Infiniti Q45 3.1 Sedan USA 4.5 AT Sport, Configuration
| Volume | 4.5 l |
| Power | 340 hp |
| Fuel type | Petrol |
| Transmission | Automatic transmission |
| Drive | Rear (FR) |
| Number of places | 5 |
| Number of doors | 4 |
| Clearance | 147 mm |
| Trunk volume | 388 l |
| Front tires | 225/55 R17 |
| Rear tires | 225/55 R17 |
Basic parameters
| Release period | February 2004 — September 2006 |
| Drive type | Rear |
| Body type | Sedan |
| Transmission type | Automatic transmission 5 |
| Engine capacity | 4,494 cm³ |
| Body brand | |
| Ground clearance (ride height) | 147 mm |
| Number of doors | 4 |
Dimensions
Body dimensions
| Body dimensions (length) | 5,069 mm |
| Body dimensions (width) | 1,844 mm |
| Body dimensions (height) | 1,490 mm |
Interior dimensions
| Number of seats | 5 |
| Number of seat rows | 2 |
Chassis dimensions
| Wheelbase | 2,870 mm |
| Front track width | 1,580 mm |
| Rear track width | 1,560 mm |
Weight and permissible loads
| Weight | 1,820 kg |
| Permissible gross weight | 2,350 kg |
| Specific gravity | 5.35 kg/hp |
Volumes
| Fuel tank volume | 85 l |
| Trunk volume | 388 l |
Engine, gearbox and steering
Engine
| Engine make | |
| Fuel used | Petrol |
| Engine type | V-shaped, 8-cylinder |
| Supercharger | - |
| Maximum power | 340 hp |
| Maximum power | 250 kW |
| Maximum power, at rpm. | 6,400 |
| Maximum torque | 451.0 Nm |
| Maximum torque | 46.0 kgf m |
| Maximum torque, at rpm. | 4,000 |
| Number of valves per cylinder | 4 |
| Compression ratio | 10.50 |
| Cylinder diameter | 93.000 mm |
| Piston stroke | 82.700 mm |
Steering
| Power steering |
Suspension/chassis
Suspension
| Front suspension | Independent, MacPherson-type shock-absorbing strut |
| Rear suspension | Independent, multi-link |
Wheels
| Alloy wheels |
Tires
| Front wheels | 225/55 R17 |
| Rear wheels | 225/55 R17 |
Brakes
| Front brakes | Ventilated disc |
| Rear brakes | Ventilated disc |
Exterior and external equipment
Lights and optics
| Halogen headlights | |
| Front fog lights | |
| Xenon headlights |
Side mirrors
| Electric side mirrors | |
| Electrically heated mirrors |
Roof
| Adjustable sunroof |
Interior and interior equipment
Steering wheel and dashboard
| Leather-wrapped steering wheel | |
| Adjustable steering column | |
| Steering wheel audio controls |
Interior design
| Leather upholstery |
Seats
| Electrically heated front seats | |
| Front dividing armrest | |
| Rear armrest divider | |
| Electric driver's seat | |
| Electric front seats | |
| Seat position memory | |
| Electrically heated rear seats | |
| Front seat ventilation |
Interior electrical package
| Central lock | |
| Electric front windows | |
| Rear electric windows |
Active and passive safety systems
Airbags
| Driver's airbag | |
| Front passenger airbag | |
| Side airbag |
Active vehicle safety and driver assistance systems
| Anti-lock braking system (ABS) | NULL |
| Cruise control | |
| Brake force distribution (EBD) | |
| Traction control system (TCS) | |
| Rear view camera | |
| Brake Assist System (BAS) | |
| Tire pressure drop indicator |
Comfort
Interior microclimate
| Air conditioner | + |
| Climate control | |
| Separate climate control | 2 zones |
Audio systems
| Radio | |
| Additional audio equipment | BOSE audio system 8 speakers |
| CD player | |
| CD changer |
Multimedia and navigation
| Navigation system | + |
| Full color LCD monitor | 7" |