There are 4 owner-reported engine complaints for the 2010 Infiniti G37in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TIMING BELT JUMPED AND RUINED ENTIRE ENGINE AT 69,000 MILES. I'VE HAD THE CAR FOR UNDER 2 YEARS. REGULARLY SERVICED AND WELL TAKEN CARE OF. DEALERSHIP HAS COMPLETE RECORDS OF SERVICE FROM PRIOR OWNER. NEVER HAD ANY ISSUES. INFINITI WILL NOT COVER ENTIRE COST OF REPAIR BECAUSE I'M A COUPLE OF MONTHS OUT OF WARRANTY EVEN THOUGH I'M UNDER 70,000 MILES. I'M VERY HURT AND DISAPPOINTED. I'M A SINGLE WOMAN WHO BOUGHT THIS CAR BY HERSELF WITH A LOT FAITH. CAR IS STILL BEING FINANCED, YET NOW I HAVE TO PAY THOUSANDS OF DOLLARS FOR A PROBLEM THAT SHOULD HAVE NEVER HAPPENED. ANY ADVICE?
WHEN PARKING THE VEHICLE AND GETTING OUT WITH THE KEYS IN HAND AND NOT OUT TURNING OFF THE ENGINE, THERE IS NOT SOME TYPE OF WARNING SO THAT ONE DOESN'T LEAVE A RUNNING CAR IN A CLOSED GARAGE. I KNOW THAT THIS IS THE DRIVERS FAULT BUT IT HAS HAPPENED TO ME TWICE AND TO A COUPLE IN HIGHLAND PARK, ILL THAT WERE ASPHASTICATED AND DIED FROM THIS TYPE OF OCCURRENCE. I HAVE TALKED TO NIASIAN US HEADQUARTERS TWICE AND THEY INFORMED ME THAT THEY DO NOT ACCEPT AN UNREQUESTED CONSUMER COMMENT AND THAT THEY WOULD NOT CONSIDER AND/OR LOOK INTO THIS TYPE OF OCCURRENCE. EVEN THOUGH THERE HAS BEEN DEATHS DUE TO THIS.
WHILE STOPPED AT A PARKING LOT EXIT PRIOR TO TURNING, MY FOOT WAS ON THE BRAKE AND THE ENGINE STARTED RACING. THE CAR STARTED ROLLING FORWARD EVEN WITH THE BRAKES FIRMLY APPLIED. I PUT THE CAR IN PARK, BUT THE ENGINE CONTINUED TO RACE. I TURNED THE CAR OFF. I RESTARTED THE CAR, AND THE ENGINE RAN NORMALLY. A SIMILAR INCIDENT HAPPEND TO ME IN THE SAME CAR ABOUT A YEAR AND A HALF AGO IN A PARKING LOT. THE ENGINE STARTED RACING WHILE BACKING UP. I PUT THE CAR IN PARK AND TURNED THE ENGINE OFF. THE CAR RAN FINE WHEN I RE-STARTED THE CAR. *TR
LEASED THE VEHICLE BACK ON 2010 OF OCTOBER. 6 MONTHS LATER I HAD ISSUES WITH ACCELERATION ON 4 DIFFERENT OCCASIONS AT ALL TIMES OF THE DAY. EVEN WHEN FOOT IS LIGHTLY PUSHED ON THE GAS PEDAL CAR RPM REVS FROM 1 TO 7 QUICKLY. UNCOMFORTABLE SINCE YOU DON'T KNOW WHEN TO ACCELERATE HARD OR SOFT. SCARY WHEN DRIVING SHORT DISTANCE WITH STOP AND GO MOTION. ENGINE AT TIMES IS UNPREDICTABLE. CAR ALSO SHUT DOWN ON ME SEVERAL TIMES WHILE DRIVING ON BUSY ROADS. CAR IS ONLY 1 1/2 YEARS OLD. THIS ISSUE NEEDS TO BE INVESTIGATED. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026