There are 1 owner-reported engine complaints for the 2018 Buick Regalin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2018 BUICK REGAL. WHEN THE VEHICLE WAS STOPPED AT A RED LIGHT, THE ENGINE WAS DESIGNED TO SHUT DOWN TO PRESERVE FUEL. INSTEAD, THE ENGINE RPMS WOULD REV AND INCREASE TO 3,000 AND THE VEHICLE ACCELERATED. THE DRIVER IMMEDIATELY SHIFTED INTO NEUTRAL TO PREVENT THE VEHICLE FROM DRIVING THROUGH A BUSY INTERSECTION. THE CONTACT STATED THAT THE FAILURE ALSO OCCURRED ONCE WHILE REVERSING OUT OF A DRIVEWAY. THE VEHICLE WAS TAKEN TO MCELVEEN BUICK (117 FARMINGTON RD, SUMMERVILLE, SC), BUT THE FAILURES COULD NOT BE DIAGNOSED OR DUPLICATED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURES. THE FAILURE MILEAGE WAS 300.
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