Saturn SKY - Problems, Statistics, and Analysis

Saturn SKY owners have reported a total of 521 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 SKY. The 2007 Saturn SKY cars have the most problems reported (290 problems).

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

Model Year Number of Problems
  2009 SKY
44
  2008 SKY
187
  2007 SKY
290

  Common problems of Saturn SKY

The following chart shows the 20 most common problems for Saturn SKY cars. The number one most common problem is related to the vehicle's air bags (309 problems). The second most common problem is related to the vehicle's service brakes, hydraulic (75 problems).

Table 2. Common problems of Saturn SKY

Problem Category Number of Problems
  Air Bag
309
  Service Brakes
75
  Electrical System
46
  Seats
26
  Equipment
16
  Power Train
12
  Engine And Engine Cooling
7
  Steering
5
  Electronic Stability Control
4
  Seat Belt
4
   
  Structure
3
  Air Brake
3
  Parking Brake
3
  Visibility
2
  Vehicle Speed Control
1
  Gasoline Fuel System
1
  Suspension
1
  Latches/locks/linkage
1
  Tire
1
  Unknown Or Other
1

  Compare Reliability Across Model Years Using PPMY Index

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

SKY
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2009 444,0789    
1.20
  2008 18712,98210    
1.44
  2007 29015,60411    
1.69

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Saturn SKY 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
  2008 SKY
36
  2007 SKY
4


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