What happened
The Insurance Institute for Highway Safety (IIHS) is an independent nonprofit funded by auto insurers. On 25 April 2024, it published the first results of a tougher test of front crash prevention, with trials at 31, 37 and 43 mph. Its earlier test ran at 12 and 25 mph. Besides a passenger car target, the new test uses a motorcycle target and a dry van trailer. IIHS awards points for warnings at least 2.1 seconds before impact and for large speed reductions by automatic emergency braking. With the trailer, only the warning is tested, and the driver steers out of the lane. The 2023-24 Subaru Forester comes with EyeSight as standard. It avoided the car target at every test speed and the motorcycle target at 31 and 37 mph. At 43 mph, it slowed by an average of 30 mph before hitting the motorcycle target. Its warnings came in time in all those trials and with the trailer. It was the only one of 10 small SUVs rated good. No crash avoided on public roads is reported.
Sources
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Assessment report, by authors with no tie to the system.
Insurance Institute for Highway Safety. Few small SUVs excel in new IIHS front crash prevention test. News release, 25 April 2024, section Evaluating performance.
The good-rated Forester avoided a collision with the passenger car target at every test speed, avoided hitting the motorcycle target at 31 and 37 mph, and slowed by an average of 30 mph before hitting the motorcycle target in the 43 mph tests.
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Assessment report, by authors with no tie to the system.
Insurance Institute for Highway Safety. 2023 Subaru Forester 4-door SUV, front crash prevention: vehicle-to-vehicle 2.0. Vehicle ratings page, read on 1 November 2026.
Front crash prevention: vehicle-to-vehicle 2.0 System details standard EyeSight
Details
AI system
- Workflow
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EyeSight was standard on the 2023-24 Forester. IIHS ran trials at 31, 37 and 43 mph with car and motorcycle targets centered and offset in the lane. An engineer drove the car at each target and recorded the warning time and the speed reduction.
Follow-up
- Conditions for replication
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The driver brakes or steers when nearing a motorcycle at 43 mph, since the system slowed the car but hit the target at that speed. The driver steers or brakes for a large truck ahead, since IIHS tested only the warning with the trailer.
Entry details
- Sector
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Road vehicle crash avoidance.
- Purpose
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Subaru built EyeSight to warn the driver of a likely frontal crash and to brake automatically to avoid or soften it.
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Cite this record
Peter H. Vartanian. (2026). EyeSight on the Forester avoided a car target at up to 43 mph (AIBD-0977). Artificial Intelligence Benefits Database, edition of 1 November 2026. https://petervartanian.xyz/aibd/records/AIBD-0977.html (archived at https://doi.org/10.7910/DVN/AADSII, version 7.0)