2001 Audi A4 - Problems, Statistics, and Analysis

small car iamge Common problems of the 2001 Audi A4

129 problems have been reported for the 2001 Audi A4. The following chart shows the 19 most common problems for 2001 Audi A4. The number one most common problem is related to the vehicle's electrical system with 35 problems. The second most common problem is related to the vehicle's engine and engine cooling (30 problems).

Table 1. Common problems of the 2001 Audi A4

small car iamge PPMY Index and Problem Occurrence Trend

In our research we use the PPMY index to compare the reliability of vehicles. The PPMY index of a certain model is defined as the problems reported per thousand vehicles per Year. The total sales of the 2001 Audi A4 in the United States are 43,015 units [1]. If the total number of problems reported by Audi A4 owners in the last 18 years is 129, and the age of the vehicle is 18, the PPMY index can then be calculated as

      PPMY Index = 129 / 43,015 / 18 * 1000 = 0.17.

For more information, refer to this page: A study of reliability comparison across Audi A4 model year vehicles.

The following chart shows the number of problems reported during each of the service years since the debut of the 2001 Audi A4 in 2001.

Table 2. PPMY Index and Problem Occurrence Trend

Service Year Number of Problems
  2019
1
  2018
0
  2017
0
  2016
1
  2015
0
  2014
1
  2013
1
  2012
1
  2011
3
  2010
6
  2009
9
  2008
8
  2007
11
  2006
6
  2005
14
  2004
10
  2003
17
  2002
18
  2001
3

small car iamge Compare the 2001 Audi A4 with Other Model Years

When making the decision between buying a new or used Audi A4, the following table can be used to compare the 2001 Audi A4 with the Audi A4 from other model years. Note that the number of problems reported for the 2001 A4 is 129 while the average number of problems reported for the 24 model years of the Audi A4 is 123.

Table 3. Compare the 2001 Audi A4 with other model years

Model Year Number of Problems
  2019 A4
1
  2018 A4
5
  2017 A4
32
  2016 A4
14
  2015 A4
29
  2014 A4
43
  2013 A4
91
  2012 A4
33
  2011 A4
41
  2010 A4
58
  2009 A4
158
  2008 A4
205
  2007 A4
227
  2006 A4
332
  2005 A4
241
  2004 A4
188
  2003 A4
215
  2002 A4
182
  2001 A4
129
  2000 A4
94
  1999 A4
193
  1998 A4
256
  1997 A4
100
  1996 A4
89


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Safety Ratings of A4 Cars
Fuel Economy of A4 Vehicles
A4 Service Bulletins
A4 Safety Recalls
A4 Defect Investigations