Research · Sport Utility Vehicle - 2WD

2001 Infiniti QX4Recalls, problems, MPG & safety

NHTSA lists 4 safety recalls and 75 owner complaints for the 2001 Infiniti QX4. Most complaints involve equipment (18) and structure (17). The EPA rates it 15 mpg combined.

Combined MPG
15mpg
EPA · 2 versions
NHTSA overall
—
Not rated by NCAP
Safety recalls
4campaigns
Latest Apr 2011
Owner complaints
75
Top: equipment
Fuel cost / yr
$4,150est.
EPA estimate, best version
01 —Recalls

Safety recalls

4 NHTSA campaigns · applies to some vehicles, check your VIN

Steering: column

Remedy pending

NISSAN IS RECALLING CERTAIN MODEL YEAR 1996-2004 PATHFINDER AND MODEL YEAR 1997-2003 INFINITI QX4 VEHICLES ORIGINALLY SOLD, OR CURRENTLY REGISTERED IN, CONNECTICUT, DELAWARE, IOWA, ILLINOIS, INDIANA, MASSACHUSETTS, MAINE, MARYLAND, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WASHINGTON D.C., WEST VIRGINIA AND WISCONSIN. IN AREAS OF THE COUNTRY IN WHICH HEAVY CONCENTRATIONS OF ROAD SALT ARE USED, A MIXTURE OF SNOW/WATER AND SALT MAY ENTER AN ASSEMBLY LOCATION HOLE IN THE UPPER STRUT HOUSING, CAUSING WATER TO COLLECT AT THE MATING SURFACE OF THE STRUT HOUSING PANEL AND THE INNER HOOD LEDGE ASSEMBLY. OVER TIME, THIS SNOW/WATER AND SALT INTRUSION MAY RESULT IN CORROSION OF THE STRUT TOWER HOUSING IN SOME SUBJECT VEHICLES.

SteeringReported Apr 20, 2011NHTSA 11V244000

Fuel system

Free remedy

ON CERTAIN VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, IOWA, ILLINOIS, INDIANA, KENTUCKY, MASSACHUSETTS, MAINE, MARYLAND, MICHIGAN, MINNESOTA, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, TENNESSEE, VERMONT, VIRGINIA, WEST VIRGINIA , WISCONSIN AND THE DISTRICT OF COLUMBIA, DURING THE COATING PROCESS OF THE FUEL FILLER TUBE ASSEMBLY, AN INSUFFICIENT AMOUNT OF COATING MAY HAVE BEEN APPLIED AT THE LOWER MOUNTING BRACKET. THIS COULD RESULT IN AN OPENING IN THE COATING WHICH CAN ALLOW WATER TO ENTER AND MAKE CONTACT WITH THE BARE METAL OF THE TUBE.

Fuel system, gasolineReported Sep 18, 2007NHTSA 07V435000

Structure: hatchback

Free remedy

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES. SOME OF THE BRACKETS USED TO ATTACH THE TWO GAS STRUTS TO THE REAR DOOR (HATCH) MAY HAVE BEEN IMPROPERLY MADE. AT HIGH AMBIENT TEMPERATURES, THE INCREASE IN GAS PRESSURE IN THE STRUT(S) COULD CAUSE ONE OR BOTH BRACKETS TO BEND, RESULTING IN THE STRUTS DETACHING FROM THE BRACKET(S) WHEN OPENING OR CLOSING THE REAR DOOR.

StructureReported Aug 30, 2001NHTSA 01V282000
Data from NHTSA Recalls API · synced Nov 7, 2026 · All recall detailsNHTSA vehicle page
02 —Complaints

Owner complaints by component

75 complaints filed with NHTSA · Dec 2000 – Jul 2022
  1. Equipment18
  2. Structure17
  3. Suspension12
  4. Steering6
  5. Power train6
  6. Wheels4
  7. Fuel system, gasoline4
  8. Engine and engine cooling4
  9. Visibility3

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

By model year

Complaints for each QX4 model year we’ve synced.

View as table
Model yearNHTSA complaints
199746
199829
199943
200031
200175
200239
200322
Crashes reported
7
Fires reported
0
Injuries reported
2
Deaths reported
0
Data from NHTSA Complaints API · synced Nov 7, 2026 · Full problem breakdownNHTSA vehicle page
03 —Common problems

What owners report most

Verbatim excerpts from NHTSA complaints, by component

Equipment

18 reports
“2001 INFINITI QX4. CONSUMER STATES THE FRONT RIGHT SIDE OF THE UNIBODY FRAME HAS RUSTED OUT DANGEROUSLY AT THE AREA OF THE LOWER CONTROL ARM INTERSECTION *TGW THE CONSUMER STATED THE FRAME HAD TO BE RE-WELDED. THE CONSUMER WAS INFORMED THE AIR CONDITIONING DRAIN LINE DRIPPED DIRECTLY ON THE SPOT OF THE CORROSION. *JB”
Owner complaint to NHTSAFiled Mar 17, 2011Structure, EquipmentODI 10391936

