Jaguar S-type - Problems, Statistics, and Analysis

Jaguar S-type owners have reported a total of 617 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 Jaguar S-type. The 2000 Jaguar S-type cars have the most problems reported (177 problems).

Table 1. Total number of problems by model year for Jaguar S-type

Model Year Number of Problems
  2008 S-type
5
  2007 S-type
5
  2006 S-type
22
  2005 S-type
97
  2004 S-type
37
  2003 S-type
144
  2002 S-type
30
  2001 S-type
100
  2000 S-type
177

  Common problems of Jaguar S-type

The following chart shows the 23 most common problems for Jaguar S-type cars. The number one most common problem is related to the vehicle's power train (92 problems). The second most common problem is related to the vehicle's suspension (62 problems).

Table 2. Common problems of Jaguar S-type

Problem Category Number of Problems
  Power Train
92
  Suspension
62
  Engine And Engine Cooling
59
  Electrical System
51
  Service Brakes
48
  Vehicle Speed Control
44
  Visibility
41
  Air Bag
34
  Other Fuel System
30
  Gasoline Fuel System
25
   
  Parking Brake
23
  Equipment
18
  Tire
15
  Exterior Lighting
15
  Steering
14
  Wheel
11
  Structure
6
  Seat Belt
6
  Unknown Or Other
6
  Latches/locks/linkage
5
  Air Brake
5
  Electronic Stability Control
4
  Seats
3

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Jaguar S-type 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 S-type 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 Jaguar S-type 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 S-type Model Years

S-type
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2008 51,78311    
0.25
  2007 52,58212    
0.16
  2006 226,85413    
0.25
  2005 9713,64614    
0.51
  2004 377,50015    
0.33
  2003 14422,63416    
0.40
  2002 3012,22117    
0.14
  2001 10019,87118    
0.28
  2000 17733,27319    
0.28

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Jaguar S-type 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
  2006 S-type
2
  2005 S-type
5
  2004 S-type
6
  2003 S-type
23
  2002 S-type
1
  2001 S-type
8
  2000 S-type
13


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