2005 Infiniti Q45: Recalls, Problems & MPG
Here are the deets on the 2005 Infiniti Q45: 3 recalls, 4 owner complaints and up to 18 mpg combined.

Recalls
3 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Child seat Vehicle recall #05V374000 · 2005 · 167 vehicles
What's wrong: Certain passenger vehicles equipped with power rear seats fail to conform to the requirements of Federal Motor Vehicle Safety Standard no. 225, "child restraint anchorage systems." the lower anchorage brackets in the rear seats do not meet the location requirement in this standard. This May cause difficulty in attaching some child seats to these brackets.
Why it matters: If a child seat is not secured, there is an increased risk of injury in a crash.
The fix: Dealers will replace the lower anchorage brackets with modified ones to ensure that the standard is met. The recall began on October 17, 2005.
Exterior lights Vehicle recall #06V395000 · 2006 · 1,863 vehicles
What's wrong: 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."
Why it matters: This standard is to reduce crashes, injuries and deaths by providing adequate illumination of the roadway, and by enhancing the conspicuity of motor vehicles on the public roads so that their presence is perceived and their signals understood, both in daylight and in darkness or other conditions of…
The fix: Dealers will replace the rear combination lamp assemblies free of charge. The recall is expected to begin on or about April 16, 2007.
Airbags Vehicle recall #12V079000 · 2012 · 1,349 vehicles
What's wrong: A wiring connector for the seat mounted airbag May experience increased electrical resistance, resulting in the non-deployment of the side air bags.
Why it matters: Non-deployment of side air bags could increase the risk of personal injury.
The fix: Nissan will notify owners, and dealers will modify the wiring connector, free of charge. The safety recall began on March 19, 2012.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 1 injuries and 0 deaths were reported.
What owners describe
- Electrical (1): no single recurring theme in the descriptions.
- Tires (1): no single recurring theme in the descriptions.
- Airbags (1): no single recurring theme in the descriptions.
- Seats (1): no single recurring theme in the descriptions.
The 2005 Infiniti Q45 has 4 owner complaints, ranking #15 of 17 Q45 model years for complaints (well below the 13 average). Neighboring years: 2004 (7 complaints, 2 recalls), 2006 (0 complaints, 1 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 4.5 L 8-cyl | Automatic (S5) | Rear-Wheel Drive | 16 | 22 | 18 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2005 Infiniti Q45.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
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FAQ
Does the 2005 Infiniti Q45 have any recalls?
Yes. NHTSA lists 3 vehicle recalls for the 2005 Infiniti Q45. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2005 Infiniti Q45 problems?
Owners have filed 4 complaints with NHTSA. The most-reported areas are electrical (1), tires (1), airbags (1).
What gas mileage does the 2005 Infiniti Q45 get?
EPA ratings run up to 18 mpg combined (4.5 L, Automatic (S5)), across 1 engine and transmission combos.
Where can I get a 2005 Infiniti Q45 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.