Saturn Aura - Problems, Statistics, and Analysis

Saturn Aura owners have reported a total of 1,831 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 Saturn Aura. The 2007 Saturn Aura cars have the most problems reported (861 problems).

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

Model Year Number of Problems
  2010 Aura
2
  2009 Aura
411
  2008 Aura
547
  2007 Aura
861
  2005 Aura
6
  2000 Aura
4

  Common problems of Saturn Aura

The following chart shows the 22 most common problems for Saturn Aura cars. The number one most common problem is related to the vehicle's power train (338 problems). The second most common problem is related to the vehicle's steering (289 problems).

Table 2. Common problems of Saturn Aura

Problem Category Number of Problems
  Power Train
338
  Steering
289
  Electrical System
205
  Service Brakes
186
  Air Bag
137
  Exterior Lighting
115
  Engine And Engine Cooling
103
  Electronic Stability Control
101
  Vehicle Speed Control
78
  Seats
53
   
  Equipment
50
  Other Fuel System
40
  Structure
25
  Latches/locks/linkage
24
  Traction Control System
17
  Suspension
16
  Gasoline Fuel System
13
  Seat Belt
12
  Visibility
11
  Tire
10
  Wheel
7
  Diesel Fuel System
1

  Compare Reliability Across Model Years Using PPMY Index

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

Aura
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2010 2189    
12.35
  2009 41135,47210    
1.16
  2008 54760,71911    
0.82
  2007 86165,10512    
1.10

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Saturn Aura 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
  2009 Aura
6
  2008 Aura
12
  2007 Aura
42


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