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Infiniti QX4Model year report

1999 Infiniti QX4 Problems

Complaints
43filed with NHTSA
Median mileage
135,000miles, 23 complaints with mileage
Recalls
2campaigns on record
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA crash rating
—overall rating starts with 2011 models
EPA fuel economy
15 mpgcombined, 3.3L 6-cyl 4WD/AWD · 13 city / 17 hwy

Sources: NHTSA records for the 1999 Infiniti QX4 (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error

NHTSA recorded 43 consumer complaints for the 1999 Infiniti QX4. The part named most often is steering, with 14 complaints (33% of the total), followed by suspension (14) and body and structure (8). 23 of the complaints include a mileage, and 4% of those were filed for vehicles with under 50,000 miles; the median is 135,000 miles. Of all complaints, 4 involved a crash, 2 a fire, 1 an injury, according to the filers. NHTSA lists 2 recall campaigns and 34 technical service bulletins for this model year. Steering complaints overlap with 2 technical service bulletins filed under the same part. Suspension complaints overlap with 1 recall campaign and 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: Other or unknown (2), Visibility (wipers, defrost, mirrors) (2), Engine (1), Equipment (1), Tires (1), Wheels (1).

Example complaints

Steering: “Just bought the car used 5 months ago and it's not working due to strut housing and fuel filler tube recalls. I'm disabled and homeless currently and without the ability to drive my vehicle.”

NHTSA complaint #11114972, filed 2018-07, 200,000 miles

Suspension: “While on vacation with the entire family in the vehicle and traveling down the turnpike at 75mph I started down a incline with the cruise control on and when the motor started coasting or not under load the rear end started to shake side to side so bad that I had to get on the brakes and slow down to 35 MPH and then it started to do it a this speed also (anytime not under load from gas petal it starts to wobble. Found the problem to be the rear track arm bushings where installed to make them fail by nissan,. The bushing arunder shear load as well as tension load. Not a good set up. …”

NHTSA complaint #10575244, filed 2014-03, 190,000 miles

Body and structure: “The vehicle is driven exclusively by my wife. She complained to me of a rumbling noise when turning the steering wheel. I investigated. I drove the car up & down our street and confirmed the noise. Whilst someone was turning the wheel back & forth while the vehicle was parked, I followed the noise to its source. I discovered that the left front apron had broken loose from the frame and was making contact with the steering shaft. A further look showed that where the seams of the apron and rails structures were rotted apart where they met. …”

NHTSA complaint #10343710, filed 2010-07, 225,002 miles

Fuel system: “I own a 1999 infinity QX4 the gas line erupted & all the gas leaked out the car was towed to a mechanic & upon inspection I was informed by the mechanic that there was a recall on this same defect previously I was not aware of a recall period. I contacted the Infiniti dealer & I was informed that I will have to pay for the repairs. Please let me know what is my next course of action.”

NHTSA complaint #10429345, filed 2011-10

Mileage when problems were reported

4% of the 23 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 100,000 and 190,000 miles.

0%0–100%10–254%25–504%50–7513%75–10035%100–15043%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (23 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 135,000 miles.

Complaints by year filed

Trend: falling. Complaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

’00’02’04’08’1115’14’18’22
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.

Crash test ratings

NHTSA's 5-Star Safety Ratings for the 1999 Infiniti QX4. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.

VersionOverallFrontalSideSide poleRollover
QX4 · sedan not rated4 / 5———

Ratings before the 2011 model year come from an older, less demanding test and are not comparable with ratings for 2011 and later.

Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.

Fuel economy and running cost

EPA ratings for each 1999 Infiniti QX4 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
QX4 4WD3.3L 6-cyl4-speed automatic131715$4,450

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 1999 Infiniti QX4 → · 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. 34 on record; the latest 10 are shown.

See all 34 bulletins →

Other model years of the Infiniti QX4

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20032098,0503—16—Stable
200237123,0005—15Not compared (before 2008)Stable
20017398,0004—15Not compared (before 2008)Falling
200028183,0003—15Not compared (before 2008)Rising
199943135,0002—15Not compared (before 2008)Falling
199829159,0002—15Not compared (before 2008)Stable
199745127,5002—15Not compared (before 2008)Stable

All Infiniti QX4 model years · Best and worst years by complaints

Frequently asked questions

How many NHTSA complaints does the 1999 Infiniti QX4 have?

NHTSA recorded 43 consumer complaints for the 1999 Infiniti QX4 as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 1999 Infiniti QX4 is reported most often?

Steering is named most often, in 14 complaints (33% of the total), followed by suspension with 14.

Has the 1999 Infiniti QX4 been recalled?

NHTSA lists 2 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 1999 Infiniti QX4 get?

The EPA rates the 1999 Infiniti QX4 (QX4 4WD, 3.3L 6-cyl) at 15 mpg combined, 13 city and 17 highway, with an estimated annual fuel cost of $4,450 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 1999 Infiniti QX4 reported?

Among the 23 complaints that include a mileage, the median is 135,000 miles and the middle half falls between 100,000 and 190,000 miles; 4% were filed for vehicles with under 50,000 miles.

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Crash ratings are from NHTSA’s New Car Assessment Program. 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.