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Mazda MAZDA6 - Problems, Statistics, and Analysis



Mazda MAZDA6 owners have reported 867 problems for their cars built in the 14 model years listed in the chart below. The chart shows the number of problems reported during all service years for each model year of Mazda MAZDA6. The 2003 Mazda MAZDA6 cars have the most problems reported (205 problems).

Table 1. Total number of problems by model year for Mazda MAZDA6

  Common problems of Mazda MAZDA6

The following chart shows the 26 most common problems for Mazda MAZDA6 cars. The number one most common problem is related to the vehicle's power train (118 problems). The second most common problem is related to the vehicle's engine and engine cooling (115 problems).

Table 2. Common problems of Mazda MAZDA6

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the older model year Mazda MAZDA6 to a new one in terms of the problems reported since older vehicles have been in service longer and more problems should be reported. In order to compare the reliability across MAZDA6 model years, we use the PPMY index which is defined as the problems reported per thousand vehicles per Year. A smaller PPMY index implies a better reliability for the model year under study.

    PPMY = P / S / Y * 1000

Where P = total problems reported during the life of a Mazda MAZDA6 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 result is shown in Table 3.

Table 3. Use PPMY Index to Compare Reliability Across MAZDA6 Model Years

Model YearProblems/
Sales [1]
Vehicle
Age
PPMY Index
  2003 MAZDA6   205 / 66,118   12
0.26
  2004 MAZDA6   117 / 72,148   11
0.15
  2005 MAZDA6   80 / 71,447   10
0.11
  2006 MAZDA6   84 / 66,203   9
0.14
  2007 MAZDA6   70 / 57,575   8
0.15
  2008 MAZDA6   38 / 52,590   7
0.10
  2009 MAZDA6   111 / 34,866   6
0.53
  2010 MAZDA6   49 / 35,662   5
0.27
  2011 MAZDA6   15 / 35,711   4
0.11
  2012 MAZDA6   10 / 33,756   3
0.10

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of Mazda MAZDA6 is to use the number of problems reported during the vehicles' first year in service, as shown in the Table 4.

Table 4. Number of problems in vehicles' first service year

Model YearProblems Reported
  2002 Mazda MAZDA6
6
  2003 Mazda MAZDA6
64
  2004 Mazda MAZDA6
13
  2005 Mazda MAZDA6
8
  2006 Mazda MAZDA6
22
  2007 Mazda MAZDA6
5
  2008 Mazda MAZDA6
8
  2009 Mazda MAZDA6
6
  2010 Mazda MAZDA6
7
  2011 Mazda MAZDA6
2
  2014 Mazda MAZDA6
25
  2015 Mazda MAZDA6
2



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