182 problems have been reported for the 2021 Mazda CX-5. The following chart shows the 19 most common problems for 2021 Mazda CX-5. The number one most common problem is related to the vehicle's engine and engine cooling with 76 problems. The second most common problem is related to the vehicle's power train (16 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 Mazda CX-5 in the United States are 190,392 units [1]. If the total number of problems reported by Mazda CX-5 owners in the last 5 years is 182, and the age of the vehicle is 5, the PPMY index can then be calculated as
PPMY Index = 182 / 190,392 / 5 * 1000 = 0.19.
For more information, refer to this page: A study of reliability comparison across Mazda CX-5 model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2021 Mazda CX-5 in 2021.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 |
When making the decision between buying a new or used Mazda CX-5, the following table can be used to compare the 2021 Mazda CX-5 with the Mazda CX-5 from other model years. Note that the number of problems reported for the 2021 CX-5 is 182 while the average number of problems reported for the 15 model years of the Mazda CX-5 is 205.