← 20062005 model year2004 β†’
⚑ NHTSA Official DataUpdated: Jun 2026How we calculate this
Notable Issues

2005 Infiniti Qx56: Is It Reliable?
Problems, Recalls & Buyer Verdict

Shopping for a used 2005 Infiniti Qx56? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Current data includes 80 complaints, with Brake System as the top reported area.

80
Complaints
2
Crashes
β€”
Fires
6
Injuries
β€”
Deaths
4
Recalls

2005 Infiniti Qx56 Fuel Economy

βœ“ EPA Official Data

EPA-rated fuel economy across 2 2005 Infiniti Qx56 trim configurations. The median figure is shown; range reflects all available trims.

12
MPG City
12–12 range
17
MPG Hwy
17–18 range
14
MPG Combined
14–14 range
635
g COβ‚‚/mile
Regular Gasoline
⚠️Costs $12,000 more than avg vehicle over 5 years

Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 2 trims analysed.

2005 Infiniti Qx56 Safety Ratings

NHTSA 5-Star Program

Official crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.

Overall

Not Rated

Frontal Crash

Not Rated

Side Crash

Not Rated

Rollover

Not Rated
βœ“Stability Control: Standardβ—‹Forward Collision Warning: Noβ—‹Lane Departure Warning: No

Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.

Quick Answer

Based on NHTSA complaint data, the 2005 Infiniti Qx56 has 80 owner complaints, 2 crash-related complaints, and 4 recall campaigns on record. The most frequently reported component is Brake System. NHTSA reliability signal: Notable Issues.

2005 Infiniti Qx56 β€” key reliability facts
Make
Infiniti
Model
Qx56
Model year
2005
NHTSA owner complaints
80
Crash-related complaints
2
Safety recall campaigns
4
Top reported component
Brake System
Reliability signal
Notable Issues
EPA MPG combined
14
EPA MPG city / highway
12 / 17
Fuel type
Regular Gasoline
Electronic stability control
Standard

Most Common 2005 Infiniti Qx56 Problems

Top owner-reported complaint areas and where they often appear.

#1
34
complaints

Brake System

#2
14
complaints

Fuel System

#3
12
complaints

Fuel/Propulsion System

Complaint patterns center on Brake System, Fuel System, Fuel/Propulsion System. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.

Should You Buy a Used 2005 Infiniti Qx56?

The 2005 Infiniti Qx56 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase.

Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.

What to Check Before Buying a Used 2005 Infiniti Qx56

Inspection Focus

  • Inspect brake system thoroughly, including pads, rotors, and hydraulic components.
  • Verify all open recalls at nhtsa.gov/recalls.
  • Request service records for reported components, especially brake and fuel systems.
  • Have a mechanic inspect the vehicle before purchase, focusing on brakes and fuel system.

Before You Close the Deal

  • Inspect brake system thoroughly, including pads, rotors, and hydraulic components.
  • Verify all open recalls at nhtsa.gov/recalls.
  • Request service records for reported components, especially brake and fuel systems.
  • Have a mechanic inspect the vehicle before purchase, focusing on brakes and fuel system.

Shortlist with model-year data. Decide with the exact VIN.

Before buying a used 2005 Infiniti Qx56, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.

What the Complaint Data Suggests

Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology

The 2005 INFINITI QX56 has 80 NHTSA complaints, with the most reported issues concentrated in the brake system. A recurring theme appears to be fuel system and propulsion problems. Crash-related complaints are low at 2, but the overall confidence in the data is low due to limited sample size.

Key Findings
  • Brake system complaints account for the largest share of reported issues.
  • Fuel system and propulsion system complaints together total 26 reports.
  • Only 2 crash-related complaints were reported for this model year.
Top Concerns
  • Brake system issues are the most frequently reported component.
  • Fuel system problems are the second most common concern.
  • Electrical faults and headlight/taillight failures are also noted.
Data note: NHTSA complaints are consumer-submitted and do not confirm a manufacturing defect. Confidence level is low due to a single model year and limited total complaints.

All 2005 Infiniti Qx56 Complaints by Category

Every owner-reported complaint category filed with NHTSA for the 2005 Infiniti Qx56. Use this as a pre-purchase inspection checklist.

