127 problems have been reported for the 2003 Cadillac Escalade. The following chart shows the 22 most common problems for 2003 Cadillac Escalade. The number one most common problem is related to the vehicle's service brakes, hydraulic with 27 problems. The second most common problem is related to the vehicle's electrical system (27 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 2003 Cadillac Escalade in the United States are 37,512 units [1]. If the total number of problems reported by Cadillac Escalade owners in the last 21 years is 127, and the age of the vehicle is 21, the PPMY index can then be calculated as
PPMY Index = 127 / 37,512 / 21 * 1000 = 0.16.
For more information, refer to this page: A study of reliability comparison across Cadillac Escalade model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2003 Cadillac Escalade in 2003.
| Service Year | Number of Problems |
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| 2003 |
When making the decision between buying a new or used Cadillac Escalade, the following table can be used to compare the 2003 Cadillac Escalade with the Cadillac Escalade from other model years. Note that the number of problems reported for the 2003 Escalade is 127 while the average number of problems reported for the 25 model years of the Cadillac Escalade is 77.