47 problems have been reported for the 2017 Toyota 4Runner. The following chart shows the 14 most common problems for 2017 Toyota 4Runner. The number one most common problem is related to the vehicle's equipment with 13 problems. The second most common problem is related to the vehicle's service brakes, hydraulic (9 problems).
| Problem Category | Number of Problems |
|---|---|
| Equipment | |
| Service Brakes | |
| Electrical System | |
| Air Bag | |
| Structure | |
| Other Fuel System | |
| Vehicle Speed Control | |
| Engine And Engine Cooling | |
| Suspension | |
| Steering | |
| Latches/locks/linkage | |
| Seat Belt | |
| Power Train | |
| Wheel |
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 2017 Toyota 4Runner in the United States are 85,417 units [1]. If the total number of problems reported by Toyota 4Runner owners in the last 9 years is 47, and the age of the vehicle is 9, the PPMY index can then be calculated as
PPMY Index = 47 / 85,417 / 9 * 1000 = 0.06.
For more information, refer to this page: A study of reliability comparison across Toyota 4Runner model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2017 Toyota 4Runner in 2017.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 |
When making the decision between buying a new or used Toyota 4Runner, the following table can be used to compare the 2017 Toyota 4Runner with the Toyota 4Runner from other model years. Note that the number of problems reported for the 2017 4Runner is 47 while the average number of problems reported for the 31 model years of the Toyota 4Runner is 223.