ComponentComplaintsCrashesFiresAvg MileageVolume
Brake System34β€”β€”β€”
Fuel System14β€”β€”β€”
Fuel/Propulsion System12β€”β€”β€”
Gasoline11β€”β€”β€”
Hydraulic9β€”β€”β€”
Electrical Faults7β€”β€”β€”
Headlight/Taillight Failures5β€”β€”β€”
Engine Problems5β€”β€”β€”
Airbag Malfunctions5β€”β€”β€”
Transmission / Drivetrain5β€”β€”β€”
Steering Defects4β€”β€”β€”
Other3β€”β€”β€”
Uncategorized Issues21β€”β€”
Suspension Failures21β€”β€”
Electric2β€”β€”β€”
Equipment2β€”β€”β€”
Wheel Issues1β€”β€”β€”
Door Lock Issues1β€”β€”β€”
Unintended Acceleration1β€”β€”β€”
Air1β€”β€”β€”

Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.

Real Owner Complaints

Read what owners actually reported to NHTSA for the 2005 Infiniti Qx56. Type a keyword (e.g. β€œtransmission”, β€œstalling”, β€œbrakes”) to filter.

Showing 80 most recent complaints

Steering DefectsNov 14, 2024

I started to break saw a major traffic jam . And my steering started shaking and my breaks did not Stop like they're supposed to.almost was i huge crash w I th my [XXX] and [XXX] old INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Fuel SystemNov 7, 2022

The contact owns a 2005 Infiniti QX56. The contact stated that while driving approximately 75 MPH, the vehicle lost motive power and stalled. The vehicle was later towed to the residence where it was discovered that no fuel was present although the fuel gauge indicated that there…

Steering DefectsJan 4, 2021

THE VEHICLE WILL LOSE POWER TO THE BRAKES WHILE DRIVING INTERMITTENTLY. WHEN PROBLEM OCCURS YOU WILL LOSE POWER STEERING AND PRESSURE TO BRAKING SYSTEM. ALSO THE DRIVER HID HEADLAMP GETS MOISTURE IN IT WHENEVER IT RAINS. I HAVE HAD TO REPLACE THE HID BULB ABOUT 6 TIMES IN THE …

Brake SystemAug 13, 2020

DRIVING 30 MPH IN MANHATTAN NEW YORK CAME TO A RED LIGHT PRESSED BRAKE PEDAL FELT NO BRAKES PUMPED BRAKES FELT LIKE THERE WAS LITTLE TO NO BRAKING ABS LIGHT CAME ON SO DID BRAKE LIGHT RAN THROUGH THE RED THANK GOD NO CARS WHERE I FRONT OF ME ,EVENTUALLY STOPPED PULLED ASIDE THEN …

Electrical FaultsJun 26, 2020

WHILE DRIVING IN RESIDENTIAL/BUSINESS AREA MY VEHICLE COMPLETELY LOST POWER AND TURNED OFF. I DRIFTED TO THE SIDE OF THE ROAD WITHOUT POWER STEERING. TRIED TO START VEHICLE AGAIN. VEHICLE WOULD START BUT WOULD IMMEDIATELY DIE-WOULD NOT IDLE. AFTER RESTING APPROX 5 MINUTES I WAS …

Brake SystemNov 3, 2019

EVERY ONCE IN A WHILE, SEEMINGLY AFTER SLOW DRIVING WHERE THERE ARE MANY STOP SIGNS NOT TOO FAR APART, THE BRAKE LIGHT COMES ON, THE BRAKE PEDAL WEAKENS AND BRAKE SYSTEM MAKES A RATTLING NOISE WHEN THE PEDAL IS PRESSED. THEN I TURN OFF THE VEHICLE AND RESTART IT AND ALL IS BACK T…

Brake SystemSep 21, 2019

WHEN DRIVING, THE BRAKE LIGHT COMES ON FOR NO REASON AND CAUSES THE BRAKES TO WORK INAPPROPRIATELY. IT BECOMES VERY HARD TO BRAKE. THE BRAKES SEEM TO FALL THROUGH AND THERE IS A GRINDING SOUND FROM THE BRAKES. IF I TURN THE VEHICLE OFF, AND THEN BACK ON IT WORKS FINE. THEN IT HAP…

