Infiniti ยท 2004
2004 Infiniti Q45
Official EPA fuel economy and NHTSA recall record, best combined figure 18 MPG.
The Infiniti Q45 is a full-size luxury sedan that was marketed by the Infiniti division of Nissan from the 1990 to 2006 model years.
Fuel economy (EPA)
| Engine | Transmission | Fuel | City | Highway | Combined | CO2 g/mi |
|---|---|---|---|---|---|---|
| 4.5L 8-cyl | Automatic (S5) | Premium | 16 | 22 | 18 | 494 |
Safety recalls (NHTSA)
2 campaigns on record for this model year. Recall repairs are free at dealers; check your exact vehicle by VIN on nhtsa.gov/recalls.
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.
ON CERTAIN PASSENGER VEHICLES, THE BRAKE LAMP SWITCH MAY MALFUNCTION.
Owner complaints (NHTSA)
14 complaints filed by owners for this model year. Complaints are owner reports, not confirmed defects - browse them in full on nhtsa.gov.
Frequently Asked Questions
What is the fuel economy of a 2004 Infiniti Q45?
EPA figures for the 2004 Infiniti Q45 reach 18 MPG combined depending on configuration; the table on this page lists every tested engine and transmission combination.
Are there recalls on the 2004 Infiniti Q45?
NHTSA lists 2 safety recall campaigns for the 2004 Infiniti Q45. Check your specific vehicle by VIN on the official NHTSA site, recalls are fixed free of charge by dealers.
What are common problems with the 2004 Infiniti Q45?
Owners have filed 14 complaints with NHTSA for the 2004 Infiniti Q45, most often about: Electrical System, Vehicle Speed Control, Exterior Lighting. Complaint counts reflect what owners report, not confirmed defects.
Sources: EPA fueleconomy.gov, the NHTSA recalls, complaints and 5-Star Safety Ratings databases (all US public data), refreshed monthly. Recall texts are quoted from the official record. Details on About & Data Sources.