2011 Buick Regal Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train ranks on this vehicle
Share of the 279 complaints citing each category; one complaint can cite several. Full breakdown on the 2011 Buick Regal overview page.
What owners report
“CHECK ENGINE LIGHT ILLUMINATED AT 82000 MILES. USING THE SCAN TOOL FROM A LOCAL AUTO PARTS STORE, I OBSERVED THAT THE OBD-II CODES WERE P0016…”NHTSA complaint 10937265 — filed 12/23/2016
“THE CONTACT OWNS A 2011 BUICK REGAL. WHILE DRIVING 10 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT WAS NOT ABLE TO RESTART THE VEHICLE…”NHTSA complaint 10917805 — filed 10/21/2016
“THE CONTACT OWNS A 2011 BUICK REGAL. WHILE THE VEHICLE WAS IDLING AT A RED LIGHT, IT FAILED TO ACCELERATE WITHOUT WARNING. THE CONTACT HAD…”NHTSA complaint 10915929 — filed 10/13/2016
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2011 Buick Regal have transmission & power train problems?
Power Train is the #3 most-reported problem area on the 2011 Buick Regal: 37 of 279 complaints on file (13.3%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2011 Buick Regal have in total?
279 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 7 involved a crash, 7 involved a fire, 7 reported injuries, and none reported deaths.
What does NHTSA's power train category include?
NHTSA groups complaints about the transmission (automatic or manual), driveline, axles, transfer case and related parts under a single component category called POWER TRAIN. This page reports that category as NHTSA defines it.