Uncategorized IssuesπŸ’₯ CrashSep 3, 2019

WHILE DRIVING STRAIGHT ON INTERSTATE I-95 DURING RUSH HOUR AT APPROXIMATELY 30 MILES/HOUR, I PRESSED ON THE BRAKES AND THE PEDAL DROPPED DOWN AND STARTED MAKING A WEIRD NOISE (LIKE GRINDING SOUND) AND THE CAR WOULDN'T STOP. THE ABS LIGHT TURNED ON, CHECK ENGINE LIGHT TURNED ON, T…

Fuel/Propulsion SystemJun 1, 2019

FUEL GAUGE SHOWS 1/4 TANK BUT IT IS EMPTY. THIS CAUSED THE VEHICLE TO STALL ON THE HIGHWAY. VERY DANGEROUS SITUATION COULD HAVE OCCURRED. WAS ABLE TO FIND SAFETY BESIDE THE HIGHWAY BUT THANKFUL IT DID NOT HAPPEN IN THE MIDDLE OF A BUSY HIGHWAY.

Electrical FaultsMay 18, 2019

MY AIRBAG LIGHT STAYS ON CONSTANTLY. THERE IS A KNOCKING SOUND THAT OCCURS AS WELL WHEN I'M DRIVING. I'M CONCERNED IF I'M INVOLVED IN A COLLISION MY AIRBAGS WILL NOT DEPLOY. I CONTACTED INFINITI AND WAS TOLD THEY NEED TO RESET IT AND WILL COST $800.00 AND MY EXTENDED WARRANTY DID…

Brake SystemOct 10, 2018

RANDOMLY, I WILL STEP ON THE BRAKES AND THE BRAKES BEGIN TO PULSATE. THEN IT SOUNDS LIKE GRINDING SOUND AND THE BRAKE PEDAL LOSES PRESSURE. ALMOST LIKE IT HIT A VOID AND DROPPED TO THE FLOOR. I HAD TO TRY AND SLOW DOWN VEHICLE TO COME TO A STOP. CALIPERS AND PADS WERE ALL CHANGED…

Brake SystemSep 14, 2018

AFTER DRIVING IN STOP AND GO TRAFFIC, SLOW SPEED WITH MANY STOPS, THE BRAKE PEDAL LOSES POWER AND BEGINS TO PULSATE. WHEN THIS HAPPENS, THE EMERGENCY BRAKE LIGHT ILLUMINATES ON THE DASHBOARD. TURMING THE VEHICLE ON/OFF SEEMS TO RESET THE CAR AND THE ISSUE IS RESLOVED.

Brake SystemSep 14, 2018

I AM HAVING BRAKE ISSUES WITH MY 2005 INFINITI QX56. THE BRAKE LIGHT KEEPS COMING ON AND IT MAKES A GRINDING NOISE. IT IS ALSO VERY HARD TO GET IT TO COME TO A STOP. JUST YESTERDAY, I ALMOST COULD NOT GET THE VEHICLE TO STOP AT A RED LIGHT. I AM ALSO HAVING AN ISSUE WITH T…

Brake SystemDec 21, 2017

WHILE DRIVING ,I PRESSED ON THE BRAKES AND THE PEDAL DROPPED DOWN AND STARTED MAKING A WEIRD NOISE KIND OF LIKE LOOSE METAL PARTS AND THE TRUCK WOULDN'T STOP. THE ABS LIGHT TURNED ON. IT FELT LIKE THE BRAKES LOCKED UP . I MANAGED TO PULL TO THE SIDE OF THE ROAD AND SHUT THE TRUCK…

Fuel/Propulsion SystemOct 23, 2017

I WAS TOLD THE VEHICLE CAN NOT HAVE RECALL PERFORMED BECAUSE IT HAD AN AFTERMARKET FUEL PUMP. MY DAD GAVE ME THE VEHICLE BEFORE HE PAST SO I'M NOT SURE IF SOME ONE ELSE HAS WORKED ON VEHICLE. THE VEHICLE IS CAUSING GAS PROBLEMS THAT ARE UNSAFE. I WAS TOLD BY THE DEALER TO BUY A N…

