Problems · NHTSA complaints

2019 Buick Regal problems

Owners filed 20 complaints about the 2019 Buick Regal with NHTSA between Sep 2018 and Oct 2026. The most-cited component is electrical system (7).

Complaints
20
Filed with NHTSA
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Electrical system7
  2. Power train6
  3. Engine3
  4. Service brakes, hydraulic2
  5. Suspension2
  6. Seats2
  7. Service brakes2
  8. Visibility1
  9. Tires1
  10. Fuel/propulsion system1
  11. Equipment1
  12. Wheels1
  13. Structure1
  14. Other / unknown2

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Nov 10, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20181
20190
20202
20213
20222
20232
20243
20255
20262

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Electrical system

7 reports
“The contact owns a 2019 Buick Regal. The contact stated that while driving 20 MPH, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The traction and check engine warning lights were illuminated. The failure had occurred while the grandchildren were inside the vehicle. The contact stated that the warning lights illuminated and then turned off. The failure occurred after it had rained, and while going through the car wash. The contact stated that water entered through the windshield into the electrical box. The dealer was contacted by phone and made aware of the failure. The vehicle was taken to the dealer; however, the failure was not duplicated. The failure mileage was approximately 30,000.”
Owner complaint to NHTSAFiled Sep 10, 2026Electrical system, VisibilityODI 11763352

Power train

6 reports
“Dear NHTSA, I am submitting a formal complaint regarding a 2019 Buick Regal, which I purchased as a used vehicle in 2023 with approximately 19,000 miles. Since owning the car, I have added only 14,000 miles, yet I have experienced multiple significant and ongoing issues that raise serious concerns about the safety, reliability, and warranty service associated with this vehicle. Vehicle Problems: Suspension Issues: Shortly after purchase, the car has had persistent suspension problems, which negatively affect stability and ride quality. The dealership has replaced multiple suspension components, but the issue continues and remains unresolved. General Motors (GM) initially agreed to cover these repairs even if my warranty expired and also stated I would qualify for a vehicle buyback. They have now backtracked and are refusing to honor that commitment, despite the ongoing unresolved safety issue Electrical and Transmission Malfunctions: I have reported intermittent electrical and transmission issues to the dealer. These include erratic shifting, hesitation, and occasional system malfunctions. Each time, I have been told they cannot replicate the problems, so no…”
Owner complaint to NHTSAFiled Jun 9, 2025Suspension, Power train, Electrical systemODI 11665701

Engine

3 reports
“PCV system failed causing excess pressure to blow out the rear main seal and crankcase seal resulting in an oil leak. No lights and no codes were on the dashboard. The only symptom was a high pitched squealing sound during very cold weather. The problem has been reproduced by the dealer. The problem first appeared the first winter owning the vehicle.”
Owner complaint to NHTSAFiled Feb 13, 2025Power train, EngineODI 11642534

Service brakes, hydraulic

2 reports2 related recalls
“The contact owns a 2019 Buick Regal. The contact stated that while driving 45 MPH, the brake pedal was depressed and went to the floorboard before becoming very firm. The vehicle was taken to a dealer where it was diagnosed, and the contact was advised that the power brake assist had failed and the power brake booster needed to be replaced. The vehicle was repaired. The contact associated the failure with NHTSA Campaign Number: 22V465000 (SERVICE BRAKES, HYDRAULIC). The failure mileage was 130,000.”
Owner complaint to NHTSAFiled Oct 20, 2026Service brakes, hydraulicODI 11772453

Suspension

2 reports
“My car has had suspension issues for 2 years and I have repeatedly taken the car to the dealership.”
Owner complaint to NHTSAFiled Jun 6, 2025Suspension, Power train, Electrical systemODI 11665342

Seats

2 reports
“When I was braking at an intersection, the driver's seat broke and slide all the way forward causing me to jam the brake all the way, then the recoil sent the seat flying all the back. After the orignal pop where something broke, the seat freely slides all the way forward and back.”
Owner complaint to NHTSAFiled Jul 17, 2024SeatsODI 11602867
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.