NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
244 reports17,000 miles · May 8, 2006
Service Brakes, Hydraulic
MY 2004 G35X SEDAN HAS 28K MILES ON IT AND I'M ON MY 3RD SET OF BRAKES. (90% OF MY DRIVING IS HIGHWAY WITH LITTLE BRAKING). THE DEALER ADVISED ME INFINITY KNOWS ABOUT THE PROBLEM AND EXTENDED THE WARRANTY TO 36K MILES AND THAT'S ALL THEY WOULD DO. AFTER JUST 100 MILES OF DRIVING WITH NEW PADS THE WHEELS ARE BLACKENED WITH BRAKE …
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MY 2004 G35X SEDAN HAS 28K MILES ON IT AND I'M ON MY 3RD SET OF BRAKES. (90% OF MY DRIVING IS HIGHWAY WITH LITTLE BRAKING). THE DEALER ADVISED ME INFINITY KNOWS ABOUT THE PROBLEM AND EXTENDED THE WARRANTY TO 36K MILES AND THAT'S ALL THEY WOULD DO. AFTER JUST 100 MILES OF DRIVING WITH NEW PADS THE WHEELS ARE BLACKENED WITH BRAKE DUST. MY LAST SET OF FRONT PADS LASTED ONLY 10K MILES. *JB
NHTSA ODI #10156990
1 miles · Apr 3, 2006
Unknown Or Other
2004 INFINITI G35 COUPE (LASER RED)- HUNDREDS ON SAND/STONE/ROCK CHIPS ON HOOD, BUMPER, FRONT FENDERS, ROOF, AND FRONT OF REAR WHEEL-WELLS. THE VEHICLE HAS LESS THAN 15,000 MILES ON IT AND IT RARELY DRIVEN ON THE HIGHWAY. TWO DEALERSHIPS INSPECTED VEHICLE AND DECLINED TO HELP. SUB-PAR PAINT TO SAY THE LEAST! *NM
NHTSA ODI #10154376
35,800 miles · Feb 28, 2006
Vehicle Speed Control
UNEXPLAINABLE/UNEXPECTED REVVING OF MY ENGINE OCCURRED AT A STOP LIGHT WHILE MY FOOT WAS ON THE BRAKE. THE ENGINE REVVED UP 5K RPM. NO APPARENT REASON FOR THIS TO OCCUR. NORMAL ROUTE TAKEN FROM WORK INVOLVES STOP AND GO TRAFFIC WITH MULTIPLE STOP LIGHTS. ABOUT 5 MILES INTO JOURNEY HOME, ENGINE REVVED AT THE LIGHT. AVERTE…
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UNEXPLAINABLE/UNEXPECTED REVVING OF MY ENGINE OCCURRED AT A STOP LIGHT WHILE MY FOOT WAS ON THE BRAKE. THE ENGINE REVVED UP 5K RPM. NO APPARENT REASON FOR THIS TO OCCUR. NORMAL ROUTE TAKEN FROM WORK INVOLVES STOP AND GO TRAFFIC WITH MULTIPLE STOP LIGHTS. ABOUT 5 MILES INTO JOURNEY HOME, ENGINE REVVED AT THE LIGHT. AVERTED DAMAGE BY PLACING VEHICLE IN PARK AND TURNING IGNITION OFF. CAR HAS PEFORMED NORMAL SINCE INCIDENT 2 WEEKS AGO. *NM
NHTSA ODI #10151408
11,500 miles · Jan 11, 2006
Service Brakes, Hydraulic
2004 INFINITI G35 FRONT AND REAR BRAKE ROTORS WERE WARPED WITH LESS THAN 11,500 MILES. *TS *NM
NHTSA ODI #10148671
18,483 miles · Nov 7, 2005
EquipmentService Brakes, Hydraulic
ONGOING REPAIR ISSUES WITH INFINITY QX56 REGARDING NUMEROUS ISSUES, PRIMARILY BRAKES. UNSAFE VEHICLE, WANT TO GET RID OF IT. OVER 30 DAYS OF VISITS TO INFINITY TO TRY TO RECONCILE ALL ISSUES, SOME OF WHICH ARE STILL PENDING. AFTER REPAIRS TO BRAKES, WE WERE TOLD THAT WHEN MANUFACTURER SENT LETTER REGARDING NEED FOR BRAKES TO …
