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2011 Buick Regal

Owner reports · Recalls · Investigations

More warning signs than most Regal years

Owner complaints for the 2011 Buick Regal are substantially higher than the model-year median of 29.

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When problems were reported

Mileage at the reported incident

204 reports with mileage · 75 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine. Review the 108 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 75 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 39 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

7 crash reports7 fire reports6 injury reports

Engine complaints

108 reports
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Mileage unknown · May 13, 2026
Electrical SystemEnginePower Train

While driving on the highway at 60 mph, warning on dash came on saying “engine power reduced” and drop down speed to around 25 mph and I could not accelerate more than 25 mph on the highway which could have caused an accident because of the traffic flow behind me. I put a code scanner under the dash and it read code P2138, Throt…

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While driving on the highway at 60 mph, warning on dash came on saying “engine power reduced” and drop down speed to around 25 mph and I could not accelerate more than 25 mph on the highway which could have caused an accident because of the traffic flow behind me. I put a code scanner under the dash and it read code P2138, Throttle pedal position sensor switch.

NHTSA ODI #11737701

140,000 miles · Oct 8, 2025
Engine

The contact owns a 2011 Buick Regal. The contact stated that while driving at 30 MPH, the vehicle stalled with the check engine warning light illuminated. The vehicle was able to be restarted. The dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The approximate …

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The contact owns a 2011 Buick Regal. The contact stated that while driving at 30 MPH, the vehicle stalled with the check engine warning light illuminated. The vehicle was able to be restarted. The dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 140,000.

NHTSA ODI #11692104

Mileage unknown · Apr 16, 2024
EngineLane DepartureStructure

The cars mileage was altered due to car being wrecked prior and the other car that was used to replace wrecked parts was hidden and vin number was altered. Copart Inc and ICT Sharp Rides are party's involved, I bought car on 12/28/2023 mileage was listed as 132525

NHTSA ODI #11583341

Mileage unknown · Oct 28, 2023
EngineFuel/propulsion SystemPower TrainCrash

Preparing to park into a parking space in an off street parking lot the vehicle forcefully and rapidly accelerated on its' own and crashed into a fence. I was not accelerating. I attempted to stop the car using the brakes but they did not engage quickly enough to stop the rapid, forceful, and without warning acceleration. Bui…

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Preparing to park into a parking space in an off street parking lot the vehicle forcefully and rapidly accelerated on its' own and crashed into a fence. I was not accelerating. I attempted to stop the car using the brakes but they did not engage quickly enough to stop the rapid, forceful, and without warning acceleration. Buick has been contacted about the defect. Buick ran extensive diagnostics on the car and denies there is a defect. Police came to the scene and advised that given the 2 other incidents that I have experienced, the car is unsafe to drive given potential damage to others. A police report was filed.

NHTSA ODI #11552417

Mileage unknown · Oct 28, 2023
EngineFuel/propulsion SystemPower Train

When pulling into parking space the car rapidly accelerated on its' own and crashed into the car in the next parking space. I did not have my foot on the gas, the car was simply idling. The acceleration was so rapid that applying the brake was useless.

NHTSA ODI #11552410

Mileage unknown · Oct 28, 2023
EngineFuel/propulsion SystemPower TrainCrash

I was parking in marked space. I had turned into space, my foot was off the gas pedal. The car was 3/4 into the space when it malfunctioned and rapidly accelerated into a hardened snow bank. i instantly braked but there was not enough space to avoid collision.

NHTSA ODI #11552406

Mileage unknown · Nov 30, 2021
EngineExterior Lighting

The contact owns a 2011 Buick Regal. The contact stated that while driving on several occasions the headlights became inoperable. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic who informed the contact that the wiring in the bumper was hot at the base. The vehicle was taken to t…

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The contact owns a 2011 Buick Regal. The contact stated that while driving on several occasions the headlights became inoperable. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic who informed the contact that the wiring in the bumper was hot at the base. The vehicle was taken to the local dealer where the engine was diagnosed. The vehicle was not repaired. The manufacturer was not notified. The failure mileage was unknown.

