2021 Buick Encore GX Problems, Complaints & Recalls

Source: NHTSA · Updated Sep 18, 2026 · 53 owner complaints analyzed

Compared with other Encore GX years
More complaints than other years 2nd of 7 for complaints
NHTSA crash rating
5 out of 5 stars

Owners have filed 53 complaints with NHTSA about the 2021 Buick Encore GX. That ranks 2nd out of 7 Encore GX model years for complaints. The most reported problem area is engine (15 complaints, 28%), typically at around 9,000 miles. Complaints mention 2 crashes, 4 injuries. There are 2 safety recalls covering this model year.

Buick Encore GX
25 Buick Encore GX Sport Touring - Shot at Earnhardt San Tan Hyundai in Gilbert AZ. Representative photo; appearance varies by model year. Photo: HJUdall, CC0, via Wikimedia Commons.

Complaints are unverified owner reports and are not adjusted for sales volume.

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Most common 2021 Buick Encore GX problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Engine15 · ~9,000 mi
Power Train11 · ~57,500 mi
Fuel/propulsion System7
Service Brakes7 · ~4,466 mi
Unknown or Other6
Electrical System4 · ~17,500 mi
Engine and Engine Cooling4 · ~44,000 mi
Equipment2
Forward Collision Avoidance2 · ~6,431 mi
Lane Departure2 · ~22,000 mi
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Engine1528%9,000——
Power Train1121%57,500——
Fuel/propulsion System713%———
Service Brakes713%4,466——
Unknown or Other611%———
Electrical System48%17,500——
Engine and Engine Cooling48%44,000——
Equipment24%———
Forward Collision Avoidance24%6,431——
Lane Departure24%22,000——
Vehicle Speed Control24%———
Air Bags12%76,000——
Back Over Prevention12%87,402——
Seat Belts12%———
Seats12%———
Service Brakes, Hydraulic12%81,000——
Steering12%———
Suspension12%76,000——
Visibility/wiper12%———

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2026, with 16 complaints
2021: 6202162022: 4202242023: 2202322024: 112024112025: 142025142026: 16202616

n = 53 complaints · Source: NHTSA

2021 Buick Encore GX recalls (2)

Tap a recall to see the problem, the risk and the fix.

Equipment:mechanical:accessory scissor/screw/bottle jack/lift:standJun 10, 2021 · NHTSA campaign 21V440000 · 135,400 vehicles

Problem: General Motors, LLC. (GM) is recalling certain 2020-2022 Buick Encore GX and 2021-2022 Chevrolet Trailblazer vehicles. The emergency jack, if not positioned as directed in the vehicle owner's manual, can fracture while in use.

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

Fix: Dealers will replace the jack, free of charge. Interim owner notification letters informing owner of the safety risk are expected to be mailed July 26, 2021. A second notice will be mailed once remedy parts become available. Owners may contact Buick customer service at 1-800-521-7300 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is A212335470.

Service brakesSep 24, 2020 · NHTSA campaign 20V588000 · 3,677 vehicles

Problem: General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system.

Risk: If communication with the sensor is interrupted, the electronic brake boost assist could be lost. Extra pedal force will be required to slow and stop the vehicle, increasing the risk of a crash.

Fix: GM will notify owners, and dealers will replace the electronic brake boost module, free of charge. The recall began December 9, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is A202307260.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

The contact owns a 2021 Buick Encore. The contact stated that after starting the vehicle, the radio display screen was blank. While reversing, the rear-view camera briefly displayed an image before going blank. The manufacturer was made aware of the failure by phone. The failure mileage was…

Back Over Prevention · received Sep 18, 2026 · NHTSA complaint 11765233

Vehicle does not recognize it is in Park even when the shifter is placed in that position. As a result, the vehicle cannot be turned off. GM has issued a technical service bulletin for this issue, but has not yet performed a recall.

Power Train · received Aug 30, 2026 · NHTSA complaint 11760794

The Frontview camera or its software is the issue. It allows the car to drift outside of the lane on both sides of the car before warning and or pulling you back over but then it just pulls you to the other line and lets you cross it back and forth if you let it and every time crossing the line…

Forward Collision Avoidance · received Aug 29, 2026 · NHTSA complaint 11760679

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…

Electrical System · received Jul 8, 2026 · NHTSA complaint 11749150

The contact owns a 2021 Buick Encore GX. The contact stated that while driving at an undisclosed speed, the brake pedal was firm while depressed, with several unknown warning lights illuminated. The vehicle was taken to an independent mechanic, and several unknown diagnostic trouble codes were…

Service Brakes, Hydraulic · received Jun 29, 2026 · NHTSA complaint 11747114

Other Buick Encore GX years

← 2020 Encore GX · 2022 Encore GX →

See all Buick Encore GX problems by year, every Buick model, or the Buick VIN decoder.

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Frequently asked questions

What are the most common problems with the 2021 Buick Encore GX?

Owners most often report engine, power train, fuel/propulsion system problems. The top one, engine, accounts for 15 complaints.

Was there a recall on the 2021 Buick Encore GX?

Yes, 2 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2021 Buick Encore GX a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Encore GX model years, the 2021 has more complaints than most years, and NHTSA rates it 5 out of 5 stars overall in crash tests. Always get a pre-purchase inspection and check the VIN for open recalls.