86 problems have been reported for the 2021 Audi Q7. The following chart shows the 16 most common problems for 2021 Audi Q7. The number one most common problem is related to the vehicle's electrical system with 32 problems. The second most common problem is related to the vehicle's engine and engine cooling (12 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 Q7 in the United States are 29,966 units [1]. If the total number of problems reported by Audi Q7 owners in the last 4 years is 86, and the age of the vehicle is 4, the PPMY index can then be calculated as
PPMY Index = 86 / 29,966 / 4 * 1000 = 0.72.
For more information, refer to this page: A study of reliability comparison across Audi Q7 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 Q7 in 2021.
| Service Year | Number of Problems |
|---|---|
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 |
When making the decision between buying a new or used Audi Q7, the following table can be used to compare the 2021 Audi Q7 with the Audi Q7 from other model years. Note that the number of problems reported for the 2021 Q7 is 86 while the average number of problems reported for the 18 model years of the Audi Q7 is 67.