42 problems have been reported for the 2004 Buick Century. The following chart shows the 14 most common problems for 2004 Buick Century. The number one most common problem is related to the vehicle's exterior lighting with 10 problems. The second most common problem is related to the vehicle's electrical system (5 problems).
In our research we use the PPMY index to compare the reliability of vehicles. The PPMY index of a certain model is defined as the problems reported per thousand vehicles per Year. The total sales of the 2004 Buick Century in the United States are 54,706 units . If the total number of problems reported by Buick Century owners in the last 15 years is 42, and the age of the vehicle is 15, the PPMY index can then be calculated as
PPMY Index = 42 / 54,706 / 15 * 1000 = 0.05.
For more information, refer to this page: A study of reliability comparison across Buick Century model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2004 Buick Century in 2004.
|Service Year||Number of Problems|
When making the decision between buying a new or used Buick Century, the following table can be used to compare the 2004 Buick Century with the Buick Century from other model years. Note that the number of problems reported for the 2004 Century is 42 while the average number of problems reported for the 10 model years of the Buick Century is 137.