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Infiniti Q45Model year report

1994 Infiniti Q45 Problems

Complaints
30filed with NHTSA
Median mileage
—no mileage reported
Recalls
0campaigns on record
Trend
StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA crash rating
—overall rating starts with 2011 models
EPA fuel economy
17 mpgcombined, 4.5L 8-cyl RWD · 15 city / 20 hwy

Sources: NHTSA records for the 1994 Infiniti Q45 (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 30 consumer complaints for the 1994 Infiniti Q45. The part named most often is air bags, with 8 complaints (27% of the total), followed by electrical system (8) and fuel system (6). Of all complaints, 8 involved a crash, 4 a fire, 6 an injury, according to the filers. NHTSA lists 0 recall campaigns and 26 technical service bulletins for this model year. Air bags complaints overlap with 3 technical service bulletins filed under the same part. Electrical system complaints overlap with 4 technical service bulletins filed under the same part.

Not compared (before 2008). Model years 2008–2023 of the same vehicle that have at least 25 complaints are compared, and a model needs at least 3 of them.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Also reported: Steering (1), Vehicle speed control (1), Visibility (wipers, defrost, mirrors) (1), Wheels (1).

Example complaints

Air bags: “Consumer was traveling in reverse when the driver's side air bag deployed without warning. Dealer diagnosed that moisture in the control module caused the module to short circuit resulting in the bag deploying.”

NHTSA complaint #10029852, filed 2003-07

Electrical system: “My wife started the engine in a church parking lot and the battery literally exploded, spreading battery acid under the hood. Besides the battery, the only visible damage was a badly pitted fan. The battery was a replacement which had been installed by competition Infiniti, smithtown, ny, 2 years and approximately 20,000 miles earlier. After some discussion, the dealership finally agreed to pay for a replacement battery and fan. I was told that there was no further damage under the hood. An employee volunteered that this was the second exploding battery they had seen in the recent past. …”

NHTSA complaint #766178, filed 2002-08

Fuel system: “I have discussed this with another Q45 owner who has had this similar prblem. All his fuel injection assembly's have been replaced. Some more than once. The cost to replace is around $480-500 including labor.”

NHTSA complaint #716959, filed 2000-01

Engine cooling: “Engine shudders and there is no prior warning. When the vehicle shakes there is no power for ten seconds, and then picks up again. Dealership is aware of the problem.”

NHTSA complaint #868245, filed 2000-08

Complaints by year filed

Trend: stable. Complaints filed in the last 3 full calendar years are within 25% of the 3 years before.

1995199619971998199920008200120022003
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Fuel economy and running cost

EPA ratings for each 1994 Infiniti Q45 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
Q45 RWD4.5L 8-cyl4-speed automatic152017$4,850
Q45 Full-Active Suspension RWD4.5L 8-cyl4-speed automatic141916$5,150

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

NHTSA lists no recall campaigns for the 1994 Infiniti Q45 in the data used here. A recall can apply to some vehicles of a model year and not others, so check a specific vehicle by VIN at nhtsa.gov/recalls.

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 26 on record; the latest 10 are shown.

See all 26 bulletins →

Other model years of the Infiniti Q45

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
2004742,1732—18—Not enough data
200312100,0001—18—Not enough data
20022063,0001—18—Stable
20015174,6631—18—Not enough data
2000918,2331—18—Not enough data
19999114,0000—18—Not enough data
19981477,0003—18—Not enough data
199712125,0003—18—Not enough data
19967—0—17—Not enough data
19957—0—17—Not enough data
199430—0—17Not compared (before 2008)Stable
19922810,5001—17Not compared (before 2008)Stable
199134—2—17Not compared (before 2008)Stable
199028401—17Not compared (before 2008)Stable

All Infiniti Q45 model years · Best and worst years by complaints

Frequently asked questions

How many NHTSA complaints does the 1994 Infiniti Q45 have?

NHTSA recorded 30 consumer complaints for the 1994 Infiniti Q45 as of Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 1994 Infiniti Q45 is reported most often?

Air bags is named most often, in 8 complaints (27% of the total), followed by electrical system with 8.

Has the 1994 Infiniti Q45 been recalled?

NHTSA lists no recall campaigns for this model year in the data used here. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 1994 Infiniti Q45 get?

The EPA rates the 1994 Infiniti Q45 (Q45, 4.5L 8-cyl) at 17 mpg combined, 15 city and 20 highway, with an estimated annual fuel cost of $4,850 at 15,000 miles a year. Other engine and drive versions are rated differently.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.