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.
2005 Infiniti Qx56 Fuel Economy
β EPA Official DataEPA-rated fuel economy across 2 2005 Infiniti Qx56 trim configurations. The median figure is shown; range reflects all available trims.
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 ProgramOfficial crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.
Overall
Not RatedFrontal Crash
Not RatedSide Crash
Not RatedRollover
Not RatedSource: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.
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.
- 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.
Brake System
Fuel System
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.
- 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.
- 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.
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.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Brake System | 34 | β | β | β | |
| Fuel System | 14 | β | β | β | |
| Fuel/Propulsion System | 12 | β | β | β | |
| Gasoline | 11 | β | β | β | |
| Hydraulic | 9 | β | β | β | |
| Electrical Faults | 7 | β | β | β | |
| Headlight/Taillight Failures | 5 | β | β | β | |
| Engine Problems | 5 | β | β | β | |
| Airbag Malfunctions | 5 | β | β | β | |
| Transmission / Drivetrain | 5 | β | β | β | |
| Steering Defects | 4 | β | β | β | |
| Other | 3 | β | β | β | |
| Uncategorized Issues | 2 | 1 | β | β | |
| Suspension Failures | 2 | 1 | β | β | |
| Electric | 2 | β | β | β | |
| Equipment | 2 | β | β | β | |
| Wheel Issues | 1 | β | β | β | |
| Door Lock Issues | 1 | β | β | β | |
| Unintended Acceleration | 1 | β | β | β | |
| Air | 1 | β | 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. βtransmissionβ, βstallingβ, βbrakesβ) to filter.
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)
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 thereβ¦
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 β¦
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 β¦
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 β¦
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 Tβ¦
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 HAPβ¦
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, Tβ¦
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.
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 DIDβ¦
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 CHANGEDβ¦
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.
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 Tβ¦
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 TRUCKβ¦
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 Nβ¦
MY 2005 QX56 LOSING POWER WHILE I'M DRIVING, FEELS LIKE IT WANTS TO SHUT OFF, AND MY CHECK ENGINE IS OFF
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 β¦
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 TAβ¦
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.
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 Oβ¦
Source: NHTSA Complaints Database. Real owner reports for the 2005 Infiniti Qx56.
2005 Infiniti Qx56 Recalls
4 campaignsNHTSA 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.
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?βΎ
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?βΎ
#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?βΎ
Mileage data is not available or insufficient for this model year.
How safe is the 2005 Infiniti Qx56?βΎ
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?βΎ
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?βΎ
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.