Reliability data provided by industry-leading Automotive Information Systems. For more information, consult the Reliability FAQ or read About Reliability Ratings.
2004 Pontiac Bonneville Reliability Rating
KEY:
Minimal Problems
Moderate Problems
Significant Problems
Category
Rating
Comments
Engine
A common problem on this vehicle is failure of the Upper and Lower Intake Manifold Gaskets and occasional problems are the failures of Valve Cover Gaskets and the Oil Pan Gasket (3.8L engine). The cost to repair the Upper and Lower Intake Manifold Gaskets is estimated to be $103.00 for parts and $390.00 for the labor. The costs to repair the Valve Cover Gaskets is estimated to be $23.00 for parts and $170.00 for labor. The cost to repair the Oil Pan Gasket is estimated to be $20.00 for parts and $125.00 for labor. All prices are estimates based on $65.00 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Transmission & Driveline
Infrequent problems reported, all with low repair costs.
Steering & Suspension
Infrequent problems reported, all with low repair costs.
Brakes
Infrequent problems reported, all with low repair costs.
Heating & Air Conditioning
Infrequent problems reported, all with low repair costs.
Starting & Charging
Infrequent problems reported, all with low repair costs.
Accessories
Infrequent problems reported, all with low repair costs.
Overall
5 out of 5
*Repair costs are based on a flat rate of $65.00 per hour and do not include diagnostic time or any applicable sales tax.
Reliability History
In the chart below, click a symbol beneath the model year headings to go directly to reliability information on the particular automotive system for that year.
Or, click a model year heading at the top of the chart to view a complete reliability report for that particular model year.
Minimal Problems
Moderate Problems
Significant Problems
Moderate Problems
