2023 Buick Encore GX Complaints

STRUCTURE — Filed 04/28/2026

Three nuts snapped, which secure the front muffler to the length of the exhaust system. The engine side of the exhaust pipe became disconnected and dragged along road, which occurred while driving the vehicle on a residential road. Steering was not impacted, however the pipe would have eventually come completely free, without driving directly to an auto-body repair shop.

FUEL/PROPULSION SYSTEM — Filed 02/09/2026

the evaporative emissions purge pump or an ECM calibration fault code P0521

ELECTRICAL SYSTEM,SERVICE BRAKES,ENGINE — Filed 02/12/2026

I am reporting a serious safety issue with my 2023 Buick Encore GX that repeatedly shuts off while driving and doesn’t restart when auto stop is on, it leaves me stranded in traffic. The vehicle has been in the shop multiple times since February 13, and the issue has not been resolved. A service advisor has stated he is not comfortable putting me back in the vehicle and wants to help get me out of this car. I am requesting escalation, a case number, and immediate resolution. After having the oil changed in February, the check engine light came on soon after. Car had left me stranded prior to the battery being replaced. After 4 times in the same shop, they say a bad ground connection may now be the problem, however they also said they recharged the battery the visit prior.

UNKNOWN OR OTHER — Filed 02/02/2026

Purge pump failure occurred at 15000 miles , no lights were active on dash prior. now have a persistent check engine light .

STEERING — Filed 01/08/2026

The contact owns a 2023 Buick Encore GX. The contact stated that while driving on several occasions at various speeds, the vehicle bounced to the left and the right, and the steering wheel pulled to the left or the right, making it difficult to steer the vehicle. The vehicle was not diagnosed or repaired; however, after a test drive, the dealer informed the contact that the vehicle operated as intended. The manufacturer was not notified of the failure. The failure mileage was approximately 13,978.

POWER TRAIN — Filed 01/02/2026

When starting from a traffic light after the green light, the car made mechanical noises and would not accelerate above approximately 25 mph. It seemed obvious at the time that the transmission had failed, which was later confirmed after being towed to the dealership. There were no warning lamps or messages displayed; however, during the previous days, there were a few instances when the transmission "shifted" hard (this seemed odd considering it is a CVT transmission).

UNKNOWN OR OTHER — Filed 01/02/2026

Component: Federal Safety Certification Label (49 CFR Part 567). Available for inspection. Summary: Vehicle was manufactured and sold brand new without the mandatory Federal Safety Certification Label. The omission was discovered during a professional trade-in inspection when the representative showed me where the label was supposed to be, but was missing from the car. The vehicle is currently non-compliant with federal safety standards, rendering it unmarketable. Confirmation: The manufacturing omission was confirmed by a review of historical authorized dealership service records. Photographs taken of the door jamb during routine service prove the label was never present. Symptoms/Warnings: There were no warning lamps or symptoms. I was never informed of this non-compliance by the manufacturer or authorized service centers during routine maintenance. Manufacturer Response: The manufacturer was contacted immediately via phone, email, customer service chat, and in-person to rectify the omission. However, the manufacturer failed to provide a resolution within the window of a time-sensitive trade-in valuation and tax credit package, causing the offer to expire. In subsequent communications, the manufacturer refused to remedy the non-compliance without charge, demanding payment for the label and labor in violation of 49 U.S.C. § 30120. The vehicle remains unmarketable and unused.

POWER TRAIN — Filed 11/11/2025

The shifter assembly failed. When shifting to Park, a "Shift to Park" message appears on the driver information center. Although the shift lever is in the Park position, it is not recognized, and the car cannot be turned off or locked. The selling dealership inspected and confirmed the failure, which first appeared at about 21,000 miles (2023 model). The solution was to replace the shifter assembly (car is out of warranty by less than one month), at a cost of $562.10. Invoice breakdown: 1) Labor = 350.00, 2) Parts = 169.50, 3) Sales Tax = 42.60 It is interesting to note that the Labor rate of 350.00 is almost certainly a "flat rate", as the time to complete the repair was only about 30 minutes.

ENGINE — Filed 06/17/2023

The engine reduces power light came on almost two months ago I toke it to family gmc in St. George in sc. They put is on a machine and said they said the I think turbo compassion for the air to the gas is bad. I am still waiting on them to receive a part to fix it. So I was wondering if anybody else had this problem with the 2023 buick encore gx

SEAT BELTS,UNKNOWN OR OTHER — Filed 03/27/2025

No accident just a concern. On my Buick the clasp for the front set belts are buried between the seat and center console. Making the fastening and unfasting very difficult. The further the seat is forward the more difficult it is. I guess my concern is this over sight may hamper the use of them or possibly cause entrapment during a stressful situation. Thankyou, [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)