Structure

17 reports
“Lower control arm broke due to excessive rust/ corrosion on ENTIRE underside of vehicle. Nearly caused accident . Scared the bejesus out of us . Now afraid to drive.”
Owner complaint to NHTSAFiled Jan 11, 2022Suspension, StructureODI 11447006

Suspension

12 reports
“The contact owns a 2001 Infiniti QX4. The contact stated that while driving at unknown speed, there was an abnormal noise coming from the rear of the vehicle. The vehicle was taken to an independent mechanic where it was diagnosed that the rear struts and rear brackets needed to be replaced due to corrosion. The vehicle was taken to the dealer where they declined to repair the vehicle. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 270,000.”
Owner complaint to NHTSAFiled Mar 25, 2022SuspensionODI 11458298
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 7, 2026
04 —Key specs

Engines, transmissions & drive

2 versions rated by the EPA
EPA class
Sport Utility Vehicle - 2WD, Sport Utility Vehicle - 4WD
Engines
3.5L 6-cyl
Transmissions
Automatic 4-spd
Drive
Rear-Wheel Drive · 4-Wheel or All-Wheel Drive
Fuel
Regular Gasoline

Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.

Data from EPA fueleconomy.gov · synced Nov 7, 2026EPA listing
05 —Fuel economy

EPA fuel economy by version

City / highway / combined, annual fuel cost and CO₂
EPA
VersionCityHwyComb.Fuel / yrCO₂ g/mi
QX4 2WD
Auto 4-spd, 6 cyl, 3.5 L · Rear-Wheel Drive
141815$4,150592
QX4 4WD
Auto 4-spd, 6 cyl, 3.5 L · 4-Wheel or All-Wheel Drive
141715$4,150592
  • QX4 2WD
    Auto 4-spd, 6 cyl, 3.5 L
    14 city · 18 hwy · $4,150/yr
    15
    mpg comb.
  • QX4 4WD
    Auto 4-spd, 6 cyl, 3.5 L
    14 city · 17 hwy · $4,150/yr
    15
    mpg comb.
Data from EPA fueleconomy.gov · synced Nov 7, 2026 · Fuel cost is EPA’s annual estimate (15,000 mi, 55% city)
06 —Safety

NHTSA 5-Star Safety Ratings

1 tested variant
NHTSA has not published 5-Star Safety Ratings for the 2001 Infiniti QX4 as of Nov 7, 2026.
Data from NHTSA NCAP Safety Ratings API · synced Nov 7, 2026Vehicle 4245
07 —Maintenance

Maintenance basics

General guidance, not the OEM schedule. Check your owner’s manual.
General guidance
ItemMilesTimeNote
Engine oil & filter5,000–10,000 mi6–12 monthsFollow the oil-life monitor if fitted
Tire rotation5,000–7,500 miEvery oil changeCheck pressure monthly
Engine air filter15,000–30,000 mi1–2 yearsSooner in dusty areas
Cabin air filter15,000–25,000 mi1–2 years
Brake fluid—2–3 yearsAbsorbs moisture over time
Coolant60,000–100,000 mi5–10 yearsLong-life coolants last longer
Spark plugs60,000–100,000 mi—Iridium/platinum plugs at the long end
12V battery—3–5 yearsHeat shortens battery life
  • Engine oil & filter5,000–10,000 mi
    6–12 months
  • Tire rotation5,000–7,500 mi
    Every oil change
  • Engine air filter15,000–30,000 mi
    1–2 years
  • Cabin air filter15,000–25,000 mi
    1–2 years
  • Brake fluid—
    2–3 years
  • Coolant60,000–100,000 mi
    5–10 years
  • Spark plugs60,000–100,000 mi
    —
  • 12V battery—
    3–5 years
Typical intervals for modern cars. Severe service (towing, short trips, extreme heat or cold) shortens them.
09 —FAQ

2001 QX4 questions

How many recalls does the 2001 Infiniti QX4 have?

4 safety recalls as of Nov 7, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.

What are the most common 2001 Infiniti QX4 problems?

Owners filed 75 complaints with NHTSA. The most-cited components are equipment (18), structure (17), suspension (12). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.

What MPG does the 2001 Infiniti QX4 get?

The EPA rates the 2001 Infiniti QX4 at 15 mpg combined, depending on engine and drivetrain (2 versions rated).

Data from NHTSA & EPA · synced Nov 7, 2026