| 2024 | Caution | 7 | Excess RTV silicone sealant from the factory oil-pan gasket breaks loose inside the pan and clogs the oil-pickup tube, risking oil starvation and engine damage; the great majority of early 2022 complaints describe this defect, which tapered on later builds.; Infotainment touchscreen periodically goes blank, which can also disable the EyeSight camera-based driver-assist system until it recovers.; Reports of the sunroof spontaneously shattering while driving. | Full report ↗ |
| 2023 | Caution | 7 | Excess RTV silicone sealant from the factory oil-pan gasket breaks loose inside the pan and clogs the oil-pickup tube, risking oil starvation and engine damage; the great majority of early 2022 complaints describe this defect, which tapered on later builds.; Infotainment touchscreen periodically goes blank, which can also disable the EyeSight camera-based driver-assist system until it recovers.; Reports of the sunroof spontaneously shattering while driving. | Full report ↗ |
| 2021 | Caution | 7 | Turbocharged boxer engines (FA20 in the WRX, EJ257 in the STI) are prone to connecting-rod bearing failure ("rod knock") and catastrophic engine failure, especially on cars that were modified, tracked, or had neglected oil changes; a class-action covered 2012-2017 STI engines.; Parasitic battery drain leaving the car unable to start after a day or two of inactivity, often persisting even after the battery is replaced.; Premature clutch and throw-out bearing wear on the 6-speed manual, with owners reporting failures and replacements at relatively low mileage. | Full report ↗ |
| 2020 | Caution | 7 | Turbocharged boxer engines (FA20 in the WRX, EJ257 in the STI) are prone to connecting-rod bearing failure ("rod knock") and catastrophic engine failure, especially on cars that were modified, tracked, or had neglected oil changes; a class-action covered 2012-2017 STI engines.; Parasitic battery drain leaving the car unable to start after a day or two of inactivity, often persisting even after the battery is replaced.; Premature clutch and throw-out bearing wear on the 6-speed manual, with owners reporting failures and replacements at relatively low mileage. | Full report ↗ |
| 2022 | Caution | 6 | Excess RTV silicone sealant from the factory oil-pan gasket breaks loose inside the pan and clogs the oil-pickup tube, risking oil starvation and engine damage; the great majority of early 2022 complaints describe this defect, which tapered on later builds.; Infotainment touchscreen periodically goes blank, which can also disable the EyeSight camera-based driver-assist system until it recovers.; Reports of the sunroof spontaneously shattering while driving. | Full report ↗ |
| 2019 | Caution | 6 | Turbocharged boxer engines (FA20 in the WRX, EJ257 in the STI) are prone to connecting-rod bearing failure ("rod knock") and catastrophic engine failure, especially on cars that were modified, tracked, or had neglected oil changes; a class-action covered 2012-2017 STI engines.; Parasitic battery drain leaving the car unable to start after a day or two of inactivity, often persisting even after the battery is replaced.; Premature clutch and throw-out bearing wear on the 6-speed manual, with owners reporting failures and replacements at relatively low mileage. | Full report ↗ |
| 2018 | Caution | 6 | Turbocharged boxer engines (FA20 in the WRX, EJ257 in the STI) are prone to connecting-rod bearing failure ("rod knock") and catastrophic engine failure, especially on cars that were modified, tracked, or had neglected oil changes; a class-action covered 2012-2017 STI engines.; Parasitic battery drain leaving the car unable to start after a day or two of inactivity, often persisting even after the battery is replaced.; Premature clutch and throw-out bearing wear on the 6-speed manual, with owners reporting failures and replacements at relatively low mileage. | Full report ↗ |
| 2017 | Caution | 6 | Turbocharged boxer engines (FA20 in the WRX, EJ257 in the STI) are prone to connecting-rod bearing failure ("rod knock") and catastrophic engine failure, especially on cars that were modified, tracked, or had neglected oil changes; a class-action covered 2012-2017 STI engines.; Parasitic battery drain leaving the car unable to start after a day or two of inactivity, often persisting even after the battery is replaced.; Premature clutch and throw-out bearing wear on the 6-speed manual, with owners reporting failures and replacements at relatively low mileage. | Full report ↗ |
| 2016 | Caution | 6 | Turbocharged boxer engines (FA20 in the WRX, EJ257 in the STI) are prone to connecting-rod bearing failure ("rod knock") and catastrophic engine failure, especially on cars that were modified, tracked, or had neglected oil changes; a class-action covered 2012-2017 STI engines.; Parasitic battery drain leaving the car unable to start after a day or two of inactivity, often persisting even after the battery is replaced.; Premature clutch and throw-out bearing wear on the 6-speed manual, with owners reporting failures and replacements at relatively low mileage. | Full report ↗ |
| 2015 | Caution | 6 | Turbocharged boxer engines (FA20 in the WRX, EJ257 in the STI) are prone to connecting-rod bearing failure ("rod knock") and catastrophic engine failure, especially on cars that were modified, tracked, or had neglected oil changes; a class-action covered 2012-2017 STI engines.; Parasitic battery drain leaving the car unable to start after a day or two of inactivity, often persisting even after the battery is replaced.; Premature clutch and throw-out bearing wear on the 6-speed manual, with owners reporting failures and replacements at relatively low mileage. | Full report ↗ |