Audi A3 - Problems, Statistics, and Analysis

Audi A3 owners have reported a total of 497 problems for their cars built in the 15 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 A3. The 2006 Audi A3 cars have the most problems reported (123 problems).

Table 1. Total number of problems by model year for Audi A3

Model Year Number of Problems
  2018 A3
1
  2017 A3
12
  2016 A3
20
  2015 A3
52
  2013 A3
19
  2012 A3
39
  2011 A3
40
  2010 A3
51
  2009 A3
40
  2008 A3
40
  2007 A3
51
  2006 A3
123
  2004 A3
6
  2003 A3
2
  2001 A3
1

  Common problems of Audi A3

The following chart shows the 22 most common problems for Audi A3 cars. The number one most common problem is related to the vehicle's air bags (186 problems). The second most common problem is related to the vehicle's power train (89 problems).

Table 2. Common problems of Audi A3

Problem Category Number of Problems
  Air Bag
186
  Power Train
89
  Engine And Engine Cooling
45
  Other Fuel System
45
  Exterior Lighting
23
  Electrical System
22
  Equipment
15
  Service Brakes
10
  Diesel Fuel System
9
  Vehicle Speed Control
8
   
  Suspension
8
  Electronic Stability Control
6
  Gasoline Fuel System
6
  Tire
5
  Structure
5
  Wheel
4
  Visibility
4
  Seat Belt
3
  Seats
1
  Unknown Or Other
1
  Steering
1
  Latches/locks/linkage
1

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Audi A3 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 A3 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 A3 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 A3 Model Years

A3
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2017 1219,3791    
0.62
  2016 2035,4552    
0.28
  2015 5244,0453    
0.39
  2013 191,9055    
1.99
  2012 393,3826    
1.92
  2011 402,8977    
1.97
  2010 512,4498    
2.60
  2009 403,7319    
1.19
  2008 405,35210    
0.75
  2007 516,92011    
0.67
  2006 12311,07412    
0.93

  Number of Problems Reported During the First Year

Another way to measure the reliability across the model years of the Audi A3 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
  2018 A3
1
  2017 A3
12
  2016 A3
5
  2015 A3
10
  2013 A3
5
  2011 A3
3
  2010 A3
9
  2009 A3
4
  2008 A3
2
  2007 A3
1
  2006 A3
1
  2004 A3
2


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