Infiniti ยท 1991
1991 Infiniti Q45
Official EPA fuel economy and NHTSA recall record, best combined figure 17 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 4-spd | Premium | 15 | 20 | 17 | 523 |
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.
THE FRONT SAFETY BELT BUCKLE RELEASE BUTTONS CAN BREAK. THESE RED PLASTIC RELEASE BUTTONS ARE MARKED "PRESS." IF A BUTTON BREAKS, PIECES CAN FALL INTO THE BUCKLE ASSEMBLY CAUSING THE BUCKLE TO OPERATE IMPROPERLY.
VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH BOSE REAR SPEAKERS THAT HAVE AN INTEGRAL AMPLIFIER. A CONDUCTIVE BRIDGE CAN FORM BETWEEN TWO LINES OF THE CIRCUIT BOARD PATTERN WHEN THERE IS ACCUMULATED ELECTROLYTE LEAKED FROMA CAPACITOR AND HIGH HUMIDITY CONDITIONS. THIS CAN CLOSE A TRANSISTOR ON THE CIRCUIT BOARD WHICH CAUSES OVERHEATING.
Owner complaints (NHTSA)
49 complaints filed by owners for this model year (3 involving a crash, 4 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 1991 Infiniti Q45?
EPA figures for the 1991 Infiniti Q45 reach 17 MPG combined depending on configuration; the table on this page lists every tested engine and transmission combination.
Are there recalls on the 1991 Infiniti Q45?
NHTSA lists 2 safety recall campaigns for the 1991 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 1991 Infiniti Q45?
Owners have filed 49 complaints with NHTSA for the 1991 Infiniti Q45, most often about: Service Brakes, Hydraulic, Electrical System, Equipment. 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.