Which parts fail
Components named in complaints (engine, cooling system, oil leaks, timing chain, exhaust).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2019 Buick Encore owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2019 Buick Encore. The contact stated that while driving at various speeds, the vehicle hesitated upon depressing the accelerator pedal. Additionally, the vehicle hesitated to start after multiple attempts. The vehicle was taken to the independent mechanic where it was purchased, and the mechanic replaced the oxygen sensor. Despite the repair, the failure recurred intermittently. The contact stated that the check engine warning light illuminated, and the vehicle was taken to a second independent mechanic. Diagnostic trouble codes retrieved via an OBD-II scanner indicated catalytic converter issues; however, the mechanic determined the failure was related to the flex plate. The contact was referred to a dealer, where the contact was informed that the repair was not covered under warranty. The manufacturer was notified of the failure and assigned a case number. …
The contact owns a 2019 Buick Encore. The contact stated while driving at an undisclosed speed, the engine overheated with the check engine warning light illuminated. The vehicle was able to restart; however, the failure recurred. The vehicle was taken to the dealer and was diagnosed with fuel pump and thermostat failure. The contact was informed that the fuel pump and thermostat needed to be replaced. The vehicle was repaired. The contact stated that the failure had recurred. The contact stated while driving at an undisclosed, the vehicle lost motive power with no warning light illuminated. The vehicle was towed to the dealer. The vehicle was not diagnosed or repaired. The manufacturer was made not aware of the failure. The failure mileage was approximately 60,000.
The contact owns a 2019 Buick Encore. The contact stated while driving 65 MPH on the highway, the vehicle started to lose motive power, started jerking back and forth, and there was white smoke coming from the tailpipe. The contact attempted to depress the accelerator pedal; however, the vehicle failed to respond as needed. The check engine warning light was illuminated. The contact merged to the side of the road before driving to the residence. The vehicle was driven to an independent mechanic where it was diagnosed with turbocharger failure. The local dealer was contacted; however, the vehicle was not repaired. The manufacturer was made aware of the failure and referred to the NHTSA Hotline. The failure mileage was approximately 123,000.
The contact owns a 2019 Buick Encore. The contact stated that while attempting to accelerate from a stoplight, the engine revved up before accelerating. While the vehicle was accelerating, the check engine warning light illuminated. The vehicle was taken to a certified mechanic, who diagnosed that the wastegate for the turbocharger was stuck, causing the turbocharger to fail. The contact was informed that the turbocharger needed to be replaced. The vehicle was not repaired. The contact became aware of a TSB for 2017-2018 Buick Encore vehicles under TSB Number: N232395330; but the 2019 Buick Encore was not included. The manufacturer was not informed of the failure. The failure mileage was 68,000. The VIN was not available.
The contact owns a 2019 Buick Encore. The contact stated that while her daughter was driving approximately 55 MPH, the vehicle was shaking and jerking abnormally. The contact stated her daughter reported there were several unknown warning lights illuminated on the instrument cluster. The driver exited the highway and pulled over and turned off the vehicle. The contact had the vehicle towed to a dealer. The dealer diagnosed the vehicle and determined that there was coolant intrusion into the cylinders, and the engine needed to be disassembled. The vehicle was not repaired. The manufacturer was informed of the failure. The failure mileage was approximately 103,000.
The contact owns a 2019 Buick Encore. The contact stated that the flex pipe was cracked, causing the contact to become ill from the fumes. The contact stated that there was an abnormal odor occasionally coming from the engine. No warning light was illuminated. The contact expressed concerns about the safety of driving the vehicle with the fumes entering the vehicle from the flex pipe. The vehicle was taken to an independent mechanic to be diagnosed, and the contact was informed that the flex pipe was cracked in half and needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was 60,000.
The contact owns a 2019 Buick Encore. While driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to a private mechanic, who diagnosed the vehicle with a blown turbo charger caused by low oil pressure. The contact stated that the turbo charger was previously replaced due to the same failure. The contact stated there was a recall for the for 2017-2018 Buick Encore for the same issue; however, the 2019 model year was not included. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 63,500.
The contact owns a 2019 Buick Encore. The contact stated that while driving at various speeds, the check engine warning light remained illuminated, with the odor of burning oil inside the cabin of the vehicle, before the vehicle stalled. The vehicle was taken to a dealer who diagnosed the vehicle and determined that the valve cover, intake manifold, and oxygen sensors were faulty and needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 63,360
At approximately 1130am, pulling into parking space in a parking lot at very low speed, 50% of vehicle was in the parking space, when suddenly the car accelerated forward. This resulted in my vehicle jumping over a safety curb and crashing into a building resulting in damage to my vehicle.
On January 25th 2025 I paid approximately $3,383 for a turbocharger repair on my 2019 Buick Encore. This included a turbocharger oil return tube, turbocharger oil supply and re, intercooler, int. man. & vAL. COV. Kit, R&R inter cooler, R&R turbocharger, R&R intake manifold, and turbocharger assembly. Since that time, the same problem has recurred and I have returned the vehicle to the same location on four separate occasions without resolution. It is currently available for inspection. August 11th, 2025: Vehicle stalled in the middle of an intersection as I attempted to accelerate from a stop sign, placing me in immediate danger of collision. I have had the check engine code read by another independent service center. …
Engine complaints in other Encore years
Frequently asked questions
How common are engine problems on the 2019 Buick Encore?
NHTSA has 40 complaints about the engine & cooling of the 2019 Buick Encore, 45% of the model year's 88 complaints. The component named most often is engine › gasoline › turbo/supercharger (2 mentions).
Is there a recall for 2019 Buick Encore engine problems?
No. NHTSA lists no engine & cooling recall for the 2019 Buick Encore, though it has 2 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2019 Buick Encore engine problems start?
Half of the complaints with a recorded mileage happened before about 60,000 miles, and 33% before 25,000 miles.
Is it dangerous?
Owners linked 3 crashes, 1 fire and 4 injuries and 1 death to engine & cooling 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.