NHTSA Owner Complaint Log
This page lists owner-reported complaints filed with NHTSA for the 2005 Infiniti G35. Complaints are unverified consumer reports submitted to NHTSA and do not by themselves prove a defect or defect rate.
Data synced from NHTSA on May 4, 2026
THE G35 COUPE IS EXPERIENCING WHAT SEEMS TO BE TIRE FEATHERING. I STARTED HEARING LOUD GROWLING SOUNDS COMING FROM THE TIRES, IT STARTED AT 11,500 MILES AND HAS GOTTEN MUCH MUCH WORSE AT 13,000 MILES. INFINITI CONSUMER AFFAIRS SAID...AND I QUOTE "THERE IS NOTHING WE CAN DO FOR YOU," SINCE THERE IS NO RECALL ON THE CAR. THE DEALERSHIPS ARE TELLING ME THAT THIS IS NORMAL SINCE IT'S A SPORTS CAR, OBVIOUSLY THESE PEOPLE DON'T KNOW ABOUT THE CARS THEY SERVICE OR BASIC AUTO MECHANIC INFO. THEY DID ADMIT THAT THE TIRES ARE CUPPING, BUT ARE NOT DOING ANYTHING ABOUT IT. THE SOUND IS UNBEARABLE AND INFINITI DON'T WANT TO ADMIT THAT THEIR CARS HAVE A PROBLEM THAT SO MANY PEOPLE ARE EXPERIENCING. SHAME ON THEM. *JB
LOW TIRE PRESSURE MONITORING SYSTEMS MUST BE REPROGRAMMED BY THE DEALER IF WHEELS ARE ROTATED, IF A FULL SIZE SPARE TIRE REPLACES A WHEEL THE REPROGRAMMING IS AT CONSUMER'S COST. THIS FORCES CONSUMERS TO HAVE TO GO BACK TO THE DEALERSHIP FOR SOMETHING WHICH USED TO BE DONE AT HOME. I BLAME NHTSA FOR PUSHING TIRE PRESSURE MONITORING SYSTEMS, WITHOUT ENFORCING MANUFACTURERS MAKING IT POSSIBLE FOR CONSUMERS TO SET THEIR OWN TIRE PRESSURES , AND THIS ADDED UNNECESSARY COST TO REGULAR MAINTENANCE WHICH USED TO BE FREE.*AK
I PURCHASED A 2005 INFINITI G35 SEDAN WITH THE "REVUP" MOTOR, NEW WITH 6 MILES ON IT. I DON'T HAVE A DEALER AROUND ME SO ON MY FIRST OIL CHANGE I WENT TO A LOCAL OIL PLACE AND HAD THE RECOMMENDED OIL AND FILTER INSTALLED, THAT WAS @ 3000 MILES. WITH AROUND 4,800 MILES ON IT I NOTICED A LOUD VALVE LASHING SOUND COMING FROM THE ENGINE WHEN IT WAS COLD STARTED, I SHUT IT OFF AND CHECKED THE OIL, NOTHING ON THE STICK. PUT IN ONE QT., NOTHING 2QTS., NOTHING FINALLY ON THE THIRD QT. IT REGISTERED A QT. LOW. I WAS FOUR QTS. LOW! I JUMPED ONTO THE MAIN 350Z AND G35 MESSAGE BOARDS AND THERE IT WAS MANY MANY PEOPLE WITH THE SAME PROBLEM. AFTER READING ABOUT PEOPLE ON THEIR THIRD ENGINE HAVING THE SAME PROBLEMS I DECIDED TO BITE THE BULLET AND HAVE THE REBUILD DONE BY A LOCAL SHOP. WHEN THE MOTOR WAS BROKE APART I WAS APPALLED EVERY PISTON HAD SUSTAINED DAMAGE. ALL OF THE RING LANDS WERE FRACTURED AND A COUPLE WERE COMPLETELY BROKE OFF. THE WAY THAT I SEE IT I SPENT 7000 DOLLARS TO FIND OUT WHAT THE PROBLEM IS AND I THINK I KNOW!!! PS I DO HAVE MULTIPLE PICTURES OF THE PISTONS IF YOU NEED IT. KP *TR
