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Audi A5 - Problems, Statistics, and Analysis

Audi A5 owners have reported a total of 90 problems for their cars built in the 9 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 A5. The 2010 Audi A5 cars have the most problems reported (20 problems).

Table 1. Total number of problems by model year for Audi A5

Model Year Number of Problems
  2018 A5
4
  2015 A5
2
  2014 A5
2
  2013 A5
13
  2012 A5
12
  2011 A5
18
  2010 A5
20
  2009 A5
14
  2008 A5
5

  Common problems of Audi A5

The following chart shows the 12 most common problems for Audi A5 cars. The number one most common problem is related to the vehicle's air bags (30 problems). The second most common problem is related to the vehicle's engine and engine cooling (18 problems).

Table 2. Common problems of Audi A5

Problem Category Number of Problems
  Air Bag
30
  Engine And Engine Cooling
18
  Steering
8
  Power Train
6
  Structure
5
  Equipment
5
  Visibility
5
  Service Brakes
4
  Electrical System
3
  Other Fuel System
2
  Exterior Lighting
2
  Wheel
2

  Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Audi A5 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 A5 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 A5 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 A5 Model Years

A5
Model Year
Problems Sales [1] Vehicle
Age
PPMY Index
  2015 213,2272    
0.08
  2014 219,0783    
0.03
  2013 1321,7314    
0.15
  2012 1213,7865    
0.17
  2011 1815,2836    
0.20
  2010 2014,3957    
0.20
  2009 148,7938    
0.20
  2008 53,1549    
0.18



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