2006 Infiniti Q45
US · Midsize Cars
The 2006 Infiniti Q45 is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- 4.5L 8-cylinder
- Transmission
- 5-speed automatic
- Drivetrain
- RWD
- Fuel
- Gasoline
- Economy
- 18 mpg (13.1 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | 4.5L 8-cylinder | |
| Displacement | 4.5 L | |
| Cylinders | 8 | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 5 | |
| Drivetrain | RWD | EPA fueleconomy.gov |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 18 mpg (13.1 L/100 km) | EPA fueleconomy.gov |
| City | 15 mpg (15.7 L/100 km) to 16 mpg (14.7 L/100 km) | |
| Highway | 22 mpg (10.7 L/100 km) |
Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.
Trims and configurations
2 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 1 recall campaign for this model year. Last checked November 10, 2026.
06V395000: EXTERIOR LIGHTING:BRAKE LIGHTS
CERTAIN VEHICLES FAIL TO COMPLY WITH THE STOP LAMP AND REFLEX REFLECTOR REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, 'LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT."
Remedy: DEALERS WILL REPLACE THE REAR COMBINATION LAMP ASSEMBLIES FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN ON OR ABOUT APRIL 16, 2007. OWNERS MAY CONTACT INFINITI AT 1-800-662-6200.
Reported October 13, 2006. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved November 8, 2026 · US Government public data
- NHTSA vPIC · retrieved October 16, 2026 · US Government public data
Source checked: November 8, 2026
Data verified: November 8, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Related vehicles
- 2005 Infiniti Q45
Gasoline
4.5L 8-cylinder · RWD
18 mpg (13.1 L/100 km)
Frequently asked questions
What engine does the 2006 Infiniti Q45 have?
4.5L 8-cylinder. Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2006 Infiniti Q45?
Combined fuel economy is 18 mpg (13.1 L/100 km), as published by the source shown in the specification table.
Is the 2006 Infiniti Q45 front-wheel, rear-wheel or all-wheel drive?
Drivetrain: RWD.
Are there recalls for the 2006 Infiniti Q45?
NHTSA lists 1 recall campaign for this model year (last checked November 10, 2026). Details are in the Recalls section.