21 problems have been reported for the 2021 Audi Q3. The following chart shows the 12 most common problems for 2021 Audi Q3. The number one most common problem is related to the vehicle's fuel system, other with 4 problems. The second most common problem is related to the vehicle's engine and engine cooling (3 problems).
| Problem Category | Number of Problems |
|---|---|
| Other Fuel System | |
| Engine And Engine Cooling | |
| Electrical System | |
| Equipment | |
| Seat Belt | |
| Exterior Lighting | |
| Structure | |
| Tire | |
| Lane Departure | |
| Seats | |
| Vehicle Speed Control | |
| Forward Collision Avoidance |
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 Q3 in the United States are 32,316 units [1]. If the total number of problems reported by Audi Q3 owners in the last 4 years is 21, and the age of the vehicle is 4, the PPMY index can then be calculated as
PPMY Index = 21 / 32,316 / 4 * 1000 = 0.16.
For more information, refer to this page: A study of reliability comparison across Audi Q3 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 Q3 in 2021.
| Service Year | Number of Problems |
|---|---|
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 |
When making the decision between buying a new or used Audi Q3, the following table can be used to compare the 2021 Audi Q3 with the Audi Q3 from other model years. Note that the number of problems reported for the 2021 Q3 is 21 while the average number of problems reported for the 11 model years of the Audi Q3 is 24.