BRAND NEW 2005 INFINITI G35X, 5 DAYS OLD. DRIVING WITH MY SON AND A PASSENGER UP A HILL APPROX 60 MPH, ENTERED TURN SAW A TRUCK, WENT TO APPLY BREAKS BUT THEY DID NOT WORK. I TURNED THE VEHICLE SO AS TO NOT HIT THE TRUCK DIRECT AND CAUSE LESS DAMAGE. THE DRIVER OF THE OTHER VEHICLE DID NOT HEAR THE BREAKS, MY SON NOR HIS FRIEND FELT THE VEHICLE TRY TO STOP. RESULT IS $2500 IN BODY DAMAGE TO MY CAR. THE DEALER STATES NOTHING IS WRONG AND THAT IT IS MY FAULT. INFINITI HAS OPENED A CASE BUT WILL NOT HAVE AN INSPECTOR AVAILABLE UNTIL OCTOBER 24TH. 6 WEEKS FROM INCIDENT. *NM
THE THIRD BRAKE LIGHT INSIDE THE REAR GLASS DOES NOT WORK AND NEVER HAS. IT IS NOT JUST MINE THAT DOESN'T EITHER. ALMOST ALL G35'S WITHOUT OEM SPOILER HAVE THIS ISSUE.
AN INTERMITTENT PROBLEM HAS BEEN EXHIBITED TWICE IN THE 200+ MILES THAT THE CAR HAS BEEN DRIVEN SINCE WE TOOK DELIVERY. THE FOLLOWING IS A DESCRIPTION OF WHAT HAPPENS. THIS HAPPENED BOTH TIMES WHILE TRAVELING AT NOMINAL SPEEDS, ABOUT 30 MPH AND STARTING TO APPLY THE BRAKES TO STOP THE VEHICLE. UPON APPLYING THE BRAKES, THEY FELT VERY SPONGY AND DID NOT STOP THE CAR. SIMULTANEOUSLY THE ENGINE RPM INCREASED WHICH FURTHER PREVENTED STOPPING OF THE CAR. (FOR A TIME IT SEEMED AS THOUGH THE ENGINE WAS WORKING AGAINST THE BRAKES.) WHEN THE BRAKES WERE DEPRESSED HARDER THIS CONTINUED. FINALLY, AFTER 5 SECONDS OR SO OF THIS VERY SCARY AND UNUSUAL FEELING THE ENGINE RPM DROPPED AND THE BRAKES STARTED WORKING NORMALLY AND THE VEHICLE WAS ABLE TO BE STOPPED. FORTUNATELY, BOTH TIMES THE STOPPING WAS NOT IN A CRITICAL SITUATION, AND NO ACCIDENT RESULTED. AS A RESULT OF THIS INTERMITTENT DANGEROUS PROBLEM, WE CAN NO LONGER DRIVE THE CAR AND FEEL SAFE. THEREFORE, WE BROUGHT IT TO THE DEALER, COMPETITION INFINITI, SMITHTOWN, NY, AND THEY ARE INVESTIGATING THE PROBLEM. *NM
HOLE FOUND IN THE AC CONDENSER (JUST BEHIND FRONT BUMPER) CAUSING AC FAILURE/LOSS OF FREON WITH APPROX 1700 MI ON CAR. GIVEN THE GRILLWORK AND UNDER SIDE MOLDING IT IS HARD TO BELIVE DEALER EXPLANATION THAT ROCK CAUSED EVENT. REPLACEMENT COST ME $700.
