The Worst 2000-2005 Bonneville Problems

  1. Power Windows Fall Into Door

    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…

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  2. What Are We Missing?

    We know there's more problems than this. Let us know which one you'd like to see us cover next.

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What Owners Complain About

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.

10th Generation Bonneville Key Numbers

  1. 6 model years

    Grouping all models by their year can reveal some baddies.

  2. 337 complaints

    Running tally of owner grievances filed to CarComplaints.com.

  3. 19th in reliability

    Overall reliability rank out of 27 eligible generations.