44 problems have been reported for the 2004 Cadillac XLR. The following chart shows the 14 most common problems for 2004 Cadillac XLR. The number one most common problem is related to the vehicle's structure with 10 problems. The second most common problem is related to the vehicle's fuel system, gasoline (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 Cadillac XLR in the United States are 3,892 units [1]. If the total number of problems reported by Cadillac XLR owners in the last 22 years is 44, and the age of the vehicle is 22, the PPMY index can then be calculated as
PPMY Index = 44 / 3,892 / 22 * 1000 = 0.51.
For more information, refer to this page: A study of reliability comparison across Cadillac XLR model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2004 Cadillac XLR in 2004.
| Service Year | Number of Problems |
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| 2004 |
When making the decision between buying a new or used Cadillac XLR, the following table can be used to compare the 2004 Cadillac XLR with the Cadillac XLR from other model years. Note that the number of problems reported for the 2004 XLR is 44 while the average number of problems reported for the 6 model years of the Cadillac XLR is 16.