I PURCHASED A 2005 G35 COUPE IN JULY OF 2005. SINCE TAKING RECEIPT OF THE VEHICLE THE CAR HAS PULLED RIGHT. THIS OCCURS ON ALL ROAD SURFACES AND IS MORE PRONOUNCED AT HIGHER SPEEDS. THE DEALER TOLD ME THE CAR WAS ALIGNED TO FACTORY SPECIFICATIONS. THEN THEY CHANGED OUT THE TIRES AND WHEELS WITH ONES FROM A LOANER CAR THAT DIDN'T PULL (AND HAD SIMILAR MILES). THEN THEY TOLD ME IT WAS DUE TO ROAD CROWN. THE LAST TIME (4TH) TIME I TOOK IT IN THEY SAID ALL INFINITI'S PULL TO THE RIGHT. A QUICK SURVEY AMONG FOUR OTHER INFINITI OWNERS AT WORK REVEALED THAT NONE OF THEIR INFINITIS PULL RIGHT. THE DEALER REFUSES TO RECTIFY THE PROBLEM. [SIDE NOTE: THERE WERE SERVICE BULLETINS FOR THE 2003 AND 2004 G35'S FOR THE SAME PROBLEM.] *NM
DURING NORMAL CITY DRIVING CONDITIONS THE VEHICLE HAS A SUDDEN LOST OF POWER DROPPING DOWN TO A SPEED OF 35-40 MPH, NO ACCELERATION IS POSSIBLE ABOVE 35-40 MPH, INDICATOR LIGHTS COME ON DASH BOARD "SLIP,VDC OFF AND SERVICE ENGINE SOON".ON TWO DIFFERENT OCCASIONS VEHICLES DIRECTLY BEHIND ME HAVE HAD TO COME TO SUDDEN STOPS TO AVOID A REAR END COLLISION, SINCE I AM UNABLE TO ACCELERATE AND THEY ARE TRAVELING AT A CONSISTENT RATE OF SPEED. THIS FAILURE HAS HAPPEN AGAIN TODAY, BRING THE TOTAL OF OCCURRENCES TO THREE(3). THE DEALERSHIP HAS REPLACES THE ACCELERATOR PEDAL 7/20/05 AND THE THROTTLE CHAMBER 9/7/05. NONE OF THESE CORRECTIONS HAVE IMPROVED THE PROBLEM. *NM
FRONT TIRES FEATHERING. AT AROUND 6000 MILES, I NOTICED THAT THERE WAS AN UNUSUAL AMOUNT OF TIRE ROAR COMING FROM THE FRONT. I HAVE TAKEN THE CAR IN FOR SERVICE TO 2 DIFFERENT INFINITI DEALERSHIPS AND BOTH SAID I SHOULD SIMPLY "REPLACE MY TIRES AND ALIGN". I HAVE LESS THAN 15,000 MILES ON THE CAR. THE 350Z HAS A VERY WIDESPREAD PROBLEM THAT IS SIMILAR TO THIS, AND AS THE G35 COUPE AND 350Z SHARE MANY COMPONENTS, INCLUDING SUSPENSION, I AM LED TO BELIEVE THERE IS A REASON FOR THE SIMILARITY.
I HAVE JUST PURCHASED A 2005 INFINITI G35 COUPE. MY WIFE IS THE PRIMARY DRIVER AND IS 5FT 2" TALL. THE PROBLEM WE HAVE IS THAT WHEN SHE DRIVES THE CAR AND BUCKLES HER SEAT BEALT THE EDGE OF THE STRAP OF THE SHOULDER BELT GOES RIGHT ACROSS THE SIDE OF HER NECK. I HAVE CONTACTED THE DEALER AND THEY HAVE TOLD ME THAT THERE IS NOTHING THAT THEY NOW OF THAT CAN BE DONE. THE IRONIC THING IS THAT ON THE SEDAN VERSION THE BELT IS ADJUSTABLE UP AND DOWN. MY FEAR IS THAT IF THERE IS AN ACCIDENT THAT THIS PROBLE COULD CAUSE SERIOUS IF NOT FATAL INJURY TO HER IF THE BELT LOCKS DURING AN ACCIDENT.
