Vehicle Data Hub

1999 Pontiac Grand Prix engine problems

Owners reported engine problems in 197 complaints for the 1999 Pontiac Grand Prix, 39% of the complaints on file. It is the most reported problem area for this model year.

At a glance

Complaints
197 39% of this year's complaints
Typical mileage
121,000 miles 137 complaints with mileage
Crashes and fires
1 and 106
Injuries and deaths
4 and 1

Source: NHTSA owner complaints

When engine problems show up

Engine complaints by mileage, 1999 Pontiac Grand Prix Complaints by odometer reading in 20,000-mile steps. The median is about 121,000 miles. 0k to 20k miles: 3 complaints 20k to 40k miles: 1 complaints 40k to 60k miles: 11 complaints 60k to 80k miles: 14 complaints 80k to 100k miles: 26 complaints 100k to 120k miles: 12 complaints 120k to 140k miles: 23 complaints 140k to 160k miles: 9 complaints 160k to 180k miles: 25 complaints 180k to 200k miles: 6 complaints 200k+ miles: 7 complaints 040k80k120k160k200k miles Typical: 121,000 miles
Based on 137 complaints that include mileage. 11% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles3
20k to 40k miles1
40k to 60k miles11
60k to 80k miles14
80k to 100k miles26
100k to 120k miles12
120k to 140k miles23
140k to 160k miles9
160k to 180k miles25
180k to 200k miles6
200k+ miles7

What the data shows

Of the 137 engine complaints that report mileage, the median is about 121,000 miles, and 11% were reported before 60,000 miles.

These complaints mention 1 crash, 106 fires, 4 injuries, 1 death.

What owners wrote

There was a loud boom and flames came to the windshield from under the hood. I pulled the car over and jumped out to safety. The engine burned and the front of the car was destroyed. Everything under the hood was destroyed. The brakes were also destroyed. The ignition didn't work but I was able to get the key out. There was no power the car.

Reported at 102,000 miles, November 2013 FireDeath

Tl*the contact owns a 1999 pontiac grand prix. While driving 20 MPH, the vehicle shut off. The contact stated that the vehicle would overheat and the engine remained running when the air conditioner was activated. The failure hinders the wheels on the vehicle from turning properly while driving. When the vehicle shuts off, it usually takes at least eight hours for it to restart. She stated that the vehicle was also leaking engine coolant.

Reported at 121,099 miles, June 2007

Other problems reported for the 1999 Pontiac Grand Prix

Engine problems in other years

Engine problems across all Pontiac models