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KLUNK

2005 Infiniti Qx56

The Verdict

79 Solid Pick

The 2005 Infiniti Qx56 has 79 owner complaints filed with NHTSA. The most reported issues are brakes (33 complaints) and engine (29 complaints). With a Klunk Score of 79/100, it earns a "Solid Pick" rating. If you're shopping for a Infiniti Qx56, consider the 2009 model year which has 91% fewer complaints.

Safe Bet

The 2009 has 91% fewer complaints

View the 2009 Infiniti Qx56 dashboard →

79

Klunk Score: Solid Pick

Fewer complaints than most vehicles. Generally dependable, but check the top problems below.

How is this calculated?

The Klunk Score ranks this vehicle year against all others in our database based on total owner complaints filed with NHTSA. 100 = fewest complaints (top tier), 0 = most complained-about. Scores above 60 are better than average; below 40 means more problems than most.

Recalls 2

Active safety recalls from NHTSA for this vehicle year.

08V284000 EQUIPMENT:APPLIANCE:AIR CONDITIONER

NISSAN IS RECALLING 180,664 MY 2005-2006 TITAN, ARMADA AND INFINITY QX56 VEHICLES MANUFACTURED AFTER MARCH 17, 2005, THAT ARE EQUIPPED WITH A VISTEON AIR CONDITIONING CONDENSER FAN MOTOR. THE FAN M...

Risk

THIS COULD CAUSE CORROSION IN THE MOTOR LEADING POSSIBLY TO OVERHEATING AND A FIRE.

Remedy

DEALERS WILL INSTALL A 'THERMAL PROTECTOR KIT' AND TEST THE AIR CONDITIONING CONDENSER FAN MOTOR AND REPLACE IT IF NECESSARY. THE RECALL BEGAN ON AUGUST 2, 2008. OWNERS MAY CONTACT NISSAN AT 1-80...

Reported Apr 10, 2026

10V074000 FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

NISSAN IS RECALLING CERTAIN MODEL YEAR 2005-2009 TITAN, ARMADA, AND INFINITI QX56 VEHICLES. THE INSTRUMENT PANEL FUEL GAUGE MAY INACCURATELY DISPLAY THAT THE VEHICLE STILL HAS SOME FUEL, TYPICALL...

Risk

THIS COULD CAUSE THE VEHICLE TO RUN OUT OF GAS AND STALL ON THE HIGHWAY, WHICH COULD CAUSE A CRASH.

Remedy

DEALERS WILL REPLACE THE FUEL SENDER UNIT INSIDE THE FUEL TANK WITH A NEW IMPROVED SENDER CARD. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 22, 2010. OWNERS M...

Reported Mar 3, 2010

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Under the Hood

Each number is a complaint. Darker = bigger problem.

YearBodyBrakesElectricalEngineTransmission
200476317163
20058336293
20061556125
200769510
200810199122
200921220
2010142900
20111804540
201210410323
2013731192

By Category

Brakes
33
Engine
29
Body
8
Electrical
6
Transmission
3

By Severity

1
39
2
38
4
2

Worst Problems

Complaints

Brakes 1

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)

20mo ago
Engine 1

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 was a quarter tank of fuel in the tank. After adding fuel, the vehicle was restarted, and the vehicle operated as designed. The cause of the failure was not yet determined. The manufacturer was notified of the failure and the contact was informed that the vehicle was not included in the NHTSA Campaign Number 10V074000 (Fuel System, Other). The contact indicated that the vehicle had experienced the same failure listed in the recall. The local dealer was not contacted. The failure mileage was 150,000.

44mo ago
Brakes 2

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 PAST YEAR. ALSO THERE SEEMS TO BE AN ELECTRICAL ISSUE WITH THE ONBOARD COMPUTER THAT CAUSES THE TACHOMETER TO NOT WORK OR READ CORRECTLY.

