, a Bose audio system, and automatic climate control. Optional features include a rear sunshade, a CD changer, and a power rear sunshade.

Q7

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 95.1 cubic feet of passenger volume, comparable to the Lexus LS 400 and Mercedes-Benz S-Class.

Q8

What are the towing and payload capacities?

The Q45 is not rated for towing. Its payload capacity is approximately 950 pounds, suitable for passengers and luggage but not for heavy towing applications.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Writer
ASE

Alan Montanye

Automotive Technical Writer

ASE Certified Master Technician specializing in vehicle specifications and technical documentation with extensive experience in the automotive industry.

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