Cadillac ATS - Problems, Statistics, and Analysis

Cadillac ATS owners have reported a total of 277 problems for their cars built in the 6 model years listed in the chart below. The chart shows the number of problems reported across all service years for each given model year of the Cadillac ATS. The 2013 Cadillac ATS cars have the most problems reported (169 problems).

Table 1. Total number of problems by model year for Cadillac ATS

Model Year Number of Problems
  2018 ATS
4
  2017 ATS
13
  2016 ATS
5
  2015 ATS
10
  2014 ATS
76
  2013 ATS
169

  Common problems of Cadillac ATS

The following chart shows the 20 most common problems for Cadillac ATS cars. The number one most common problem is related to the vehicle's engine and engine cooling (51 problems). The second most common problem is related to the vehicle's electrical system (39 problems).

Table 2. Common problems of Cadillac ATS

Problem Category Number of Problems
  Engine And Engine Cooling
51
  Electrical System
39
  Power Train
37
  Steering
35
  Equipment
25
  Service Brakes
17
  Vehicle Speed Control
10
  Visibility
10
  Wheel
9
  Air Bag
7
   
  Exterior Lighting
7
  Tire
7
  Suspension
5
  Electronic Stability Control
5
  Seat Belt
3
  Gasoline Fuel System
3
  Structure
2
  Other Fuel System
2
  Seats
2
  Back Over Prevention
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Cadillac ATS of an older model year to newer model years since older vehicles have been in service longer and thus are expected to have more problems. In order to compare the reliability across ATS model years, we use the PPMY index which is defined as the problems reported per thousand vehicles per Year. A smaller PPMY index indicates greater reliability of the given model year cars.

    PPMY = P / S / Y * 1000,

where P = total problems reported during the life of a Cadillac ATS model year; S = total units sold of the model year; Y = years since the debut of the model year (the age of the vehicle).

The results are shown in Table 3.

Table 3. Use PPMY Index to Compare Reliability Across ATS Model Years

ATS
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2018 411,2011    
0.36
  2017 1315,9462    
0.41
  2016 522,2273    
0.07
  2015 1022,1304    
0.11
  2014 7636,4245    
0.42
  2013 16939,3866    
0.72

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Cadillac ATS is to use the total number of problems reported during the vehicle's first year in service, as shown in the Table 4.

Table 4. Number of problems in vehicle's; first service year

Model YearProblems Reported
  2018 ATS
4
  2017 ATS
1
  2015 ATS
3
  2014 ATS
28
  2013 ATS
61


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