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Audi TT - Problems, Statistics, and Analysis

Audi TT owners have reported a total of 322 problems for their cars built in the 13 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 Audi TT. The 2001 Audi TT cars have the most problems reported (119 problems).

Table 1. Total number of problems by model year for Audi TT

Model Year Number of Problems
  2016 TT
4
  2012 TT
2
  2010 TT
2
  2009 TT
15
  2008 TT
16
  2007 TT
1
  2006 TT
4
  2005 TT
15
  2004 TT
22
  2003 TT
15
  2002 TT
38
  2001 TT
119
  2000 TT
69

  Common problems of Audi TT

The following chart shows the 22 most common problems for Audi TT cars. The number one most common problem is related to the vehicle's electrical system (139 problems). The second most common problem is related to the vehicle's power train (38 problems).

Table 2. Common problems of Audi TT

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Audi TT 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 TT 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 Audi TT 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 TT Model Years

TT
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2016 43,5521    
1.13
  2012 22,2505    
0.18
  2010 21,2027    
0.24
  2009 152,9658    
0.63
  2008 167,8829    
0.23
  2006 41,18811    
0.31
  2005 153,36112    
0.37
  2004 225,87013    
0.29
  2003 156,12714    
0.17
  2002 3811,13715    
0.23
  2001 11921,03816    
0.35
  2000 697,38117    
0.55

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Audi TT 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
  2016 TT
2
  2009 TT
3
  2008 TT
3
  2004 TT
1
  2002 TT
1
  2001 TT
9
  2000 TT
8



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