2005 Pontiac Grand Prix problems & reliability
148 owner complaints filed with NHTSA for the 2005 Pontiac Grand Prix, alongside 1 safety recall campaign. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
6 complaints report injuries (7 injured).
Federal crash records (FARS 2020–2023): 2005 Pontiac Grand Prix vehicles were involved in 51 fatal crashes with 39 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System | 45 | 30% |
| Power Train | 40 | 27% |
| Steering | 24 | 16% |
| Engine | 14 | 9% |
| Service Brakes | 11 | 7% |
| Air Bags | 10 | 7% |
| Unknown OR Other | 7 | 5% |
| Engine and Engine Cooling | 6 | 4% |
| Structure | 6 | 4% |
| Electronic Stability Control (esc) | 5 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 70,580 miles (middle 50% between 33,851 and 102,364 miles), based on 113 complaints that included mileage.
Complaints by incident year
What owners report
“The contact owns a 2005 Pontiac Grand Prix. The contact received notification of NHTSA Campaign Number: 14V400000 (ELECTRICAL SYSTEM). The contact stated that while attempting to start the vehicle, the vehicle failed to start. There were no warning lights illuminated. The contact asked his daughter to remove the…”
Electrical System · filed Feb 13, 2025
“The contact owns a 2005 Pontiac Grand Prix. The contact stated that it was difficult to shift the vehicle into gear. There was an abnormal banging sound coming from the vehicle. There were no warning lights illuminated. The vehicle was taken to an independent mechanic where the transmission fluid was flushed and…”
Power Train · filed Aug 2, 2022
“Other unknown motor vehicles are in the same area and and different times of day monitoring my vehicle. I get car washed and park I return I have spray on the sides, hood, and directly in front of glass.”
Unknown OR Other · filed May 15, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- POWER STEERING FLUID LEAKS - FIRES
Preliminary Evaluation PE09025 · opened May 13, 2009 · closed Oct 2, 2009
Technical service bulletins
578 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2005 Pontiac Grand Prix. The 10 most recent:
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
PIP5601C · Service Bulletin/Repair Instructions · issued Jul 18, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or…
PIP5358D · Service Bulletin/Repair Instructions · issued Feb 20, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe…
PIT5074Q · Service Bulletin/Repair Instructions · issued Dec 7, 2024
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723J · Service Bulletin/Repair Instructions · issued Oct 25, 2024
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician…
PIT5099H · Service Bulletin/Repair Instructions · issued Sep 12, 2024
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician…
PIT5099H · Service Bulletin/Repair Instructions · issued Sep 12, 2024
This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
02-00-89-002X · Service Bulletin/Repair Instructions · issued Sep 9, 2024
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2005 Pontiac Grand Prix has 1 NHTSA recall campaign — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2005 Pontiac Grand Prix?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 70,580 miles — budget accordingly if the car is approaching that mileage.