2005 Pontiac Sunfire: Reliability Data
When Do Complaints Happen?
Distribution of NHTSA complaints by vehicle mileage at time of report.
What Fails?
Most reported component issues from NHTSA complaints.
Severity Assessment
Sample Complaint Reports
"FATAL FLAW. THE VEHICLE I AM SPEAKING OF IS A PONTIAC SUNFIRE POSSIBLY 2005 MODEL YEAR. I HAD RENTED IT FROM A RENTAL COMPANY AND USED IT FOR ABOUT A MONTH. DURING THE USE THERE WERE A COUPLE OF INCIDENTS WHERE I WOULD REMOVE THE KEY FROM THE IGNITION THINKING THE CAR WAS OFF BUT COME BACK AN HOUR L..."
"THE REAR TURN LIGHTS ON OUR 2003 PONTIAC SUNFIRE CONTINUE TO FAIL LEAVING US WITHOUT TURN SIGNALS. WE HAVE TAKEN THE VEHICLE BACK TO THE DEALER, INCLUDING UNDER A SAFETY RECALL, BUT THE FIX (PUT "GREASE" ON THE BULB) HAS NOT ENDED THE PROBLEM."
"WHILE DRIVING WITH CRUISE CONTROL ON IN A REMOTE AREA OF UTAH (BETWEEN MILFORD AND MINERSVILLE) I RAN OVER A CATTLE GUARD RUNNING ACROSS THE ROAD. IMMEDIATELY, MY GAS PEDAL DROPPED TO THE FLOOR AND ATTEMPTED TO GAIN MAXIMUM SPEED. SEVERAL STEPS ON THE BRAKE PEDAL FINALLY DISENGAGED THE CRUISE CONT..."
Source: NHTSA ODI Complaints Database. Names and identifying details omitted.
When Were Complaints Filed?
Number of complaints by the year the issue occurred.
When Does Each Component Fail?
Median mileage at complaint for top components.
Where Are Complaints Coming From?
Top states by complaint count.
Who Files Complaints?
Pontiac Sunfire — Other Years
See how this model compares across different model years.
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
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