Vehicle Data Hub

2021 Buick Encore GX problems

The 2021 Buick Encore GX has 71 complaints on file with NHTSA. The largest share (27%) concerns engine. Next are drivetrain & axles (15%) and brakes (11%).

At a glance

Complaints
71 filed with NHTSA
Most reported
Engine 27% of complaints
Crashes and fires
3 and 0
Injuries and deaths
5 and 0
Typical mileage
44,000 miles 18 complaints with mileage

Source: NHTSA owner complaints

Where the complaints are

Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.

  • Engine 27%
  • Drivetrain & axles 15%
  • Brakes 11%
  • Fuel system 10%
  • Electrical system 6%
  • Lane departure 4%
  • Cruise control 3%
  • Forward collision avoidance 3%
  • Air bags 1%
  • Backover prevention 1%

When problems show up

Complaints by mileage, 2021 Buick Encore GX Complaints by odometer reading in 20,000-mile steps. The median is about 44,000 miles. 0k to 20k miles: 6 complaints 20k to 40k miles: 2 complaints 40k to 60k miles: 5 complaints 60k to 80k miles: 3 complaints 80k to 100k miles: 2 complaints 100k to 120k miles: 0 complaints 120k to 140k miles: 0 complaints 140k to 160k miles: 0 complaints 160k to 180k miles: 0 complaints 180k to 200k miles: 0 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 44,000 miles
Based on 18 complaints that include mileage. 72% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles6
20k to 40k miles2
40k to 60k miles5
60k to 80k miles3
80k to 100k miles2
100k to 120k miles0
120k to 140k miles0
140k to 160k miles0
160k to 180k miles0
180k to 200k miles0
200k+ miles0

What the data shows

Of the 18 complaints that include odometer readings, half describe a problem before roughly 44,000 miles.

Safety-related details: 3 complaints mention a crash; 5 injuries reported.

Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2021 ranks 2nd most-complained-about out of 6 model years of the Buick Encore GX with enough data (71 complaints in that window). It is also covered by 2 safety recall campaigns.

What owners wrote

A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.

The contact rented a 2021 Buick Encore GX. The contact stated while idled at a stop light, another vehicle driving at approximately 45-50 MPH crashed into the rear of their vehicle. The air bags failed to deploy. The contact sustained bruises and thigh injuries. The front passenger sustained a chest rash from when the seat belt retracted. There was a 9-year-old occupant seated at the rear however the seat belt failed to retract causing her to jolt forward almost to the front driver’s side seat.

March 2022 CrashInjury

The contact's girlfriend owned a 2021 Buick Encore. The contact stated that while his girlfriend was driving at 20 MPH, an abnormal, snapping sound emitted from the vehicle as the steering wheel independently shifted to the right and crashed into two parked vehicles. The contact stated that the suspension warning light appeared on the instrument panel after the failure and later discovered that the vehicle's suspension had detached. The air bags did not deploy upon impact.

Reported at 76,000 miles, November 2024 CrashInjury

The contact owns a 2021 Buick Encore GX. The contact stated while driving at approximately 35 MPH, the brake pedal was lightly depressed and the vehicle unintentionally came to an instant stop; the vehicle then began to shudder. The contact's mom was seated in the front passenger side of the vehicle and sustained a neck injury after the failure occurred. There was no one injured that was not in the vehicle. No medical attention was required.

Reported at 2,500 miles, January 2022 Injury

The contact owns a 2021 Buick Encore GX. The contact stated that during a routine oil change at the local dealer, the contact informed the dealer that while in the park or shifting to park, the engine was shutting off unexpectedly. The message to “Shift to Park” was displayed and the vehicle was difficult to turn off. The contact wiggled the ignition to shut off the vehicle. There were no warning lights illuminated. The failure persisted over time. The contact was concerned about being stranded due to the failure.

Reported at 17,500 miles, December 2025

Other model years of the Encore GX

Best and worst years for the Buick Encore GX