There are 1 stored owner reports matching the engine leading-label group for the 2018 Buick Regal in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.