2004 Pontiac Grand Prix engine problems

Owners reported engine problems in 136 complaints for the 2004 Pontiac Grand Prix, 22% of the complaints on file. It is the most reported problem area for this model year.

Complaints: 136 22% of this year's complaints
Typical mileage: 124,000 miles 87 complaints with mileage
Crashes and fires: 5 and 45
Injuries and deaths: 8 and 0

Source: NHTSA owner complaints

When engine problems show up

Based on 87 complaints that include mileage. 23% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.

View the numbers

Mileage	Complaints
0k to 20k miles	10
20k to 40k miles	4
40k to 60k miles	6
60k to 80k miles	6
80k to 100k miles	9
100k to 120k miles	7
120k to 140k miles	12
140k to 160k miles	11
160k to 180k miles	6
180k to 200k miles	4
200k+ miles	12

What the data shows

Of the 87 engine complaints that report mileage, the median is about 124,000 miles, and 23% were reported before 60,000 miles.

These complaints mention 5 crashes, 45 fires, 8 injuries.

What owners wrote

Tl* the contact owns a 2004 pontiac grand prix. While driving 55 MPH, the engine stalled. The vehicle spun out uncontrollably and crashed into a ditch. The air bags failed to deploy. The driver sustained injuries to the neck, back, and both legs. The front passenger sustained injuries to the neck and both legs. The rear passenger sustained injuries to the back and both legs. The rear passenger sustained injuries to the back and neck. Medical attention was required for three occupants.

Reported at 150,000 miles, February 2015 CrashInjury

Tl* the contact owns a 2004 pontiac grand prix. The contact stated that the vehicle was leaking engine oil while driving. The contact stated that occasionally when the brake pedal was depressed, the vehicle failed to stop as designed, causing the braking distance to be extended. The contact stated the ABS warning light was illuminated. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the brake hubs, rear brakes, oxygen sensor, and fuel gauge needed to be replaced.

Reported at 229,000 miles, May 2021

Engine problems in other years

Engine problems across all Pontiac models