128 problems have been reported for the 2021 Honda Ridgeline. The following chart shows the 18 most common problems for 2021 Honda Ridgeline. The number one most common problem is related to the vehicle's engine and engine cooling with 28 problems. The second most common problem is related to the vehicle's equipment (15 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 Honda Ridgeline in the United States are 27,677 units [1]. If the total number of problems reported by Honda Ridgeline owners in the last 5 years is 128, and the age of the vehicle is 5, the PPMY index can then be calculated as
PPMY Index = 128 / 27,677 / 5 * 1000 = 0.92.
For more information, refer to this page: A study of reliability comparison across Honda Ridgeline model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2021 Honda Ridgeline in 2021.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 |
When making the decision between buying a new or used Honda Ridgeline, the following table can be used to compare the 2021 Honda Ridgeline with the Honda Ridgeline from other model years. Note that the number of problems reported for the 2021 Ridgeline is 128 while the average number of problems reported for the 20 model years of the Honda Ridgeline is 127.