2004 Infiniti G35: Reliability Data

Source: NHTSA — 351 complaints
351
Total Complaints
67,450mi
Median Mileage
ENGINE
Top Issue
27
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

30,000 25th Percentile
67,450 Median Mileage
108,800 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE
43
ELECTRICAL SYSTEM
41
EXTERIOR LIGHTING
39
AIR BAGS
21
UNKNOWN OR OTHER
17
SERVICE BRAKES
17
VEHICLE SPEED CONTROL
17
SEATS
14
ENGINE AND ENGINE COOLING
14
FUEL SYSTEM, GASOLINE
10

Severity Assessment

27
Crashes
9
Fires
14
Injuries
3
Deaths

Sample Complaint Reports

"AT 260 MILE TRANSMISSION SLIP ON ACCELERATION CLICKING NOISE INSIDE DASH. *LA"
"I HAVE A 2004 GS SEDAN WITH ABOUT 2000 MILES ON IT PURCHASED IN OCTOBER 2003. IN THE LAST FEW DAYS I HAVE HAD THREE OCCASIONS WHEN THE ACCELERATOR FLOOR BOARDED ITSELF WITH NO ACTION ON MY PART TO CAUSE SUCH BEHAVIOR. ON ONE OCCASION THE CAR WAS IN CRUISE CONTROL AT ABOUT 60, AND ACCELERATED TO 90 B..."
"THIS IS A FURTHER COMPLAINT RELATIVE TO COMPLAINT 10047159 RELATED TO A NEW INFINITI G35 WITH LESS THAT 2000 MILES ON IT WHEN THREE INCIDENTS OCCURRED. THE INCIDENTS INVOLVED THREE OCCASIONS IN WHICH THE CAR SUDDEDLY AND UNEXPECTEDLY ACCELERATED TO VERY HIGH SPEEDS WITHOUT A ACTION BY THE DRIVER TH..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28