There are 2 stored owner reports matching the engine leading-label group for the 2016 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 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)The contact owns a 2016 Buick Regal. The contact stated while driving 35-40 MPH, the check engine warning light illuminated, and the vehicle started sputtering. The contact veered to the side of the road and turned off the vehicle for 5-10 minutes. The contact stated that upon restarting the vehicle, the failure was no longer present. The contact drove to the residence. The contact stated that the failure recurred while driving. The vehicle was taken to the dealer, where it was diagnosed that the cylinder #1 coil pack and spark plug needed to be replaced. The vehicle was taken to an independent mechanic, where all the coil packs and sparks plugs were replaced; however, the failure recurred several days later. The vehicle was taken back to the independent mechanic, where it was determined that the failure was related to TSB Number: 16-NA-383 (Engine and Engine Cooling). The dealer was contacted and informed the contact that the TSB was VIN specific, and the vehicle was not covered. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 85,900.
ENGINE HAS A DEFECT THAT CAUSES A PIECE OF THE ENGINE TO BREAK OFF AND END UP IN THE OIL LINES, ENDS UP IN OIL PAN. THIS DEFECT CAUSES THE ENGINE TO FREEZE AND OWNER MUST REPLACE THE ENGINE. MY VEHICLE ONLY HAD 50K MILES AND I AM UNABLE TO DRIVE IT. I NOW NEED A BRAND NEW ENGINE AND BUICK KNOWS ABOUT DEFECT BUT WON'T ISSUE RECALL OR FIX THE DEFECT. I WAS DRIVING ON HIGHWAY WHEN ENGINE SHUT DOWN
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.