Motor Matchup logo
Motor Matchup logo
Back to Infiniti Q45 Models

2006 Infiniti Q45 Sport 4DR Sedan

Sport 4dr Sedan

$58,100 MSRP
4.5l V-8
0-60 mph • 1/4 mile
5.5 sec

0-60 mph

13.9 sec

@ 99 mph

Horsepower • Torque
340 hp

Power

333 lb-ft

Torque

Curb weight
4,153 lbs

Rear-wheel Drive

Image coming soon

We are still sourcing visuals for this trim.

Overview

Vehicle Details

Year:

2006

Make:

Infiniti

Model:

Q45

Trim:

Sport 4DR Sedan

Style:

Sport 4dr Sedan

Base Price:

$58,100

Drive:

Rear-wheel Drive

Dimensions & Weight

Curb Weight:

4,153 lbs

Length:

200.8 in.

Width:

72.6 in.

Height:

58.7 in.

Wheelbase:

113 in.

Drag Coefficient:

0.3

MPG:

17 city / 24 hwy

Fuel:

21.4 gal. / 449 mi range

Engine & Powertrain

Horsepower:

340 hp @ 6,400 rpm

Torque:

333 ft-lbs @ 4,000 rpm

Engine:

4.5l V-8

Displacement:

4.5 liters

Compression Ratio:

10.50 to 1

Valves:

32

Engine Config:

Standard

Redline:

7,200 rpm

Dyno Chart

Power vs torque across the rev range

Performance

All times derived from MotorMatchup simulation using street surface.

Acceleration

0-60 mph (1ft):

5.45 sec

0-60 mph:

5.76 sec

0-100 mph:

14.25 sec

60-130 mph:

21.18 sec

100-150 mph:

31.81 sec

Top Speed:

166 mph

Distance

⅛ mile:

8.91 sec @ 80.3 mph

¼ mile:

13.91 sec @ 99.1 mph

½ mile:

21.88 sec @ 123.6 mph

1 mile:

35.45 sec @ 140.9 mph

Drivetrain

Front Tires:

P245/40WR19

Rear Tires:

P245/40WR19

Tire Compound:

Summer Performance

Transmission:

5-speed Automatic

Final Drive:

2.94

Gear Ratios

1: 3.83

2: 2.37

3: 1.53

4: 1

5: 0.83

R: 2.61

Speed vs RPM

Gear spacing and speed bands

See incorrect or missing data?

Help us keep the catalog accurate for every trim.

Related Vehicles

Other Infiniti Q45 Vehicles

2002 Luxury 4DR Sedan

340 hp · $50,500

Motor Matchup logo
© Copyright 2026 MotorMatchup. All rights reserved.
Enthusiast Driven
Motor Matchup logo
Enthusiast Driven
© Copyright 2026 MotorMatchup. All rights reserved.