2011 Cadillac DTS - Problems, Statistics, and Analysis

Common problems of the 2011 Cadillac DTS

15 problems have been reported for the 2011 Cadillac DTS.
The following chart shows the 7 most common problems for 2011 Cadillac DTS.
The number one most common problem is related to the vehicle's electrical system
with 5 problems.
The second most common problem is related to the vehicle's engine and engine cooling
(3 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 2011 Cadillac DTS in the United States are 18,460 units [1]. If the total number of problems reported by Cadillac DTS owners in the last 8 years is 15, and the age of the vehicle is 8, the PPMY index can then be calculated as

The following chart shows the number of problems reported during each of the service
years since the debut of the 2011 Cadillac DTS in 2011.

Table 2. PPMY Index and Problem Occurrence Trend

Service Year

Number of Problems

2019

0

2018

2

2017

0

2016

1

2015

2

2014

8

2013

0

2012

2

2011

0

Compare the 2011 Cadillac DTS with Other Model Years

When making the decision between buying a new or used Cadillac DTS,
the following table can be used to compare the 2011 Cadillac DTS
with the Cadillac DTS from other model years.
Note that the number of problems reported for the 2011 DTS is 15
while the average number of problems reported for the 8 model years of the Cadillac DTS is 70.

Table 3. Compare the 2011 Cadillac DTS with other model years