2021 Audi S4 - Problems, Statistics, and Analysis

🔎 Common problems of the 2021 Audi S4

2 problems have been reported for the 2021 Audi S4. The following chart shows the 2 most common problems for 2021 Audi S4. The number one most common problem is related to the vehicle's electrical system with 1 problem. The second most common problem is related to the vehicle's equipment (1 problem).

Table 1. Common problems of the 2021 Audi S4

Problem Category	Number of Problems
Electrical System	1
Equipment	1

📈 Problem Occurrence Trend

The following chart shows the number of problems reported during each of the service years since the debut of the 2021 Audi S4 in 2021.

Table 2. Problem Occurrence Trend

Service Year	Number of Problems
2025	1
2024	0
2023	1
2022	0
2021	0

📊 Compare the 2021 Audi S4 with Other Model Years

When making the decision between buying a new or used Audi S4, the following table can be used to compare the 2021 Audi S4 with the Audi S4 from other model years. Note that the number of problems reported for the 2021 S4 is 2 while the average number of problems reported for the 20 model years of the Audi S4 is 31.

Table 3. Compare the 2021 Audi S4 with other model years

Model Year	Number of Problems
2022 S4	1
2021 S4	2
2020 S4	31
2019 S4	3
2018 S4	9
2015 S4	1
2014 S4	23
2013 S4	34
2012 S4	27
2011 S4	33
2010 S4	73
2008 S4	4
2007 S4	18
2006 S4	35
2005 S4	46
2004 S4	33
2003 S4	1
2002 S4	22
2001 S4	87
2000 S4	144

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☘ S4 Service Bulletins

⚑ S4 Safety Recalls

☤ S4 Defect Investigations