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Infiniti Q45Model year report

2002 Infiniti Q45 Problems

Complaints
20filed with NHTSA
Median mileage
63,000miles, 17 complaints with mileage
Recalls
1campaigns 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
18 mpgcombined, 4.5L 8-cyl RWD · 16 city / 23 hwy

Sources: NHTSA records for the 2002 Infiniti Q45 (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 20 consumer complaints for the 2002 Infiniti Q45. The part named most often is engine cooling, with 4 complaints (20% of the total), followed by air bags (3) and exterior lighting (3). 17 of the complaints include a mileage, and 41% of those were filed for vehicles with under 50,000 miles; the median is 63,000 miles. Of all complaints, 1 involved a crash, 1 an injury, according to the filers. NHTSA lists 1 recall campaign and 43 technical service bulletins for this model year. Engine cooling complaints overlap with 1 recall campaign and 2 technical service bulletins filed under the same part. Air bags complaints overlap with 4 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

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: Fuel system (1), Other or unknown (1), Transmission and drivetrain (1).

Example complaints

Engine cooling: “1 - there is up to a two second delay when quick acceleration is required. At times it feels as if the engine completely stalled. 2 - the vehicle often will not downshift to slow the vehicle on a hill. I could be in 5th gear at around only 1800 RPM, and when I downshift twice, it will not go to 3rd. I often have to downshift up to 6 times for it to respond and switch to third. I need to take my eyes off the road to constantly check if I'm in the gear I select. 3 - the parking/emergency break will not hold the fully loaded vehicle on a hill. …”

NHTSA complaint #10120811, filed 2005-05, 150 miles

Air bags: “Passenger side airbag warning indicator. Trouble originally repaired under warranty, has resurfaced. Dealer states electrical problem not covered by warranty as warranty period has expired.”

NHTSA complaint #10246499, filed 2008-10, 92,000 miles

Wheels: “I had a problem with my car, with the tires constantly leaking. I had to fill them with air all the time, had them checked a number of times, and had to have the rims cleaned and reground, etc., trying to determine and solve the problem. After incredible aggravation, we finally tracked the problem down to cracks in the valve stems. …”

NHTSA complaint #11228277, filed 2019-06, 60,000 miles

Mileage when problems were reported

41% of the 17 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 22,000 and 90,000 miles.

18%0–1018%10–256%25–5012%50–7529%75–10018%100–1500%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (17 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 63,000 miles.

Complaints by year filed

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

2003720052008201320152019
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 2002 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-cyl5-speed automatic162318$4,550

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

Recall details for the 2002 Infiniti Q45 → · Check a 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. 43 on record; the latest 10 are shown.

See all 43 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 2002 Infiniti Q45 have?

NHTSA recorded 20 consumer complaints for the 2002 Infiniti Q45 as of Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2002 Infiniti Q45 is reported most often?

Engine cooling is named most often, in 4 complaints (20% of the total), followed by air bags with 3.

Has the 2002 Infiniti Q45 been recalled?

NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2002 Infiniti Q45 get?

The EPA rates the 2002 Infiniti Q45 (Q45, 4.5L 8-cyl) at 18 mpg combined, 16 city and 23 highway, with an estimated annual fuel cost of $4,550 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2002 Infiniti Q45 reported?

Among the 17 complaints that include a mileage, the median is 63,000 miles and the middle half falls between 22,000 and 90,000 miles; 41% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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.