67mo ago
Brakes 1

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 TURNED VEHICLE OFF AND THEN ON THE BRAKES WORKED FINE TOOK IT TO STRAIGHT TO MECHANIC BECAUSE I DIDN'T FEEL SAFE DRIVING THE TRUCK . HE SAID EVERYTHING LOOKED FINE YOUR BRAKE PADS ROTORS FLUID LEVELS AND TIRES ARE IN GOOD CONDITION HE CONNECTS HIS SCAN TOOL AND SAID HE DIDN'T FIND ANY CODES .I TOLD HIM TO KEEP THE CAR DRIVE IT UNTIL HE COULD FIGURE OUT THE PROBLEM 1 WEEK AFTER HE CALLS ME AND SAID HE WAS DRIVING ABOUT 25 MPH IN BROOKLYN NEW YORK AND THE BRAKE LIGHT ABS LIGHT CAME ON THEN HE HAD NO BRAKES TOLD ME 'IT FELT AS IF HE WAS DRIVING ON ICE 'HE THEN SCANNED THE CAR WHEN HE GOT BACK TO THE SHOP AND SAID IT HAD A CODE DTC C1179 ADVISED ME TO TAKE IT TO INFINITI TO GET IT DIAGNOSED BECAUSE IT'S A SERIOUS AND POTENTIALLY DEADLY PROBLEM. CALLED INFINITI NORTH AMERICA HOTLINE AND WAS TOLD THERE WERE NO RECALLS FOR THIS SERIOUS PROBLEMS THEY TOLD ME TAKE IT TO THE DEALERSHIP TO HAVE THEM SERVICE THE CAR SO NOW I HAVE TO DRIVE A CAR WITH BRAKE MAYBE WORKING OR MAYBE NOT WORKING TO HAVE THE DEALERSHIP POTENTIALLY OVERCHARGE ME TO FIX A MANUFACTURERS DEFECT THAT THEY KNOW ABOUT I'M HAPPY THAT I WAS IN BROOKLYN DRIVING ONLY 25 -30 PER WITHOUT MY CHILDREN IN THE CAR.I LIVE IN JERSEY AND NORMALLY ON THE HIGHWAY DRIVING (50-65 DEPENDING ON POSTED SPEED LIMITS IF THIS BRAKE PROBLEM HAPPENED OMG . I READ UP ON THE CODE AND FOUND NUMEROUS VEHICLES COMPLIANTS ABOUT THIS DANGEROUS BRAKE PROBLEM. C1179 DELTA STROKE SENSOR NISSAN TITAN. NISSAN ARMADA AND INFINITI QX56 2004 - APROX 2010 THEY NEED TO ISSUE A RECALL TO MAKE THESE VEHICLES SAFE TO DRIVE

72mo ago
Engine 2

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 ABLE TO START AGAIN AND CONTINUE HOME. THIS HAS HAPPENED 3 TIMES IN THE PAST 2 MONTHS. I AM TERRIFIED TO DRIVE THIS VEHICLE AGAIN. I ALSO CANNOT KEEP THE DRIVERS SIDE HEADLIGHT WORKING. BULBS CONSTANTLY BLOW OUT AT OVER 300.00 DOLLARS EACH. *TR

73mo ago
Brakes 2

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 TO NORMAL UNTIL THE NEXT TIME, CAN BE DAYS OR SOMETIMES WEEKS.

81mo ago
Brakes 1

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 HAPPENS AGAIN SPARATICALLY.

83mo ago
Body 4

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, THE PEDAL LOST PRESSURE AND THE BRAKES LOCKED UP. I ENDED UP IN A CRASH, REAR-ENDING THE VEHICLE IN FRONT OF ME. THE CAR HAS NOW BEEN REPAIRED FROM DAMAGES FROM CRASH BUT MECHANIC FOUND NO PROBLEM WITH BRAKE SYSTEM. ABS SENSORS, CALIPERS, DISKS AND PADS WHERE CHANGED AS PRECAUTION BUT PROBLEM REAPPEARS FROM TIME TO TIME AND SEEMS TO RESET WHEN VEHICLE IS TURNED OFF AND ON AGAIN (BRAKE PETAL RAISED BACK UP, GRINDING SOUND DISAPPEARS AND THE CHECK ENGINE LIGHT AND ABS LIGHT SHUT OFF). I VISITED TWO INFINITY DEALERS AND BOTH OF THEM MENTIONED THAT IT WAS A RECURRING PROBLEM WITH THIS MODEL CAR AND THE PROBLEM WAS AN ISSUE WITH THE MASTER CYLINDER'S DESIGN.

83mo ago
Engine 1

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.

86mo ago
Electrical 2

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 NOT COVER IT AND WAS NOT PART OF THE RECALL LIST. THE IPDM ECM RELAY SWITCH CAUSES MY INSTRUMENT CLUSTER GAUGE TO GO IN AND OUT, THE CHECK ENGINE LIGHT COMES ON, MY TRUCK JERKS TRYING TO SWITCH GEARS, IT WILL SOMETIMES START UP AFTER SEVERAL TRIES, IT CAUSES THE RPM'S TO READ OVER 7 WHEN I'M ONLY DRIVING 60 MPH. IT SHOULD READ BETWEEN 2 AND 3 RPM'S. I'M CONSTANTLY SWITCHING THE ECM RELAY PLUGS TO START MY TRUCK. THE AIR BAG AND IPDM ECM RELAY WAS NOT COVERED UNDER MY EXTENDED WARRANTY WHEN I PURCHASED MY VEHICLE. THIS HAS BEEN GOING ON SINCE I PURCHASED IT 4YEARS AGO.