NHTSA ODI #11442162

140,000 miles · Sep 7, 2021
Electrical SystemEngine

The contact owns a 2011 Buick Regal. The contact stated while driving 30 MPH and accelerating to enter the highway, the vehicle stalled. The contact stated that the traction, stability, and engine power reduced warning lights were illuminated. The contact stated she was able to park on the side of the road for 30 minutes before …

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The contact owns a 2011 Buick Regal. The contact stated while driving 30 MPH and accelerating to enter the highway, the vehicle stalled. The contact stated that the traction, stability, and engine power reduced warning lights were illuminated. The contact stated she was able to park on the side of the road for 30 minutes before continuing to drive to her destination. The contact took the vehicle to the local dealer however, the mechanic was unable to diagnose the cause of the failure. The contact also stated that she was unable to open the doors due to the battery not charging. The vehicle was not repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 140,000.

NHTSA ODI #11431948

Mileage unknown · Jul 20, 2021
Electrical SystemEngineFuel/propulsion SystemFire

While the vehicle was driving, there was a loss of power, at that moment sparks was seen emanating from under the hood, then the vehicle completely stopped running. Once pulled over smoke was bellowing out from the hood and subsequently ignited into flames. Fire department was dispatched and fire was extinguished. The vehicle wa…

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While the vehicle was driving, there was a loss of power, at that moment sparks was seen emanating from under the hood, then the vehicle completely stopped running. Once pulled over smoke was bellowing out from the hood and subsequently ignited into flames. Fire department was dispatched and fire was extinguished. The vehicle was towed away and is still at the tow yard. The tow operator, based on visual inspection stated the fire did start in the engine compartment and spread to the fire wall, totaling the vehicle.

NHTSA ODI #11425696

Mileage unknown · Jul 8, 2021
Engine

The engine shuts off when I slow down to make a left turn,this has happened twice. It does start again. I am afraid to drive it know.

NHTSA ODI #11423963

Official recalls

4

16V517000 · Electrical System:wiring; Seats:front Assembly:power Adjust

Jul 7, 2016

General Motors LLC (GM) is recalling certain model year 2011 Buick Regal vehicles manufactured November 3, 2009, to March 25, 2011, equipped with 8-way power adjustable front seats. The power seat wiring harness may contact the seat frame, causing the wires to chafe.

Consequence & remedy

Consequence: Chafed harness wires may cause a short circuit, increasing the risk of a fire.

Remedy: GM will notify owners, and dealers will inspect and secure the wiring harness, and repair any chafed wires as necessary, free of charge. The recall began on March 13, 2017. Owners may contact Buick customer service at 1-800-521-7300. GM's number for this recall is 30710.

Additional source detail variants (2)

Seats:front Assembly:power Adjust

General Motors LLC (GM) is recalling certain model year 2011 Buick Regal vehicles manufactured November 3, 2009, to March 25, 2011, equipped with 8-way power adjustable front seats. The power seat wiring harness may contact the seat frame, causing the wires to chafe.

Consequence: Chafed harness wires may cause a short circuit, increasing the risk of a fire.

Remedy: GM will notify owners, and dealers will inspect and secure the wiring harness, and repair any chafed wires as necessary, free of charge. The recall began on March 13, 2017. Owners may contact Buick customer service at 1-800-521-7300. GM's number for this recall is 30710.

Electrical System:wiring

General Motors LLC (GM) is recalling certain model year 2011 Buick Regal vehicles manufactured November 3, 2009, to March 25, 2011, equipped with 8-way power adjustable front seats. The power seat wiring harness may contact the seat frame, causing the wires to chafe.

Consequence: Chafed harness wires may cause a short circuit, increasing the risk of a fire.

Remedy: GM will notify owners, and dealers will inspect and secure the wiring harness, and repair any chafed wires as necessary, free of charge. The recall began on March 13, 2017. Owners may contact Buick customer service at 1-800-521-7300. GM's number for this recall is 30710.

16V502000 · Electrical System:ignition; Power Train:automatic Transmission:control Module (tcm/pcm/tecm)

Jul 5, 2016

General Motors LLC (GM) is recalling certain model year 2016-2017 Buick Verano and 2016 Chevrolet Malibu as the electronic park lock lever may allow the ignition key to be removed without the transmission being in PARK. Also, certain 2013 Buick Encore, 2011 Buick Regal, 2013-2014 Buick Verano, 2011-2016 Chevrolet Cruze, 2010-2013 Chevrolet Equinox 2013-2015 Chevrolet Malibu, and 2011-2013 GMC Terrain vehicles may have been serviced with similar defective replacement electronic park lock levers. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 114, "Theft Protection and Rollaway Prevention."

Consequence & remedy

Consequence: If the key is removed without the transmission in PARK, the vehicle may rollaway as occupants are exiting, increasing the risk of injury.