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ONGOING REPAIR ISSUES WITH INFINITY QX56 REGARDING NUMEROUS ISSUES, PRIMARILY BRAKES. UNSAFE VEHICLE, WANT TO GET RID OF IT. OVER 30 DAYS OF VISITS TO INFINITY TO TRY TO RECONCILE ALL ISSUES, SOME OF WHICH ARE STILL PENDING. AFTER REPAIRS TO BRAKES, WE WERE TOLD THAT WHEN MANUFACTURER SENT LETTER REGARDING NEED FOR BRAKES TO BE REPAIRED, THEY KNEW THAT THIS WOULD NOT IN FACT REPAIR THE PROBLEM. *JB
NHTSA ODI #10141961
6,179 miles · Nov 4, 2005
Power Train
HEAVY VIBRATIONS FROM THE TRANSMISSION/MOTOR WHEN STOPPED AND IN NEUTRAL W/O THE AIR ON. FEELS AS IF THE VEHICLE WANTS TO STALL WHEN IT VIBRATES. VIBRATIONS GET WORSE WHEN DRIVEN AT HIGH RPM'S. INFINITI DEALER TECH ADVISES THAT IT'S A TRANSMISSION PROBLEM BUT INFINITI'S CORPORATE OFFICE CLAIMS ITS NORMAL. *NM
NHTSA ODI #10141741
16,000 miles · Oct 12, 2005
Seat Belts
REAR SEAT BELTS COME OUT OF BRACKET ON REAR OF SEAT. THIS CAUSES THE BELT TO RUB ON THE NECK OF PASSENGERS. THIS ALSO HAPPENS WHEN A CHILD IN A BOOSTER SEAT IS BELTED IN. MY GRANDSON COMPLAINS THAT THE BELT HURTS HIS NECK. DEALER REPLACED THE BRACKETS AND SAME HAPPENS. DEALER NOTED SAME PROBLEM ON OTHER G35S. INFINITI CLAIMS …
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REAR SEAT BELTS COME OUT OF BRACKET ON REAR OF SEAT. THIS CAUSES THE BELT TO RUB ON THE NECK OF PASSENGERS. THIS ALSO HAPPENS WHEN A CHILD IN A BOOSTER SEAT IS BELTED IN. MY GRANDSON COMPLAINS THAT THE BELT HURTS HIS NECK. DEALER REPLACED THE BRACKETS AND SAME HAPPENS. DEALER NOTED SAME PROBLEM ON OTHER G35S. INFINITI CLAIMS THAT CHANGING THE BRACKET IS ALL THEY CAN DO.*JB
NHTSA ODI #10139407
7,950 miles · Sep 7, 2005
Engine And Engine Cooling
DRIVING FREEWAY EVENING TRAFFIC AT 35 TO 50 MPH. ENGINE JUST TURNED OFF AT ABOUT 40 MPH AND LOST ALL POWER ASSIST. ENGINE WOULD NOT RESTART UNTIL CAR CAME TO A FULL STOP AND KEY WAS TURNED OFF FIRST, WAS ABLE TO GET TO SHOULDER OF ROAD. *JB
NHTSA ODI #10135719
29,500 miles · Aug 22, 2005
Vehicle Speed Control
WHILE TRAVELING ON THE HWY THE CRUISE CONTROL ON MY VEHICLE DIS-ENGAGED NUMEROUS TIMES ON ITS OWN. TO ENSURE THAT I WAS NOT INADVERTENTLY TOUCHING THE BRAKE I PULLED MY FEET BACK FROM THE BRAKE UNTIL IT OCCURED AGAIN. THE VEHICLE WAS TAKEN TO THE DEALERSHIP WHERE THEY SAID THERE WAS NOTHING WRONG WITH THE CAR.
NHTSA ODI #10133730
29,300 miles · Aug 17, 2005
Vehicle Speed Control
I EXPERIENCED TWO UNINTENDED ACCELERATION INCIDENTS WITH MY VEHICLE.*AK
NHTSA ODI #10133205
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