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2021 Buick Enclave problems: what to check before you buy

NHTSA lists 2 recall campaigns for the 2021 Buick Enclave, the newest filed in 2022, and owners have filed 25 complaints, with the electrical system (6) and the brakes (6) named most often. Before you buy one, run its VIN through NHTSA's free recall lookup; the $14.99 original ClearVIN PDF shows title brands, odometer readings, accident and auction records on file.

By VIN Lookup Research DeskPublished 2026-08-27Updated NHTSA data 2026-09-15
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Direct answer

NHTSA lists 2 safety recalls for the 2021 Buick Enclave, alongside 25 owner complaints filed with the agency. Eligible recall remedies are generally free through the manufacturer's approved repair process, even after the warranty ends; some software remedies are delivered remotely. Federal no-charge coverage has an age limit for vehicles first sold more than 15 years before the recall notice; manufacturers may cover older vehicles voluntarily. Check the specific VIN — a previous owner may already have had the work done.

Half of the 1,449 NHTSA owner complaints on the Buick Enclave that list mileage came after 69,000 miles (NHTSA complaints file of November 11, 2026). How many miles will a Buick Enclave last? →

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What to check before buying a used 2021 Enclave

Model-year data describes the production run, not the car in front of you: two cars of this model year can differ entirely, one with every recall repaired and the other with none. The counts below are from NHTSA data collected on 2026-09-15.

  1. Verify the 2 recall campaigns by VINCopy the 17-character VIN from the windshield or driver-door label, not from the listing, and run it through NHTSA's free recall lookup. It shows unrepaired recalls within its coverage and does not show completed repairs, so ask the seller for dated repair paperwork. The campaigns cover the airbags. The newest, 22V210000, was filed in 2022.
  2. Test-drive for what Enclave owners report most6 of the 25 owner complaints filed with NHTSA name the electrical system: on the drive, try every light, window, lock, screen and power outlet, and watch for warning lights or a slow start. Another 6 name the brakes: brake firmly from speed: the pedal should stay firm, the car should stop straight and the ABS light should stay off. Complaints are unverified owner reports, not proven defects, but they show where to look.
  3. Check the title and odometer in the history reportRecall and complaint data describe the 2021 production run, not this car's past. The VIN decode here is free; the $14.99 original ClearVIN PDF lists title brands, odometer readings, accident and auction records on file for that VIN. Records vary by vehicle, and a missing record does not prove nothing happened.
  4. Book an independent pre-purchase inspectionHave a mechanic you choose inspect this Enclave before you buy, and ask them to look hardest at the electrical system and the brakes.

Is the 2021 Enclave a good car to buy used?

NHTSA's records cannot rate one used 2021 Buick Enclave; they can show how this model year compares with the other Enclave years in this site's 2015–2022 NHTSA collection. The 2021 has 25 owner complaints on file; of the eight Enclave model years in this site's 2015–2022 NHTSA collection (2015–2022), six drew more and one drew fewer. That count is too thin to read as a quiet year rather than a gap in NHTSA's records. The 2017 stands out instead, at 179. Its 2 recall campaigns compare with 0 to 6 across the Enclave years in the 2015–2022 collection; the 2020 has the most. These counts track how many were sold and how long they have been on the road, so they rank years within the Enclave, not build quality; whether one 2021 Enclave is a good buy depends on its own history and condition.

Which 2015–2022 Enclave years have the most complaints?

Among the eight Enclave model years in this site's 2015–2022 NHTSA collection, the 2017 has the most owner complaints, 179. The 2021 has 25. Older and better-selling years have had more time and more owners to file reports.

Enclave model years in our 2015–2022 collection (not NHTSA's full record), NHTSA data collected 2026-09-15
Model yearOwner complaintsRecall campaigns
20151715
20161414
20171793
2018640
2019421
2020566
2021 (this page)252
2022131

Buick Enclave years to avoid: every year compared →

2021 Buick Enclave recalls and reported problems at a glance

2NHTSA safety recallsCampaigns covering this model year
25Owner complaintsFiled with NHTSA, unverified

What owners report most

These are the vehicle systems named most often in complaints owners filed with NHTSA about the 2021 Buick Enclave. A complaint is an unverified owner report: it does not establish a defect, and a high count can simply reflect a popular model. Use it to decide where an inspection should look hardest.

