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Owner report · 1998 model year

1998 Infiniti Q45

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The Verdict

Worst problem area

Airbags & Restraints

Airbags & Restraints leads by volume: 7 of 14 complaints (50%) mention it.

Complaints filed rose from 12 in 1997 to 14 in 1998.

Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology

At a glance

NHTSA complaints
14
Recall campaigns
3
EPA fuel cost per year
$4,300
Combined MPG
18

Complaints by model year

  1. 71996
  2. 121997
  3. 141998
  4. 91999
  5. 92000

Where owners report problems

  1. Airbags & Restraints7 (50%)
  2. Electrical2 (14%)
  3. Brakes1 (7%)
  4. Driver Assistance & Speed Control1 (7%)
  5. Engine1 (7%)
  6. Steering1 (7%)
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Cost, Fuel Economy & Complaint History

Fuel cost, fuel economy, and complaint history by model-yearScroll sideways to see all 5 years.
Category19961997199819992000vs. 1998 Midsize Cars
Annual fuel cost ($)4,5504,3004,3004,3004,300
Combined MPG1718181818
City / Highway MPG15 / 2016 / 2216 / 2216 / 2216 / 21
CO₂ tailpipe (g/mi)523494494494494
Complaints filed7121499Not compared
Recalls issued03301Not compared
Crash-involved complaints00420Not compared
Fire-involved complaints00100Not compared
Injuries reported00810Not compared
Deaths reported00000Not compared
Configurations compared11111

Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.

Common questions

How many recalls does the 1998 Infiniti Q45 have?

3 NHTSA recall campaigns as of Nov 7, 2026. Check your VIN with NHTSA to see whether one applies to your car.

What is the most common complaint about the 1998 Infiniti Q45?

Airbags & Restraints: 7 of 14 NHTSA complaints (50%) mention it.

What gas mileage does the 1998 Infiniti Q45 get?

EPA rates it 18 MPG combined.

How much does it cost to fuel a 1998 Infiniti Q45?

EPA estimates $4,300 a year in fuel costs, using EPA's assumptions.

Similar Vehicles

EPA-Rated Configurations (1)

Every EPA-rated configuration on this page, one row each.A number tagged (low) or (high) is this page’s own cost-table figure of that name, above.
ConfigurationTransmissionCylindersDisplacementDrivetrainFuel TypeVehicle ClassCityHighwayCombinedAnnual Fuel CostCO₂
Configuration 1Automatic 4-spd84.1LRear-Wheel DrivePremiumMidsize Cars16 mpg22 mpg18 mpg$4,300494 g/mi

Complaints by Category

Complaints by category, in the same fixed order on every page
CategoryComplaintsCrash-InvolvedFire-InvolvedInjuriesDeaths
Engine10000
Transmission & Drivetrain00000
Fuel System00000
Electrical20100
Brakes10000
Steering10000
Suspension, Wheels & Tires10000
Airbags & Restraints74080
Driver Assistance & Speed Control10000
Body, Seats & Latches00000
Visibility & Lighting00000
Other00000

A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.

Recalls (3)

  • ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

    Campaign 02V171000 · Jun 24, 2002

    Defect
    ON CERTAIN PASSENGER VEHICLES, ONE OF THE DIODES USED IN THE ALTERNATOR MAY HAVE BEEN DAMAGED WHEN BUILT. THIS CAN EVENTUALLY RESULT IN FAILURE OF THE DIODE AND AN ELECTRICAL SHORT WHICH COULD MELT THE PLASTIC HOUSING.
    Consequence
    IF THE COMBUSTIBLE GAS EMITTED BY THE MELTING PLASTIC DOES NOT DISPERSE DUE TO AIR FLOW THROUGH THE ENGINE COMPARTMENT, IT COULD IGNITE AND IN TURN IGNITE THE FAN GUIDE IN THE ALTERNATOR.
    Remedy
    DEALERS WILL REPLACE THE ALTERNATOR. OWNER NOTIFICATION BEGAN JULY 29, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT NISSAN AT 1-800-647-7261 OR INFINITI AT 1-800-662-6200.

  • ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

    Campaign 99V129000 · May 20, 1999

    Defect
    VEHICLE DESCRIPTION: PASSENGER VEHICLES. ONE OF THE DIODES USED IN THE ALTERNATOR MAY HAVE BEEN DAMAGED WHEN BUILT. THIS CAN EVENTUALLY RESULT IN FAILURE OF THE DIODE AND AN ELECTRICAL SHORT WHICH COULD MELT THE PLASTIC HOUSING.
    Consequence
    IF THE COMBUSTIBLE GAS EMITTED BY THE MELTING PLASTIC DOES NOT DISPERSE DUE TO AIR FLOW THROUGH THE ENGINE COMPARTMENT, IT COULD IGNITE AND IN TURN IGNITE THE FAN GUIDE IN THE ALTERNATOR.
    Remedy
    DEALERS WILL REPLACE THE ALTERNATOR.

  • POWER TRAIN:AUTOMATIC TRANSMISSION

    Campaign 98V325000 · Dec 14, 1998

    Defect
    VEHICLE DESRIPTION: PASSENGER VEHICLES. THE IGNITION KEY CAN BE REMOVED WHEN THE ENGINE IS TURNED OFF WITHOUT PLACING THE TRANSMISSION SHIFT LEVER IN THE "PARK" POSITION. THIS DOES NOT COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 102, "TRANSMISSION SHIFT LEVER SEQUENCE, STARTER INTERLOCK, AND TRANSMISSION BRAKING EFFECT."
    Consequence
    IF THIS OCCURRED AND THE DRIVER FAILED TO MOVE THE SHIFT LEVER TO 'PARK' OR ENGAGE THE PARKING BRAKE, THE VEHICLE COULD ROLL AWAY IF PARKED ON A SLOPE.
    Remedy
    DEALERS WILL REPLACE THE SHIFT LOCK CONTROL UNIT.