Recalls (2)
NHTSA lists 2 recall campaigns for the 2021 Buick Enclave. Check whether yours was repaired with NHTSA's free VIN lookup ↗
Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.
Check on NHTSA ↗Roof Rail Air Bags May Not Deploy
- Summary
- 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.
- Consequence
- Roof rail air bags that do not deploy as intended increase the risk of injury in a crash.
- Remedy
- 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.
Front Air Bag May Not Deploy Properly
- Summary
- 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.
- Consequence
- Air bags that do not deploy as intended can increase the risk of injury.
- Remedy
- 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.
PlainVIN shows public government records for education. It isn't a vehicle inspection or legal advice. Check your own VIN with NHTSA or your dealer.
Owner complaints (26)
26 complaints filed with NHTSA (owner reports, not verified findings). The service brakes is mentioned most often.
As reported by owners in their complaints. These are reports, not NHTSA findings.
Most-reported components
| Component | Complaints | % of 26 |
|---|---|---|
| Service brakes | 7 | 26.9% |
| Electrical system | 6 | 23.1% |
| Unknown or other | 4 | 15.4% |
| Seat belts | 3 | 11.5% |
| Structure | 3 | 11.5% |
| Engine | 2 | 7.7% |
| Latches/locks/linkages | 2 | 7.7% |
| Power train | 2 | 7.7% |
| Forward collision avoidance | 1 | 3.8% |
| Fuel/propulsion system | 1 | 3.8% |
How 2021 compares with other Enclave years
Best and worst Enclave years →| Model year | Complaints | Recall campaigns |
|---|---|---|
| 2017 | 179 | 3 |
| 2018 | 65 | 0 |
| 2019 | 42 | 1 |
| 2020 | 59 | 6 |
| 2021 | 26 | 2 |
| 2022 | 13 | 1 |
| 2023 | 21 | 0 |
| 2024 | 7 | 0 |
| 2025 | 38 | 0 |
| 2026 | 2 | 1 |
Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.
Crash tests: 5 stars overall

Source: NHTSA 5-Star Safety Ratings (NCAP), 2021 Buick Enclave suv fwd, retrieved Oct 6, 2026.
Fuel economy: up to 21 mpg combined
- EPA annual fuel cost
- $3,200
- CO₂ tailpipe
- 420 g/mi
- EPA class
- Standard Sport Utility Vehicle
What it costs you to run
Miles ÷ 21 mpg × $4.354 (EIA US average regular, week of Oct 5, 2026, all taxes included). Source: EPA · EIA.
EPA label estimates from lab tests; your mileage will vary.
Specs by configuration
| Engine · transmission | Drive | City / Hwy / Comb | EPA $/yr | CO₂ g/mi |
|---|---|---|---|---|
| 3.6 L 6-cyl · 9-speed automatic | Front-Wheel Drive | 18 / 26 / 21 | $3,200 | 420 |
| 3.6 L 6-cyl · 9-speed automatic | All-Wheel Drive | 17 / 25 / 20 | $3,350 | 440 |
Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.

Looking at a 2021 Enclave for sale?
Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.
Where to next
2021 Buick Enclave FAQ
How many recalls does the 2021 Buick Enclave have?
NHTSA lists 2 recall campaigns: 22V210000 (air bag), 21V472000 (air bag). Use NHTSA's VIN lookup to see whether a specific car was repaired.
What are the most common 2021 Buick Enclave problems?
Owners filed 26 complaints with NHTSA. Service brakes (7), Electrical system (6), Unknown or other (4) are mentioned most. These are owner reports, not verified findings.
What mpg does the 2021 Buick Enclave get?
EPA rates the 3.6 L 6-cyl · 9-speed automatic version at 18 city, 26 highway and 21 combined mpg. Other configurations are listed in the fuel economy section.
What safety rating did the 2021 Buick Enclave get?
NHTSA rated the 2021 Buick Enclave suv fwd 5 stars overall, with 4 stars frontal, 5 stars side and 4 stars rollover (16.9% rollover risk).
How does the 2021 Enclave compare with other years?
Among the 2017–2021 Buick Enclave model years at least five years old, the 2021 drew the fewest complaints (26) and the 2017 the most (179). The 2021 drew 26. Counts are owner reports, not failure rates.
How this page was madeSources, processing, limits, review and changes
Data sources
- NHTSA recalls by vehicle
Retrieved Oct 6, 2026 - US DOT recall completion rates (data.transportation.gov)
Retrieved Oct 6, 2026 - NHTSA ODI owner complaints
Retrieved Oct 6, 2026 - NHTSA NCAP 5-Star Safety Ratings
Retrieved Oct 6, 2026 - EPA fuel economy data (licence confirmation pending)
Retrieved Oct 6, 2026 - EIA weekly retail gasoline prices
Weekly, all taxes included
Processing
- Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
- Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.
Limitations
- Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
- Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
- Recent model years are still collecting reports.
Review
Data compiled automatically from the official files listed here.
Changelog
- 2026-10-06 Data refreshed from the official files.