There are 3 stored owner reports matching the body & structure leading-label group for the 2005 Pontiac Grand Prix in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)TL* THE CONTACT OWNS A 2005 PONTIAC GRAND PRIX. WHILE IDLING AT A STOP LIGHT, THE CONTACT'S CHILD OPENED THE REAR PASSENGER DOOR ALTHOUGH IT WAS LOCKED. THE ISSUE OCCURRED TWICE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO WAS UNABLE TO DIAGNOSE OR REPAIR THE FAILURE. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS UNAVAILABLE.
DRAIN HOLES IN TOP OF CAR GOT PLUGGED CAUSING INTERIOR DAMAGE. HEAD LINER HAD TO BE REPLACED AT A COST TO MYSELF FOR $1100. GM WOULD NOT BACK ORIGINAL WARRANTY. WAS TOLD TO HAVE DRAIN HOLES "BLOWN OUT" 2X YEARLY. FIRST LEAK OCCURRED WITHIN FIRST YEAR OF OWNERSHIP. MECHANIC ADMITTED THIS WAS A "FLAW" IN DESIGN OF THIS MODEL IN 2006. MAJOR LEAK OCCURRED 10/2009. COLEMAN TOLD ME IT WAS NOT COVERED UNDER THEIR POLICIES. *TR
STEERING WHEEL MAKING SQUEAKY NOISE, AS WELL AS SOMETHING IN THE CAR MAKING GURGLING WATER SOUND IN THE DASHBOARD. *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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.