What is the fuel economy of a 1998 Infiniti Q45?

EPA figures for the 1998 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 1998 Infiniti Q45?

NHTSA lists 3 safety recall campaigns for the 1998 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 1998 Infiniti Q45?

Owners have filed 14 complaints with NHTSA for the 1998 Infiniti Q45, most often about: Air Bags, Electrical System, Service Brakes, Hydraulic. Complaint counts reflect what owners report, not confirmed defects.

Infiniti · 1998

1998 Infiniti Q45

Official EPA fuel economy and NHTSA recall record, best combined figure 18 MPG.

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)

3 campaigns on record for this model year. Recall repairs are free at dealers; check your exact vehicle by VIN on nhtsa.gov/recalls.

Campaign 98V325000

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."

Campaign 99V129000

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.

Campaign 02V171000

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.

Owner complaints (NHTSA)

14 complaints filed by owners for this model year (3 involving a crash, 1 a fire). Complaints are owner reports, not confirmed defects - browse them in full on nhtsa.gov.

Air Bags 5 Electrical System 3 Service Brakes, Hydraulic 2

Decode this car's VIN All Infiniti models

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.