Vehicle: 2021 Subaru Legacy Base 2.5i Mileage:~65,000 miles My engine suddenly began making loud internal knocking/tapping noises with no warning lights, no overheating, and no prior symptoms. The vehicle immediately became unsafe to operate. I had it towed to a Subaru dealership, where technicians confirmed the noise was coming from inside the engine and recommended a full engine replacement. The failure happened without any warning indicators, misfires, overheating, or oil pressure warnings. All diagnostics (including compression and leakdown) were clean, and the vehicle has been properly maintained. Subaru of America acknowledged the internal failure but only offered $1,000 goodwill toward a multi‑thousand‑dollar engine replacement. This appears to be a premature internal engine failure on the FB25 engine, which may indicate a defect. A sudden internal engine failure at highway speeds could lead to loss of power, stalling, or inability to accelerate, creating a safety hazard for the driver and surrounding traffic. I am filing this complaint because this type of unexpected internal engine failure at relatively low mileage may represent a pattern and should be tracked for potential investigation.

Source: NHTSA complaint ODI #11742064 · view all complaints for this vehicle at nhtsa.gov

Dear NHTSA Team, I am writing to report a recurring and distressing issue with my Subaru Legacy 2021 which I believe raises significant safety concerns. Since purchasing the vehicle, I have experienced consistent problems with the battery. Despite replacing the battery five times, the vehicle has repeatedly stopped functioning, including a recent incident where it stalled in the middle of the road. This required me to call law enforcement and a towing service, adding considerable mental and financial stress. These unexpected breakdowns are not only inconvenient but also pose serious safety risks to myself and others on the road. I am concerned that this issue may not be isolated and could affect other Subaru owners as well. I kindly request your assistance in investigating this matter to ensure that appropriate actions are taken to address this potential defect. Please let me know if you need additional information, such as detailed records of the incidents, repair history, or communication with Subaru regarding the issue. Thank you for your attention to this matter. I appreciate your efforts in ensuring road safety and protecting vehicle owners. Sincerely, [XXX] [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Source: NHTSA complaint ODI #11632889 · view all complaints for this vehicle at nhtsa.gov

After shifting my car into reverse, I slowly started removing my foot from the brake pedal. At this time, the car started rapidly accelerating backwards so I put pressure back on the brake pedal to stop the car. When doing so, the ABS light came on my dashboard, I heard a griding sound like the car was still trying to accelerate, and there was a loud constant beep. I was able to shift the car into neutral and then into park to stop the car and then turned the car off. I contacted the dealership about the issue, but have not yet been able to further investigate or bring it into the dealership.

Source: NHTSA complaint ODI #11588661 · view all complaints for this vehicle at nhtsa.gov

The contact owns a 2021 Subaru Legacy. The contact received notification of NHTSA Campaign Number: 24V227000 (AIR BAGS); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

Source: NHTSA complaint ODI #11643453 · view all complaints for this vehicle at nhtsa.gov

Three times within a 1 year period, the windshield cracked without an object hitting it. First time in July, 2021, second time in September, 2021, and third time in June, 2022. After the first time, I had the windshield replaced at my own expense. The second time, Subaru completed the replacement at no cost. The third time, Subaru completed the replacement but refused to pay for it, claiming that an object likely hit the windshield. However, the crack occurred overnight while the car was in my driveway. I believe the windshield is obviously defective and I should be remunerated for at least the last replacement and any future such replacements.

Source: NHTSA complaint ODI #11474196 · view all complaints for this vehicle at nhtsa.gov