Infiniti ยท 1999
1999 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 |
|---|---|---|---|---|---|---|
| 4.1L 8-cyl | Automatic 4-spd | Premium | 16 | 22 | 18 | 494 |
Safety recalls (NHTSA)
No NHTSA recall campaigns on record for this model year in our latest refresh.
Owner complaints (NHTSA)
10 complaints filed by owners for this model year (3 involving a crash, 0 a fire). Complaints are owner reports, not confirmed defects - browse them in full on nhtsa.gov.
Frequently Asked Questions
What is the fuel economy of a 1999 Infiniti Q45?
EPA figures for the 1999 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 1999 Infiniti Q45?
No NHTSA recall campaigns are on record for the 1999 Infiniti Q45 in our latest data refresh.
What are common problems with the 1999 Infiniti Q45?
Owners have filed 10 complaints with NHTSA for the 1999 Infiniti Q45, most often about: Tires, Structure, Wheels. 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.