Most-reported systems, 2021 Buick Enclave (NHTSA complaints)
Vehicle systemComplaints
Electrical System6
Service Brakes6
Unknown Or Other4
Seat Belts3
Structure3
Engine2

Recall campaigns for the 2021 Buick Enclave

Each campaign below is an official NHTSA record. An eligible remedy is generally free through the manufacturer’s approved process, which may be an authorized service visit or remote software update. Federal no-charge coverage has a 15-year first-sale limit measured at the recall notice; manufacturers may cover older vehicles voluntarily. A campaign covers a production range. Check the VIN for open recalls within NHTSA’s coverage; confirm applicability and completed repairs with the manufacturer or an authorized dealer.

NHTSA recall campaigns recorded for the 2021 Buick Enclave
CampaignComponentIssue
22V210000AIR BAGS:SIDE/WINDOW:CURTAINGeneral 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.
21V472000AIR BAGS:SENSOR:FRONTAL IMPACTGeneral 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.

What this data cannot tell you

  • A complete recall or repair history for one vehicle. NHTSA’s VIN lookup covers unrepaired recalls within its scope; confirm missing campaigns and completed work with the manufacturer or an authorized dealer.
  • Whether a complaint is accurate. NHTSA publishes owner reports without verifying them.
  • How reliable the model is overall: complaint volume tracks how many vehicles were sold as much as how they hold up.
  • Anything about title brands, accident history, odometer records, or liens on an individual vehicle.
Evidence

Primary sources behind this page

Open the underlying public source and verify that its scope matches the question you are asking.

  1. Recalls Lookup by VINNational Highway Traffic Safety Administration
  2. Vehicle recall remedy age limitNational Highway Traffic Safety Administration
  3. NHTSA recall and complaint datasets: scope and API documentationNational Highway Traffic Safety Administration
  4. Vehicle Product Information Catalog (vPIC)National Highway Traffic Safety Administration
  5. NHTSA recall campaign 22V210000National Highway Traffic Safety Administration
  6. NHTSA recall campaign 21V472000National Highway Traffic Safety Administration
  7. Approved NMVTIS Data Providers — checked October 26, 2026U.S. Department of Justice, Bureau of Justice Assistance

The 2026-09-15 data collection queried these NHTSA model names for 2021 Buick: ENCLAVE. Records appearing under more than one name are counted once. The documentation explains the collection endpoints; a campaign link opens its official record across all affected vehicles, not the recall status of a specific VIN.

Quick answers

2021 Buick Enclave questions

What should I check before buying a used 2021 Buick Enclave?

Check the 2 NHTSA recall campaigns against the car's VIN with NHTSA's free lookup and ask for dated repair paperwork. Owners name the electrical system and the brakes most often in 25 complaints; those are unverified reports, not proven defects, but they show what to test on the drive. Recall data says nothing about this car's past: the $14.99 original ClearVIN PDF lists title brands, odometer readings, accident and auction records on file for the VIN. Finish with an independent pre-purchase inspection.

How many recalls does the 2021 Buick Enclave have?

NHTSA lists 2 safety recalls covering the 2021 Buick Enclave as of 2026-09-15. Whether a specific vehicle is affected — and whether the repair was already done — depends on its VIN.

What are the most common 2021 Buick Enclave problems?

Owners most often report problems with the electrical system and the brakes to NHTSA. These are unverified owner reports and do not establish a defect, but they show where to focus an inspection.

Are Buick recall repairs free?

Generally, yes for eligible vehicles, even after the warranty ends. Federal law limits the required no-charge remedy when a vehicle was first sold more than 15 years before the recall notice; a manufacturer may still cover an older vehicle voluntarily. Check the VIN with the manufacturer for the approved remedy, which may be a dealer visit or a remote software update.

Can I check recalls on a specific 2021 Buick Enclave VIN?

Yes. NHTSA's free VIN lookup reports unrepaired recalls within its coverage. It excludes completed repairs and can omit some recent recalls, older campaigns and vehicles outside its coverage. A zero result is not a complete recall or repair history. Ask the seller or manufacturer for dated repair documentation.