1998 Infiniti Q45
US · Midsize Cars
The 1998 Infiniti Q45 is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- 4.1L 8-cylinder
- Power
- Not available
- Torque
- Not available
- Transmission
- 4-speed automatic
- Drivetrain
- RWD
- Fuel
- Gasoline
- Seating
- Not available
Key Performance & Dimensions
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | 4.1L 8-cylinder | |
| Displacement | 4.1 L | |
| Cylinders | 8 | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Not available from our sources: Aspiration, Power, Torque.
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 4 | |
| Drivetrain | RWD | EPA fueleconomy.gov |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 18 mpg (13.1 L/100 km) | EPA fueleconomy.gov |
| City | 16 mpg (14.7 L/100 km) | |
| Highway | 22 mpg (10.7 L/100 km) |
Not available from our sources: Electric range, Battery capacity.
Trims and configurations
1 configuration listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 3 recall campaigns for this model year. Last checked October 19, 2026.
02V171000: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
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.
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…
Reported June 24, 2002. View on NHTSA
99V129000: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
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.
Remedy: DEALERS WILL REPLACE THE ALTERNATOR.
Reported May 20, 1999. View on NHTSA
98V325000: POWER TRAIN:AUTOMATIC TRANSMISSION
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."
Remedy: DEALERS WILL REPLACE THE SHIFT LOCK CONTROL UNIT.
Reported December 14, 1998. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved October 19, 2026 · US Government public data
- NHTSA vPIC · retrieved October 19, 2026 · US Government public data
Source checked: October 19, 2026
Data verified: October 19, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Related vehicles
- 1997 Infiniti Q45
Gasoline
4.1L 8-cylinder ((FFS)) · RWD
18 mpg (13.1 L/100 km) - 1999 Infiniti Q45
Gasoline
4.1L 8-cylinder · RWD
18 mpg (13.1 L/100 km)
Frequently asked questions
What engine does the 1998 Infiniti Q45 have?
4.1L 8-cylinder. Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 1998 Infiniti Q45?
Combined fuel economy is 18 mpg (13.1 L/100 km), as published by the source shown in the specification table.
Is the 1998 Infiniti Q45 front-wheel, rear-wheel or all-wheel drive?
Drivetrain: RWD.
Are there recalls for the 1998 Infiniti Q45?
NHTSA lists 3 recall campaigns for this model year (last checked October 19, 2026). Details are in the Recalls section.