Remedy: GM will notify owners, and dealers will inspect and if necessary replace the key cylinder lock housing, free of charge. The recall began on October 14, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, Buick 1-800-521-7300, and GMC 1-800-462-8782. GM's number for this recall is 50490 and 50491.

Additional source detail variants (2)

Electrical System:ignition

General Motors LLC (GM) is recalling certain model year 2016-2017 Buick Verano and 2016 Chevrolet Malibu as the electronic park lock lever may allow the ignition key to be removed without the transmission being in PARK. Also, certain 2013 Buick Encore, 2011 Buick Regal, 2013-2014 Buick Verano, 2011-2016 Chevrolet Cruze, 2010-2013 Chevrolet Equinox 2013-2015 Chevrolet Malibu, and 2011-2013 GMC Terrain vehicles may have been serviced with similar defective replacement electronic park lock levers. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 114, "Theft Protection and Rollaway Prevention."

Consequence: If the key is removed without the transmission in PARK, the vehicle may rollaway as occupants are exiting, increasing the risk of injury.

Remedy: GM will notify owners, and dealers will inspect and if necessary replace the key cylinder lock housing, free of charge. The recall began on October 14, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, Buick 1-800-521-7300, and GMC 1-800-462-8782. GM's number for this recall is 50490 and 50491.

Power Train:automatic Transmission:control Module (tcm/pcm/tecm)

General Motors LLC (GM) is recalling certain model year 2016-2017 Buick Verano and 2016 Chevrolet Malibu as the electronic park lock lever may allow the ignition key to be removed without the transmission being in PARK. Also, certain 2013 Buick Encore, 2011 Buick Regal, 2013-2014 Buick Verano, 2011-2016 Chevrolet Cruze, 2010-2013 Chevrolet Equinox 2013-2015 Chevrolet Malibu, and 2011-2013 GMC Terrain vehicles may have been serviced with similar defective replacement electronic park lock levers. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 114, "Theft Protection and Rollaway Prevention."

Consequence: If the key is removed without the transmission in PARK, the vehicle may rollaway as occupants are exiting, increasing the risk of injury.

Remedy: GM will notify owners, and dealers will inspect and if necessary replace the key cylinder lock housing, free of charge. The recall began on October 14, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, Buick 1-800-521-7300, and GMC 1-800-462-8782. GM's number for this recall is 50490 and 50491.

14V447000 · Seats:front Assembly:power Adjust

Jul 23, 2014

General Motors LLC (GM) is recalling certain model year 2011-2012 Buick LaCrosse, Regal and Chevrolet Camaro, as well as certain 2010-2012 Cadillac SRX, Chevrolet Equinox and GMC Terrain vehicles, equipped with power height adjustable driver and passenger seats. In the affected vehicles, the bolt that secures the driver's and passenger's power front seat height adjuster may fall out causing the seat to drop suddenly to the lowest vertical position.

Consequence & remedy

Consequence: If the driver's seat unexpectedly drops, the distraction and altered seat position may affect the drivers' control of the vehicle, increasing the risk of a crash.

Remedy: GM will notify owners, and dealers will replace the height adjuster shoulder bolts, free of charge. The manufacturer distributed interim letters to owners on September 11, 2014. The recall began on December 26, 2014. Owners may contact GM customer service at 1-800-521-7300 (Buick), 1-800-458-8006 (Cadillac), 1-800-222-1020 (Chevrolet), or 1-800-462-8782 (GMC). GM's number for this recall is 14271.

12V484000 · Exterior Lighting:turn Signal

Oct 4, 2012

General Motors LLC (GM) is recalling certain model year 2011-2013 Buick Regal and model year 2013 Chevrolet Malibu vehicles. These vehicles are equipped with two turn signal bulbs in each front turn signal. If one of the two front turn signal bulbs burn out in either front turn signal lamp, there is no indication to the driver. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard No. 108, "Lamps, Reflective Devices, and Associated Equipment."

Consequence & remedy

Consequence: If the driver is not aware that a turn signal is not functioning properly, the driver may continue to drive the vehicle. If half of a front turn signal is not illuminating, other driver's may not be aware that the affected vehicle is turning, thereby increasing the risk of a crash.

Remedy: GM will notify owners, dealers will update the body control module software, free of charge. The recall began in September 2014. Owners may contact Buick at 1-800-521-7300 or Chevrolet at 1-800-222-1020. GM's number for this recall is 12212.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.