NHTSA — Power Train Problems

2005 Pontiac Grand Prix (Page 2 of 2)


really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
81,445 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2005 Pontiac Grand Prix drivetrain problems

drivetrain problem

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2005 Pontiac Grand Prix Owner Comments (Page 2 of 2)

« Read the previous 20 complaints

problem #2

Jan 232012

Grand Prix 6-cyl

  • 93,580 miles


On 1/23/12, while backing out of a parking space on a level lot, my 2005 Pontiac Grand Prix lunged forward. I immediately hit the brake. The car was in reverse not drive! I attempted to back out again and the same thing happened! the second time it lunged forward so quickly I was afraid the car would not stop, even with the brake fully applied. This second lunging incident damaged/cracked the air dam, as it was now wedged against the concrete parking space divider. At the same moment, the dashboard flashed/lit up like a christmas tree....and the engine stalled. I put the car in park and turned the ignition off..then got out to inspect the damage. Upon re-entering the car, it would not start! it finally restarted on the third attempt and I was finally able to back out of the parking space.

- Spartanburg, SC, USA

problem #1

Sep 302011

Grand Prix 8-cyl

  • 74,000 miles
I have a 2005 Grand Prix gxp in which the transmission has failed. I took the vehicle in for service last year because it would hesitate from a stop and slam violently into first gear. At the time the dealer could not reproduce the concern and told me to bring it back when it got worse. My extended warranty that I purchased separately from gmpp expired on the 22nd of September. This is a dangerous flaw when you are unable to accelerate when pulling into traffic, especially on the gxp model which has over 300 horsepower and torque steer that is hard to control when it finally shifts into gear.

- Westland, MI, USA

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