87mo ago
Brakes 2

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, PER DEALER FINDINGS. AND IT CONTINUED. I DO NOT GO OVER 40 MPH FOR FEAR OF THIS HAPPENING AGAIN. IT'S CLEARLY AND UNSAFE SITUATION AND THE DEALER CLAIMS THEY ONLY HEAR THIS WHEN PEOPLE HAVE BACK BRAKES. GUESS WHAT, I BROUGHT IT TO ANOTHER INFINITI SERVICE CENTER, AND THEY SAID THE SAME THING EVEN THOUGHT THE OTHER SERVICE CENTER REPLACED JUST ABOUT EVERYTHING. ANOTHER MECHANIC, FROM THE SERVICE CENTER, TOOK ME ASIDE AND SAID THIS IS FREQUENTLY HAPPENING WITH THIS MODEL AND IT IS A MASTER CYLINDER ISSUE FROM DESIGN. COME ON INFINITI, FIX THIS!

94mo ago
Brakes 2

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.

95mo ago
Engine 2

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 THE FUEL GAUGE. I HAVE RUN OUT OF FUEL 3 TIMES AND EACH TIME THE THE GAUGE IS SHOWING BETWEEN 1/2 AND 1/4 FULL. BACK IN SEPTEMBER OF 2017 WE WERE ON A MAJOR HIGHWAY. ALL OF A SUDDEN WE LOST POWER AND WE WERE GOING 70 MILES AN HOUR. WE WERE IN THE PASSING LANE AND WE LUCKY TO GET OVER TO THE SIDE OF THE ROAD. WE WERE ALMOST IN A SEVERE ACCIDENT. I HAVE RESEARCHED BOTH ISSUES ONLINE. I KNOW THAT THERE HAVE BEEN RECALLS ON THESE ISSUES. WHEN I CALLED INFINITI ABOUT THIS, I WAS TOLD THAT THERE WAS IN FACT RECALLS BUT MY VEHICLE WAS NOT ON THE RECALL LIST. OBVIOUSLY, IF I AM HAVING ISSUES WITH BOTH OF THE THINGS AND THERE HAVE BEEN RECALLS ON BOTH OF THEM, MY VEHICLE SHOULD BE ON THIS RECALL LIST. I SOMETHING NEEDS TO BE DONE ABOUT THIS BEFORE PEOPLE ARE SEVERELY INJURED OR WORSE.

95mo ago
Brakes 2

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 OFF. I TURNED IT BACK ON AND IT SEEMED TO RESET THE SYSTEM. BRAKE PETAL RAISED BACK UP AND THE CHECK ENGINE LIGHT SHUT OFF.

104mo ago
Engine 2

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 NEW ONE PUT IT IN THEN HAVE THEM DO A RECALL. PLEASE HELP.

106mo ago
Body 1

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

106mo ago
Engine 1

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 I HAD MY KIDS IN THE CAR WITH ME AND AT THE TIME I HAD NO IDEA WHY THE VEHICLE COMPLETELY SHUT OFF BECAUSE MY METER WAS SHOWING THAT I HAD HALF A TANK OF GAS. I TOOK THE VEHICLE TO A MECHANIC THE NEXT DAY AND HE WAS ABLE TO TELL ME AFTER A FEW DAYS OF ME TAKING IT BY THE SHOP TO GET A READING, THAT THEIR WAS A PROBLEM WITH THE FUEL GAUGE READING WHICH MEANT THAT THE TANK WOULD HAVE TO BE DROPPED TO FIX THE PROBLEM. I LATER READ UP OF COMMON ISSUES WITH THE VEHICLE AND SAW THAT THIS WAS A COMMON ISSUE AND THAT THERE WAS A RECALL FOR THE SAME ISSUE. I CONTACTED MY LOCAL DEALERSHIP AND I WAS TOLD THAT THEIR WAS NO RECALL FOR MY VEHICLE. THIS IS A VERY SERIOUS ISSUE AND IT COULD HAVE CAUSED A SERIOUS ACCIDENT. I WOULD LIKE FOR MY VEHICLE TO BE ADDED TO THE RECALL LIST SO THAT THIS PROBLEM CAN BE TAKEN CARE OF SINCE THERE ARE SEVERAL VEHICLES WITH THE SAME MAKE AND MODEL WITH THE EXACT SAME ISSUE.

107mo ago
Engine 1

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 TAKEN TO THE DEALER. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 10V074000 (FUEL SYSTEM,OTHER). THE CONTACT CALLED THE MANUFACTURER AND WAS INFORMED THAT THE VIN WAS NOT INCLUDED IN RECALL AND NOTHING COULD BE DONE. THE APPROXIMATE FAILURE MILEAGE WAS 136,000.

109mo ago
Body 2

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.

111mo ago
Engine 2

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 OF FUEL INSIDE THE VEHICLE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 10V074000 (FUEL SYSTEM, OTHER). THE FAILURE MILEAGE WAS 158,000. ..UPDATED 03/29/17 *BF UPDATED 05/05/2017*JS

115mo ago

79 total

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