Cadillac XLR - Problems, Statistics, and Analysis

Cadillac XLR owners have reported a total of 63 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 XLR. The 2005 Cadillac XLR cars have the most problems reported (27 problems).

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

Model Year Number of Problems
  2009 XLR
1
  2008 XLR
4
  2007 XLR
1
  2006 XLR
6
  2005 XLR
27
  2004 XLR
24

  Common problems of Cadillac XLR

The following chart shows the 17 most common problems for Cadillac XLR cars. The number one most common problem is related to the vehicle's structure (11 problems). The second most common problem is related to the vehicle's fuel system, other (7 problems).

Table 2. Common problems of Cadillac XLR

Problem Category Number of Problems
  Structure
11
  Other Fuel System
7
  Electrical System
7
  Exterior Lighting
6
  Gasoline Fuel System
5
  Equipment
5
  Power Train
4
  Service Brakes
4
  Electronic Stability Control
3
  Tire
2
   
  Steering
2
  Air Bag
2
  Vehicle Speed Control
1
  Wheel
1
  Seats
1
  Visibility
1
  Engine And Engine Cooling
1

  Compare Reliability Across Model Years Using PPMY Index

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

XLR
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2009 18589    
0.13
  2008 41,47810    
0.27
  2007 11,40411    
0.06
  2006 63,96312    
0.13
  2005 273,82813    
0.54
  2004 243,89214    
0.44


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