Saturn Relay - Problems, Statistics, and Analysis

Saturn Relay owners have reported a total of 184 problems for their cars built in the 3 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 Saturn Relay. The 2005 Saturn Relay cars have the most problems reported (134 problems).

Table 1. Total number of problems by model year for Saturn Relay

Model Year Number of Problems
  2007 Relay
20
  2006 Relay
30
  2005 Relay
134

  Common problems of Saturn Relay

The following chart shows the 21 most common problems for Saturn Relay cars. The number one most common problem is related to the vehicle's service brakes, hydraulic (46 problems). The second most common problem is related to the vehicle's electrical system (30 problems).

Table 2. Common problems of Saturn Relay

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Saturn Relay 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 Relay 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 Saturn Relay 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 Relay Model Years

Relay
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2007 202,91611    
0.62
  2006 304,93512    
0.51
  2005 13417,79413    
0.58


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