170 problems have been reported for the 2015 Chevrolet Sonic. The following chart shows the 20 most common problems for 2015 Chevrolet Sonic. The number one most common problem is related to the vehicle's electrical system with 33 problems. The second most common problem is related to the vehicle's engine and engine cooling (27 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 2015 Chevrolet Sonic in the United States are 76,741 units [1]. If the total number of problems reported by Chevrolet Sonic owners in the last 10 years is 170, and the age of the vehicle is 10, the PPMY index can then be calculated as
PPMY Index = 170 / 76,741 / 10 * 1000 = 0.22.
For more information, refer to this page: A study of reliability comparison across Chevrolet Sonic model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2015 Chevrolet Sonic in 2015.
| Service Year | Number of Problems |
|---|---|
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 |
When making the decision between buying a new or used Chevrolet Sonic, the following table can be used to compare the 2015 Chevrolet Sonic with the Chevrolet Sonic from other model years. Note that the number of problems reported for the 2015 Sonic is 170 while the average number of problems reported for the 10 model years of the Chevrolet Sonic is 139.
| Model Year | Number of Problems |
|---|---|
| 2020 Sonic | |
| 2019 Sonic | |
| 2018 Sonic | |
| 2017 Sonic | |
| 2016 Sonic | |
| 2015 Sonic | |
| 2014 Sonic | |
| 2013 Sonic | |
| 2012 Sonic | |
| 2011 Sonic |