This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
full bulletin at NHTSA ↗2024 Buick Encore GX powertrain problems
moderate Owners of the 2024 Buick Encore GX have filed 3 NHTSA complaints about the powertrain at roughly $2,500 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →
Complaints
3
Recalls
0
Avg fix
$2,500
| Model year | powertrain complaints |
|---|---|
| 2020 Encore GX | 16 |
| 2021 Encore GX | 10 |
| 2022 Encore GX | 12 |
| 2023 Encore GX | 3 |
| 2024 Encore GX (this page) | 3 |
| 2025 Encore GX | 3 |
When does it fail?
Of the 3 powertrain complaints filed for the 2024 Buick Encore GX, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Owners are still filing on this — the most recent NHTSA powertrain complaint for this vehicle was logged 14 days ago.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This Preliminary information communicates diagnostic aids for a surge or fishbite concern
full bulletin at NHTSA ↗This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
full bulletin at NHTSA ↗This service bulletin provides a repair procedure to correct a customer concern of start/stop inoperative, MIL illuminated w/DTC P2797.
full bulletin at NHTSA ↗This service bulletin provides repair information to correct a customer concern of a transmission fluid leak.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 3 most recent
When driving on the freeway 60 mph, the car jerked and locked up, no warning lights, speedometer was rising and dropping rapidly, car slowly dropped speed. Had to pull on the side of the road, when car was put to parked, neutral, or drive it went backwards until it wasn’t able to move at all. Car was towed to the GM Chevrolet in my area where it was fixed previously for transmission module…
The contact owns a 2024 Buick Encore GX. The contact stated that while driving approximately 60-65 MPH on the interstate, the vehicle was shuddering abnormally while accelerating, and the transmission failed to properly shift into gear. The contact was concerned about safety while driving the vehicle at highway speeds. There were no warning lights illuminated, or messages displayed prior to the…
The contact owns a 2024 Buick Encore GX. The contact stated that upon shifting the vehicle into drive, the vehicle failed to move, prompting the contact to turn off the vehicle; however, the vehicle failed to immediately restart. After several attempts, the vehicle was able to start. Later, the contact stated that while driving at an undisclosed speed, the vehicle briefly began to decelerate…
Had powertrain trouble with your 2024 Buick Encore GX?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2024 Buick Encore GX?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Based on the 3 complaints filed, powertrain issues most often appear around 19,350 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2024/Buick/Encore GX.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.