ON 2 OCCASIONS WHILE STOPPING AT A TRAFFIC LIGHT THE VEHICLE ACCELERATED BY ITSELF. HAD SOMEONE BEEN WALKING IN FRONT THEY WOULD HAVE BEEN RUN OVER BY THE TIME I WAS ABLE TO STOP THE VEHICLE. CAR WAS BROUGHT BACK TO DEALER, AND AFTER 3 DAYS OF DIAGNOSTICS THEY COULD NOT FIND THE PROBLEM. I ONLY HAD THE CAR LESS THAN 2 WEEKS WHEN THESE 2 INCIDENTS HAPPENED, AND I DO NOT WANT TO GET BEHIND THE WHEEL OF THIS CAR ANYMORE . TOLD THIS TO INFINITI, AND THEY WERE CHECKING WITH DEALER ,AND SUPPOSE TO GET BACK TO ME. *AK *NM
THE "SLIP" LIGHT FLASHED WHEN COASTING AT ABOUT 7-10 MPH. THE "SLIP" LIGHT IS A FUNCTION OF THE ABS SYSTEM. THIS OCCURRED AS SOON AS I DROVE IT OFF OF THE DEALERS LOT, AND IT WAS MY FIRST TIME DRIVING. THIS VEHICLE (INTERNET ORDER, SO I DIDN'T HAVE A CHANCE TO DRIVE THIS EXACT VEHICLE BEFORE I PURCHASED THE CAR). AS THE "SLIP" LIGHT FLASHES, I HEAR THE GRINDING NOISE OF WHAT APPEARS TO BE THE ABS SYSTEM ENGAGING. I TOOK IT INTO THE DEALERSHIP AND FOR 4 DAYS, THEY COULD NOT FIGURE OUT THE PROBLEM. AFTER THE 4TH DAY, THEY REPLACED THE SPEED SENSOR IN THE RIGHT REAR WHEEL. ON THE WAY HOME AFTER PICKING UP MY CAR AFTER 6 DAYS IN THE SHOP, THE "SLIP" LIGHT CONTINUED TO FLASH AT 7-10 MPH. I CALLED THE SERVICE DEPARTMENT AGAIN AND THEY SAID THAT THEY'LL TRY REPLACING THE ABS CONTROL UNIT. AFTER WAITING OVER A WEEK, THE DEALER TOLD ME THAT THE PART WAS IN. WHEN I DROPPED OFF THE, THEY TOLD ME THAT THEY HAD ORDERED THE WRONG PART. NOW, IT'S SCHEDULED TO BE IN THE SHOP FOR 3 DAYS. THE DEALER TELLS ME THAT THEY ARE NOT SURE THAT THIS WILL CURE THE PROBLEM. I CANNOT RELY ON THE BRAKE SYSTEM OF THIS CAR NOR DO I TRUST THE SERVICE DEPARTMENT OF THE INFINITI DEALERSHIP. *AK
I HAVE A 2005 INFINITI G35 SEDAN WITH A REAR WINDOW THIRD BRAKE STARTED TO NOT WORK CORRECTLY. THE ISSUE STARTED SOMETIME AROUND 75,000 MILES WHERE THE BRAKE LIGHT WOULD ONLY BE DIM WITH TWO OF THE LEDS NOT WORKING AT ALL AND SOMETIMES THE BRAKE LIGHT WOULD ENTIRELY NOT TURN ON. NOW AT 98,000 MILES, THE ISSUE IS GETTING WORSE WITH THE LIGHT NOT TURNING ON 90% OF THE TIME. I HAVE NOT TRIED TO FIX THE PROBLEM MYSELF DUE TO THE RESULTS OTHERS HAVE BEEN TALKING ABOUT ON THE WWW.G35DRIVER.COM FORUM. I WAS QUOTED A HIGH PRICE TO REPLACE THE THIRD BRAKE LIGHT AND IT WAS WITH A PART NOT IDENTICAL TO THE ORIGINAL. THERE SHOULD BE A RECALL ON THIS ISSUE DUE TO THE SAFETY ADDITION THE LIGHT IS MADE FOR. THERE ARE STRICT LAWS IN CALIFORNIA REGARDING THE OPERATION OF THE THIRD BRAKE LIGHT WORKING AND NOW HOPING THAT I DO NOT GET PULLED OVER DUE TO THIS ISSUE. *TR