Which parts fail
Components named in complaints (struts, shocks, control arms, ball joints, springs).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2011 Buick Lacrosse owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2011 Buick Lacrosse. The contact stated that while his daughter was driving at 45 MPH with her 10-month-old child in a rear-facing car seat located in the rear driver seat, the rear driver's side toe link detached and she lost control of the vehicle. The vehicle drove off the road and crashed into a ditch. The air bags failed to deploy. The contact's daughter was able to exit the vehicle on her own. The contact's daughter sustained a forehead ache but did not seek medical assistance. The contact's grandchild did not sustain any injuries. A police report was filed. The vehicle was towed to a tow lot. The dealer was not notified of the failure. The contact became aware of the recall for NHTSA Campaign Number: 20V764000 (SUSPENSION) and contacted the manufacturer. …
The contact owns a 2011 Buick Lacrosse. The contact stated that while attempting to use the defroster, the HVAC system was not working properly, and paper towels were used to wipe the inside and outside windshield. Additionally, the contact stated that while driving approximately 15 MPH or while slowing down to come to a stop, there was an abnormal creaking sound coming from the rear end of the vehicle. There was no warning light illuminated. The vehicle was taken to an independent mechanic, and the contact was advised to take the vehicle to the dealer to have the HVAC system reprogrammed. The vehicle was taken to a dealer; however, the HVAC system could not be reprogrammed. The vehicle was not repaired. The contact had not taken the vehicle to a dealer or mechanic to have the abnormal sound coming from the rear end diagnosed. …
The contact owns a 2011 Buick Lacrosse. The contact stated that while driving at an undisclosed speed, the vehicle made rattling noises and was shaking. The vehicle was taken to the dealer where it was diagnosed that the struts needed to be replaced; however, the replacement part was no longer being manufactured. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 169,000.
Car been smelling like gas for awhile engine light pop on and off. My car will not start I have replace the fuel pump car still won't get gas . Replaced battery numerous of times battery keep won't stay charge . I have a recall on my car I believe the suspension is under recall as well. I also had to replace my windshield wiper motor a few times slapped against my windshield and cracked windshield.
The contact owns a 2011 Buick LaCrosse. The contact received notification of NHTSA campaign number: 20V764000 (Suspension) however, the part to do the recall repair was unavailable. The contact took the vehicle to the local dealer and it was confirmed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.
The contact owns a 2011 Buick Lacrosse. The contact received a notification for NHTSA Campaign Number: 20V764000 (Suspension) however, the part to do the recall repair was not yet available. The dealer was made aware of the issue and confirmed that the part was not yet available. The manufacturer was made aware of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure. Vin tool confirms parts not available.
The contact owns a 2011 Buick LaCrosse. The contact received notification of NHTSA campaign number 20V764000 (Suspension) however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced the failure. Vin tool confirms parts not available.
The contact owns a 2011 Buick Lacrosse. The contact received notification of NHTSA campaign number: 20V764000 (Suspension) however, the part to do the recall repair was unavailable. The contact called the local dealer and was informed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not notified of the issue. The contact had not experienced a failure. Parts distribution disconnect.
The contact owns a 2011 Buick LaCrosse. The contact received notification of NHTSA Campaign Number: 20V764000 (Suspension) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue and confirmed that the part was not yet available. The contact had not experienced a failure. VIN tool confirms parts not available.
The contact owns a 2011 Buick Lacrosse. The contact received notification of NHTSA Campaign Number: 20V764000 (Suspension) however, the dealer informed the contact that the parts for the recall repair were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not notified of the issue. The contact had not experienced a failure. Parts distribution disconnect.
Related recalls
Suspension › Rear
General Motors, LLC (GM) is recalling certain 2010-2013 Buick Lacrosse, 2012-2013 Buick Regal, and 2013 Chevrolet Malibu vehicles sold or ever registered in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New…
Remedy: Dealers will replace the rear suspension toe links and adjuster fasteners, free of charge. Owner notification letters were mailed January 27, 2022.
Suspension › Rear
General Motors, LLC (GM) is recalling certain 2012-2013 Buick Regal, 2013 Chevrolet Malibu, and 2010-2013 Buick Lacrosse vehicles sold or ever registered in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New…
Remedy: GM will notify owners, and dealers will replace the rear suspension toe links and adjuster fasteners free of charge. Parts are not currently available.
Suspension complaints in other Lacrosse years
Frequently asked questions
How common are suspension problems on the 2011 Buick Lacrosse?
NHTSA has 27 complaints about the suspension of the 2011 Buick Lacrosse, 16% of the model year's 169 complaints. The component named most often is front (1 mentions).
Is there a recall for 2011 Buick Lacrosse suspension problems?
Yes — NHTSA recall 21V00F000 (rear, Dec 22, 2021); NHTSA recall 20V-764 (rear, Dec 21, 2020). Recall repairs are free at authorized dealers.
At what mileage do 2011 Buick Lacrosse suspension problems start?
Half of the complaints with a recorded mileage happened before about 76,000 miles, and 42% before 25,000 miles.
Is it dangerous?
Owners linked 3 crashes, 0 fires and 1 injury to suspension problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.