Bonneville owners have made 494 complaints over 16 model years. It ranks 10th in reliability out of 17 eligible Pontiac models.
Our reliability rank is based on our PainRank™ system. A higher number means you can expect more significant problems. The average Pontiac score is 11.72 while the Bonneville comes in at 10.16.
We've pulled together a list of the problems Bonneville owners.
Most Pontiac cars have a defect where the power window mechanism breaks because it's made of cheap plastic parts which break in the power window pulley assembly. GM dealers will only replace the entire assembly, to the tune of $450 per wind…
We know there's more problems than this. Let us know which one you'd like to see us cover next.
Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.
The Bonneville has 3 generations, each with their own issues. Using the same PainRank™ system we've determined that you're better off avoiding the 10th generation (2000–2005).
Running tally of owner grievances filed to CarComplaints.com.
Documenting the process of troubleshooting common problems.
Time-sensitive, free repairs for widespread safety problems.
