There are 4 owner-reported fuel system complaints for the 2011 Subaru Legacyin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT CALLED ON BEHALF OF HER DAUGHTER WHO OWNS A 2011 SUBARU LEGACY. THE CONTACT STATED THAT THE VEHICLE SPUTTERED WHILE SLOWING DOWN TO COME TO A COMPLETE STOP. THE VEHICLE LOSS MOTIVE POWER BEFORE COMING TO A STOP. THE VEHICLE WAS RESTARTED. THE CONTACT TOOK THE VEHICLE TO FIRST TEAM SUBARU NORFOLK (6633 E VIRGINIA BEACH BLVD, NORFOLK, VA 23502, (877) 274-7828) HOWEVER, THE MECHANIC WAS UNABLE TO DETERMINE THE CAUSE OF THE FAILURE. THE MECHANIC SUGGESTED THAT FUEL ADDITIVE SHOULD BE ADDED TO THE FUEL TO PROVIDE A TEMPORARY FIX. THE VEHICLE WAS NOT YET REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 100,000.
TL* THE CONTACT OWNS A 2011 SUBARU LEGACY. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE LOST POWER, THE BRAKES SEIZED AND ALL OF THE WARNING LIGHTS ILLUMINATED. THE VEHICLE WAS LATER TOWED TO THE DEALER WHERE THEY ADVISED THAT HE HAD USED BAD GASOLINE FUEL IN THE TANK. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED BUT THEY OFFERED NO ASSISTANCE. THE FAILURE AND CURRENT MILEAGES WERE UNAVAILABLE. THE VIN WAS UNAVAILABLE. *TR
THE GAS CAP SEAL IS NOT WORKING AS IT SHOULD. IT ONLY LAST TWO YEARS WITH 40K MILES. THE VEHICLE TRIP ON TROUBLE CODE: P0456 EVAPORATIVE EMISSIONS SYSTEM - SMALL LEAK DETECTED. IT HAPPEN 4 OUT OF 5 TIMES I FILL UP MY GAS TANK. EACH FILL UP, I VERIFY THAT THE GAS CAP IS TIGHT - CLICK A COUPLE TIMES. THE GAS CAP IS CHEAP. I CAN REPLACE IT MYSELF BUT DOES NOT LIKE SUBARU TO BECOME COVER UP LIKE TOYOTA. *TR
TL* THE CONTACT OWNS A 2011 SUBARU LEGACY. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 30 MPH THE BRAKES ENGAGED AND LOCKED UP. THE CONTACT MENTIONED THAT ALL THE WARNING LIGHTS ILLUMINATED ON THE INSTRUMENTAL PANEL IMMEDIATELY AFTER. THE VEHICLE WAS UNABLE TO BE DRIVEN AND WAS LATER TOWED TO A DEALER. AFTER DIAGNOSIS THEY ADVISED HER THAT THE FAILURE WAS DUE TO THE GAS CAP TEARING AND THE TRANSMISSION MOTOR MOUNT HAD A LEAK. THE VEHICLE WAS REPAIRED FOR THE GAS CAP ONLY. THE MANUFACTURER WAS CONTACTED AND THEY ADVISED HER THAT THERE WERE NO SIMILAR ISSUES. THE FAILURE AND CURRENT MILEAGE WAS APPROXIMATELY 23,500.
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 25, 2026