2003 Pontiac Grand Prix engine problems
Owners reported engine problems in 47 complaints for the 2003 Pontiac Grand Prix, 34% of the complaints on file. It is the most reported problem area for this model year.
At a glance
- Complaints
- 47 34% of this year's complaints
- Typical mileage
- 119,000 miles 37 complaints with mileage
- Crashes and fires
- 0 and 31
- Injuries and deaths
- 1 and 0
Source: NHTSA owner complaints
When engine problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 3 |
| 20k to 40k miles | 1 |
| 40k to 60k miles | 2 |
| 60k to 80k miles | 3 |
| 80k to 100k miles | 6 |
| 100k to 120k miles | 4 |
| 120k to 140k miles | 5 |
| 140k to 160k miles | 2 |
| 160k to 180k miles | 5 |
| 180k to 200k miles | 3 |
| 200k+ miles | 3 |
What the data shows
Of the 37 engine complaints that report mileage, the median is about 119,000 miles, and 16% were reported before 60,000 miles.
These complaints mention 31 fires, 1 injury.
What owners wrote
Tl* the contact owned a 2003 pontiac grand prix. While driving approximately 25 MPH, smoke appeared under the hood without warning. The contact discovered that the vehicle was on fire. The fire department extinguished the fire. A police report was filed. The contact sustained bruising and scrapes to the left side of the body that required medical attention. The manufacturer was notified of the failure. The vehicle was destroyed.
"sorry if I'm not using this complaint system correctly" lower intake manifold gaskets need replacement on 2003 pontiac grand prix with only 33.4k miles on it. Bought car new. $1100+ to have fixed. Seems to be a big problem all over america and with canadian lawsuit. Dealership did not offer to fix.
Other problems reported for the 2003 Pontiac Grand Prix
- Electrical system 21 complaints