438 problems have been reported for the 2018 Mazda CX-5. The following chart shows the 25 most common problems for 2018 Mazda CX-5. The number one most common problem is related to the vehicle's engine and engine cooling with 163 problems. The second most common problem is related to the vehicle's equipment (54 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 2018 Mazda CX-5 in the United States are 142,430 units [1]. If the total number of problems reported by Mazda CX-5 owners in the last 8 years is 438, and the age of the vehicle is 8, the PPMY index can then be calculated as
PPMY Index = 438 / 142,430 / 8 * 1000 = 0.38.
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 2018 Mazda CX-5 in 2018.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 |
When making the decision between buying a new or used Mazda CX-5, the following table can be used to compare the 2018 Mazda CX-5 with the Mazda CX-5 from other model years. Note that the number of problems reported for the 2018 CX-5 is 438 while the average number of problems reported for the 14 model years of the Mazda CX-5 is 216.