Uncategorized IssuesOct 15, 2017

MY 2005 QX56 LOSING POWER WHILE I'M DRIVING, FEELS LIKE IT WANTS TO SHUT OFF, AND MY CHECK ENGINE IS OFF

Fuel/Propulsion SystemSep 26, 2017

I AM HAVING AN ISSUE WITH THE FUEL GAUGE ON MY 2005 INFINITI QX56. THE FUEL GAUGE IS NOT READING CORRECTLY. IT STOPS READING CORRECTLY ONCE IT REACHES ABOUT HALF A TANK OF GAS. I WAS DRIVING ON THE FREEWAY AT NIGHT AND I RAN OUT OF GAS. THIS WAS A VERY SCARY SITUATION BECAUSE …

Fuel/Propulsion SystemJul 31, 2017

TL* THE CONTACT OWNS A 2005 INFINITI QX56. WHILE DRIVING APPROXIMATELY 60 MPH, THE FUEL GAUGE DISPLAYED HALF A TANK; HOWEVER, THE VEHICLE RAN OUT OF FUEL. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE CONTACT COASTED THE VEHICLE TO THE SIDE OF THE ROAD. THE VEHICLE WAS NOT TA…

Suspension FailuresMay 28, 2017

DRIVER SIDE FRONT SUSPENSION SPRING COMPLETELY BROKEN AND COLAPSED LEAVING THE CAR ONLY SUPPORTED BY THE DRIVER ABSORBER SHOCK. THE LEFT FRONT END IS LEANING 2 INCHES LOWER THAN USUAL. I ASSUME THIS A HAZARD AND COULD CAUSE A VEHICLE TO LOOSE CONTROL AND ACCIDENTS.

Fuel/Propulsion SystemJan 26, 2017

TL* THE CONTACT OWNS A 2005 INFINITI QX56. WHILE DRIVING 60 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT MENTIONED THAT THE VEHICLE RESTARTED AFTER BEING REFUELED; HOWEVER, THE FUEL GAUGE DISPLAYED THAT THERE WERE THREE QUARTS O…

Page 1 of 4

Source: NHTSA Complaints Database. Real owner reports for the 2005 Infiniti Qx56.

2005 Infiniti Qx56 Recalls

4 campaigns

NHTSA recall campaigns for the 2005 Infiniti Qx56. 4 recall campaigns are on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.

10E01900020/05/2010
SUSPENSION:FRONT:CONTROL ARM:LOWER ARM

08V28400027/06/2008
EQUIPMENT:APPLIANCE:AIR CONDITIONER

10V51700028/10/2010
ENGINE AND ENGINE COOLING

10V074000Mar 3, 2010
FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

Compare Infiniti Qx56 Model Years

Compare complaint and recall volume across years to see whether 2005 lands in a lower-risk or higher-risk part of the model timeline.

2013201220112010200920082007200620052004

2005 Infiniti Qx56 Buying FAQ

Buyer-focused answers based on real NHTSA complaint and recall data for this model year.

Is the 2005 Infiniti Qx56 reliable?β–Ύ

Notable Issues. NHTSA currently shows 80 owner complaints, 2 crash-related complaints, and 4 recall campaigns for this model year. The 2005 Infiniti Qx56 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.

What are the most common problems with the 2005 Infiniti Qx56?β–Ύ

#1: Brake System (34 complaints). #2: Fuel System (14 complaints). #3: Fuel/Propulsion System (12 complaints)

At what mileage do problems start on the 2005 Infiniti Qx56?β–Ύ

Mileage data is not available or insufficient for this model year.

How safe is the 2005 Infiniti Qx56?β–Ύ

Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2005 Infiniti Qx56, NHTSA complaints include 2 crash-related reports and 0 fire reports out of 80 total complaints. 6 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.

Does the 2005 Infiniti Qx56 have any recalls?β–Ύ

Yes. 4 NHTSA recall campaigns affect the 2005 Infiniti Qx56. A major recall area is SUSPENSION:FRONT:CONTROL ARM:LOWER ARM. 4 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.

Should I buy a 2005 Infiniti Qx56?β–Ύ

The 2005 Infiniti Qx56 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Brake System during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.

Wider context: See the full Infiniti Qx56 reliability report with year-by-year comparison.

Owner Reliability Rating

Rate the 2005 Infiniti Qx56 based on your ownership experience.

Add your rating:

Ratings are based on owner experience and are separate from NHTSA data shown above.

Check the Exact Vehicle History Before You Buy

Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.