"How reliable is the 2021 Buick Encore Gx?"

"Based on 55 NHTSA complaints, the 2021 Buick Encore Gx has a median complaint mileage of 37750 miles. The most common issue is ENGINE."

"What are common problems with the 2021 Buick Encore Gx?"

"The most frequently reported component in NHTSA complaints for the 2021 Buick Encore Gx is ENGINE, accounting for a significant portion of the 55 total complaints filed."

2021 Buick Encore Gx: Reliability Data

Source: NHTSA — 55 complaints

Total Complaints

37,750mi

Median Mileage

ENGINE

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

15,375 25th Percentile

37,750 Median Mileage

57,250 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE

POWER TRAIN

SERVICE BRAKES

FUEL/PROPULSION SYSTEM

UNKNOWN OR OTHER

ELECTRICAL SYSTEM

EQUIPMENT

STEERING

ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER:INTERCOOLER

FORWARD COLLISION AVOIDANCE: DYNAMIC BRAKE SUPPORT/BRAKE ASSIST

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"The brake system failed upon pulling into a parking space. Had it happened a few, short moments before, there would have been a high probability of a crash. The vehicle was taken to Hardy Buick GMC Chevrolet. Upon reading the codes, I was told that the vehicle needs a new master cylinder. (It has o..."

"This week I leased a white buick encore gx fwd in the preferred model. After driving off the lot I noticed the brakes are very hard to press down and I canât stop the vehicle over short distances. This seems dangerous and my dealership says nothing is wrong with the car but I can tell something is..."

"The contact owns a 2021 Buick Encore GX. The contact had received notification of NHTSA Campaign Number: 21V440000 (Equipment) however, the part to do the recall repair was not available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dea..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28