Cadillac Seville - Problems, Statistics, and Analysis

Cadillac Seville owners have reported a total of 539 problems for their cars built in the 9 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 Seville. The 1996 Cadillac Seville cars have the most problems reported (124 problems).

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

Model Year Number of Problems
  2004 Seville
11
  2003 Seville
16
  2002 Seville
48
  2001 Seville
53
  2000 Seville
41
  1999 Seville
74
  1998 Seville
65
  1997 Seville
95
  1996 Seville
124

  Common problems of Cadillac Seville

The following chart shows the 23 most common problems for Cadillac Seville cars. The number one most common problem is related to the vehicle's engine and engine cooling (118 problems). The second most common problem is related to the vehicle's electrical system (73 problems).

Table 2. Common problems of Cadillac Seville

Problem Category Number of Problems
  Engine And Engine Cooling
118
  Electrical System
73
  Steering
63
  Suspension
35
  Air Bag
34
  Service Brakes
33
  Gasoline Fuel System
31
  Exterior Lighting
26
  Equipment
16
  Structure
16
   
  Power Train
15
  Seat Belt
14
  Other Fuel System
12
  Visibility
12
  Tire
11
  Seats
8
  Vehicle Speed Control
6
  Unknown Or Other
4
  Wheel
4
  Interior Lighting
3
  Electronic Stability Control
3
  Child Seat
1
  Air Brake
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Cadillac Seville 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 Seville 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 Seville 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 Seville Model Years

Seville
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2004 116,22515    
0.12
  2003 1618,63316    
0.05
  2002 4825,14817    
0.11
  2001 5325,16918    
0.12
  2000 4131,41419    
0.07

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Cadillac Seville 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
  2004 Seville
1
  2003 Seville
1
  2002 Seville
4
  2001 Seville
11
  2000 Seville
9
  1999 Seville
14
  1998 Seville
7
  1997 Seville
5
  1996 Seville
17


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