There are 1 stored owner reports matching the powertrain & transmission leading-label group for the 2011 Buick Lucerne 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 2011 BUICK LUCERNE. WHILE DRIVING AT A LOW SPEED, THE VEHICLE HESITATED WHEN THE BRAKE PEDAL WAS DEPRESSED. THE CONTACT STATED THAT THE TRANSMISSION WAS NOT IN SYNC WITH THE ENGINE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE TRANSMISSION FAILED DUE TO EXCESSIVE TRAVEL IN THE THIRD CLUTCH PISTON. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WOULD NOT REPAIR THE VEHICLE BECAUSE THE WARRANTY EXPIRED. THE FAILURE MILEAGE WAS 117,000.
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.
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.