There are 4 owner-reported engine complaints for the 2018 Subaru Legacyin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I have a 2018 Subaru Legacy 2.5. The front catalytic converter failed April 2022 with 130k miles. the part was replace by Subaru and the part has failed again. Oct 2023 with 180k miles. Exhaust fumes enter the passenger compartment (which are Carbon Monoxide). The same part has failed two times in a short period of time. Subaru states this is not a warranty issue .This must become a recall.
A friend was trying to move the car from the street when it suddenly lurched and accelerated and hit a tree, and boulder, and another car. They had not stepped on the accelerator yet. She lost control of the car. It was totaled as per State Farm.
The contact owns a 2018 Subaru Legacy. The contact stated while stopped at a traffic light with her foot lightly depressing the brake pedal, the vehicle independently accelerated and crashed into the rear bumper of a vehicle stopped in front of her. The contact stated no warning light was illuminated. The contact stated that her front bumper, radiator, and part of the frame that supports the bumper had been damaged and needed to be replaced. The radiator had been damaged and leaked out all the coolant. There was only minor damage to a trailer hitch on the rear bumper on the vehicle the contact crashed into. The other vehicle was able to drive away from the scene of the crash and the contact drove her vehicle to a nearby repair shop. The police were not involved. The manufacturer had not been informed of the failure. The failure mileage was approximately 50,000.
TL* THE CONTACT OWNS A 2018 SUBARU LEGACY. THE CONTACT STATED THAT THE VEHICLE CONSUMED AN EXCESSIVE AMOUNT OF OIL WHILE DRIVING. THE ENGINE OIL WARNING LIGHT WAS ILLUMINATED. THE CONTACT HAD TAKEN THE VEHICLE TO BUDD BAER SUBARU (71 MURTLAND AVE, WASHINGTON, PA 15301) AND SUBARU OF MOON TOWNSHIP (5450 UNIVERSITY BLVD, MOON TWP, PA 15108) AND WAS INFORMED THAT SIMILAR VEHICLES WERE KNOWN TO CONSUME EXCESSIVE AMOUNTS OF OIL. THE VEHICLE WAS NOT REPAIRED AFTER MULTIPLE VISITS AND PERFORMANCE TESTS. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 18,000.
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 May 4, 2026