There are 3 owner-reported speed control & cruise complaints for the 2020 Subaru Legacyin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact's wife owned a 2020 Subaru Legacy. The contact stated while his wife was driving approximately 3 MPH in a parking lot the vehicle suddenly accelerated and jumped the curb into woods and collided with a tree. The contact said his wife was not aware of any warning lights being illuminated. The vehicle front bumper and hood hit in the center and were both crumpled back about six inches. The contact hit the top of his head severely damaging the windshield on the passenger side and sustained minor cuts. Due to the sudden acceleration he had not been able to buckle his seat belt, additionally the airbags did not deploy. The contact was transported by ambulance to a hospital. The police were called, a report was written and the vehicle was towed to a holding lot. The vehicle was not repaired. The contact's insurance provider declared the vehicle a total loss. The manufacturer had been informed of the failure. The failure mileage was 16,200.
I WAS DRIVING ON A FOUR LANE SECTION GOING UPHILL ON US50 IN CALIFORNIA WHERE THE SPEED LIMIT IS APPROXIMATELY 60 MILES PER HOUR. THE CAR SUDDENLY SLOWED DOWN TO APPROXIMATELY 25 TO 30 MPH. ALL ATTEMPTS TO INCREASE THE SPEED TO 55 TO 60 MPH FAILED. I SAFELY PULL OVER AND STOPPED THE CAR AND TURNED IT OFF. IT WAS RESTARTED, AND THE PROBLEM DID NOT OCCUR AGAIN.
TRAVELING APPROXIMATELY 50 MPH ALL THE WARNING LIGHTS DISPLAYED AND THE VEHICLE LOST POWER. THE VEHICLE WAS PULLED OVER TO THE SHOULDER. UNABLE TO PUT IT IN PARK. TURNED IT OFF AND ON A COUPLE OF TIMES BEFORE IT WOULD GO INTO PARK. DROVE IT TO THE DEALER BUT IT WOULDN'T GO MORE THAN 30 MPH. THIS HAS HAPPENED THREE TIMES AFTER HAVING THIS VEHICLE FOR LESS THAN SIX MONTHS.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026