2021 Buick Enclave Problems, Complaints & Recalls

Source: NHTSA · Updated Oct 1, 2026 · 26 owner complaints analyzed

Compared with other Enclave years
Far fewer complaints than other years 15th of 19 for complaints
NHTSA crash rating
5 out of 5 stars

Owners have filed 26 complaints with NHTSA about the 2021 Buick Enclave. That ranks 15th out of 19 Enclave model years for complaints. The most reported problem area is service brakes (7 complaints, 27%). There are 2 safety recalls covering this model year.

Buick Enclave
26 Buick Enclave Avenir - Shot at Earnhardt Buick GMC in Mesa 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 Enclave problems

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

Service Brakes7
Electrical System6 · ~62,188 mi
Unknown or Other4
Seat Belts3 · ~90,000 mi
Structure3
Engine2
Latches/locks/linkages2 · ~50,944 mi
Power Train2
Forward Collision Avoidance1
Fuel/propulsion System1
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Service Brakes727%———
Electrical System623%62,188——
Unknown or Other415%———
Seat Belts312%90,000——
Structure312%———
Engine28%———
Latches/locks/linkages28%50,944——
Power Train28%———
Forward Collision Avoidance14%———
Fuel/propulsion System14%———
Lane Departure14%———
Steering14%———

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

Complaints by year received

Peak: 2021, with 9 complaints
2021: 9202192022: 2202222024: 3202432025: 5202552026: 720267

n = 26 complaints · Source: NHTSA

2021 Buick Enclave recalls (2)

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

Air bags:side/window:curtainMar 31, 2022 · NHTSA campaign 22V210000 · 89 vehicles

Problem: General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Traverse and 2021-2022 Buick Enclave vehicles. The harness connector to the left or right side roof rail air bag may have incompatible electrical terminals, which could prevent the air bags from deploying in a crash.

Risk: Roof rail air bags that do not deploy as intended increase the risk of injury in a crash.

Fix: Dealers will replace the harness connector to the roof rail air bags, free of charge. Owner notification letters were mailed on April 29, 2022. 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 N212352140.

Air bags:sensor:frontal impactJun 24, 2021 · NHTSA campaign 21V472000 · 6 vehicles

Problem: General Motors, LLC (GM) is recalling certain 2021 Chevrolet Traverse and Buick Enclave vehicles. During service by dealers, certain vehicles may have received incorrect air bag calibration software that may affect frontal airbag deployment.

Risk: Air bags that do not deploy as intended can increase the risk of injury.

Fix: Dealers will update the air bag calibration software, free of charge. Owner notification letters were mailed on July 29, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020 and Buick customer service at 1-800-521-7300. GM's number for this recall is N212340220.

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.

Eboost intermittent. Loss of brakes.

Service Brakes · received Oct 1, 2026 · NHTSA complaint 11768213

The contact owns a 2021 Buick Enclave. The contact stated that while driving at an undisclosed speed with the contact and her daughter inside the vehicle, her daughter's seat belt became extremely tight. The seat belt failed to unlatch, forcing the contact to cut the seat belt to remove her…

Seat Belts · received Jul 28, 2026 · NHTSA complaint 11753269

The muffler and tail pipe has fallen off 6 times and ive had to get repaired. I believe it is due to the bad torque converter that others have complained about and goggle says that is a likely failure on the buick.

Power Train · received Jun 17, 2026 · NHTSA complaint 11744657

The liftgate of my vehicle began opening on it's own at no apparent interval, but now occurs frequently while waiting for a repair part to come in. This has happened while parked - including in public parking lots (where someone malicious could have entered the vehicle and the closed the liftgate…

Structure · received Jun 15, 2026 · NHTSA complaint 11744102

Passenger side seatbelt latch gets stuck so when trying to buckle it doesn’t go in, you have to try multiple times. Get a notification on dashboard every once in a while saying seatbelt or airbag issue contact dealer. Warning light (air bag and seatbelt system) lights up. My safety is put at risk…

Seat Belts · received Jun 10, 2026 · NHTSA complaint 11743361

Other Buick Enclave years

← 2020 Enclave · 2022 Enclave →

See all Buick Enclave 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 Enclave?

Owners most often report service brakes, electrical system, unknown or other problems. The top one, service brakes, accounts for 7 complaints.

Was there a recall on the 2021 Buick Enclave?

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

Was the 2021 Buick Enclave a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Enclave model years, the 2021 has far fewer 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.