79 problems have been reported for the 2021 Audi Q5. The following chart shows the 19 most common problems for 2021 Audi Q5. The number one most common problem is related to the vehicle's electrical system with 18 problems. The second most common problem is related to the vehicle's engine and engine cooling (13 problems).
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 2021 Audi Q5 in the United States are 56,890 units [1]. If the total number of problems reported by Audi Q5 owners in the last 4 years is 79, and the age of the vehicle is 4, the PPMY index can then be calculated as
PPMY Index = 79 / 56,890 / 4 * 1000 = 0.35.
For more information, refer to this page: A study of reliability comparison across Audi Q5 model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2021 Audi Q5 in 2021.
| Service Year | Number of Problems |
|---|---|
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 |
When making the decision between buying a new or used Audi Q5, the following table can be used to compare the 2021 Audi Q5 with the Audi Q5 from other model years. Note that the number of problems reported for the 2021 Q5 is 79 while the average number of problems reported for the 17 model years of the Audi Q5 is 94.