Cadillac ATS - Problems, Statistics, and Analysis

Cadillac ATS owners have reported a total of 240 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 (155 problems).

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

Model Year Number of Problems
  2018 ATS
4
  2017 ATS
2
  2016 ATS
3
  2015 ATS
8
  2014 ATS
68
  2013 ATS
155

  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 (49 problems). The second most common problem is related to the vehicle's electrical system (33 problems).

Table 2. Common problems of Cadillac ATS

Problem Category Number of Problems
  Engine And Engine Cooling
49
  Electrical System
33
  Power Train
30
  Steering
23
  Equipment
22
  Service Brakes
15
  Vehicle Speed Control
10
  Visibility
9
  Wheel
8
  Tire
7
   
  Air Bag
6
  Exterior Lighting
6
  Suspension
5
  Electronic Stability Control
5
  Seat Belt
3
  Gasoline Fuel System
3
  Structure
2
  Seats
2
  Other Fuel System
1
  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
  2017 215,9461    
0.13
  2016 322,2272    
0.07
  2015 822,1303    
0.12
  2014 6836,4244    
0.47
  2013 15539,3865    
0.79

  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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