The 2004 Infiniti Q45 is a midsize car that came with a 4.5L 8-cyl engine. At 22 years old, many are reaching the point where repairs cost more than the car is worth. Running or not, we'll make you an offer and tow it away for free.
| Body style | Midsize Cars |
|---|---|
| Engines | 4.5L 8-cyl |
| Transmissions | Automatic (S5) |
| Drive | Rear-Wheel Drive |
| Fuel | Premium Gasoline |
| Fuel economy | 16 city / 22 highway / 18 combined MPG |
| EPA annual fuel cost | $4,550 a year (EPA estimate at current fuel prices, 15,000 miles) |
| Tailpipe CO₂ | 494 grams per mile |
| Versions tested by EPA | 1 configuration |
| Age | 22 years |
Specs, fuel cost and emissions from the EPA's fueleconomy.gov data. Your car's exact equipment may differ.
NHTSA lists 2 safety recalls covering the 2004 Infiniti Q45. Open recalls don't stop you from selling or junking the car, but check your VIN at nhtsa.gov/recalls to see which apply to yours.
Nissan is recalling certain model year 2003-2005 Infiniti Q45 vehicles. A wiring connector for the seat mounted airbag may experience increased electrical resistance, resulting in the non-deployment of the side air bags.
Risk: Non-deployment of side air bags could increase the risk of personal injury.
On certain passenger vehicles, the brake lamp switch may malfunction.
Risk: If this occurs, the brake lights will not illuminate when the brake is applied, which could result in a crash.
Owners have filed 7 complaints about the 2004 Infiniti Q45 with NHTSA.
Complaints are reports from owners and aren't verified by NHTSA. One complaint can list several components. Mileage is the median odometer reading owners reported for that component.
Manufacturers have filed 54 technical service bulletins and communications with NHTSA covering the 2004 Infiniti Q45. These are repair instructions for known issues, not recalls.
CERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision damage or other vehicle repair, a replacement "Certification Label" or "VIN Plate/L
INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bull
REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
Source: NHTSA manufacturer communications (technical service bulletins).
NHTSA opened 2 defect investigations covering the 2004 Infiniti Q45.
Non-deployment of Side Thorax Air Bags
The subject vehicles are equipped with seat-mounted, side thorax air bags for the driver and front passenger.This investigation revealed that faulty side air bag module electrical connectors located under the driver and front passenger seats can cause an interruption in the electrical circuit that will drop the input v
Side air bag non-deployment
The subject vehicles are equipped with seat-mounted, side torso air bags for the driver and front passenger.this investigation has revealed that faulty side air bag module connectors located under the front seats can cause an interruption in the electrical current that will drop the input voltage below the specified ra
It depends on its condition, whether major parts like the engine, transmission and catalytic converter are still there, and current scrap and parts prices where you live. Its parts make up much of its value. Enter your ZIP code above for a free offer on your specific car.
Yes. We buy 2004 Q45s that don't start, were in an accident, failed inspection or have a blown engine or transmission. Towing is always free.
Yes. Open recalls don't prevent a junk sale. NHTSA lists 2 recalls for the 2004 Infiniti Q45; you can check whether any are still open on yours with the VIN lookup at nhtsa.gov/recalls.
Usually the title and a photo ID. Rules differ by state, including what to do with your plates and whether to file a notice of sale. Check our state-by-state car title guides for the official forms.
Data retrieved October 2026.
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