2021 Buick Encore GXProblems, recalls & complaints

NHTSA has logged 55 owner complaints about the 2021 Buick Encore GX, most often about the engine. It is covered by 2 safety recalls, and for recall 21V-440 the manufacturer reports only 94% of affected cars repaired.

2021 Buick Encore GX

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through November 8, 2026. Updated daily. Photo: Mr.choppers, CC BY-SA 3.0.

Complaints by system

Where the 2021 Buick Encore GX has problems

55 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Engine150
Power train120
Service brakes71
Fuel/propulsion system70
Electrical system50
Engine and engine cooling40
Forward collision avoidance30
Vehicle speed control30
Lane departure30
9 other systems103

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

2 recalls

2021 Buick Encore GX recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

94%repaired · 2023 Q3

Accessory scissor/screw/bottle jack/lift: stand

Recall 21V-440 · Jun 10, 2021 · 135,400 vehicles · 126,601 repaired

Risk. A fractured jack can cause the vehicle to collapse, increasing the risk of injury.

Problem, fix and repair progress →

94%repaired · 2022 Q4

Service brakes

Recall 20V-588 · Sep 24, 2020 · 3,677 vehicles · 3,449 repaired

Risk. If communication with the sensor is interrupted, the electronic brake boost assist could be lost.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Buick.

Best & worst years

2021 vs. every other Encore GX year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Encore GX median. How we score

'20'21'22'23'24'25'26
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
NHTSA crash tests

2021 Buick Encore GX safety ratings

2021 Buick Encore GX SUV AWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

★★★★★Overall rating
  • Rollover: 4 stars (17.9% risk)
  • Stability control: Standard
  • Forward collision warning: Standard
  • Lane departure warning: Standard
In owners' words

What Encore GX owners report

Recent engine complaints filed with NHTSA, shortened. Personal details are removed.

While driving check engine suddenly illuminated following by a "warning reduced engine power" message. Car began driving sluggish and driving over 35mph caused serious trembling. After multiple diagnosis with several engine codes pointing to issues with ECM, and mass air flow sensor, and the wiring…
Complaint 11749150 · Jul 8, 2026
The 1.3L turbo caused metal fragments to get into my engine which in return caused the transmission to fail. My 2021 Buick encore gx has been in the shop since early February 2026 at Garber Buick in Fort Pierce Florida. The first diagnosis was solenoids needed to be replaced, after the solenoids…
Complaint 11735353 · May 3, 2026
Turbocharger is defective. Reduced engine power. Engine Power reduced shows up on my dashboard. I bought the car brand new at Lindsey Buick in Ohio. This car is too young for this problem. Lindsey Buick and GM need to stand up to accountability and transparency when it comes to delivering top…
Complaint 11733173 · Apr 23, 2026

Own a 2021 Encore GX?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.