AutoUtility currently tracks 25 official NHTSA owner defect complaints for the 2021 Buick Enclave. Electrical System issues are the most frequently reported category, appearing in 6 complaints (24% of submitted records). Zero crashes, fires, injury reports, or fatality reports are cited across these complaint records.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
6 owner complaints submitted to NHTSA ODI for this subsystem.
6 owner complaints submitted to NHTSA ODI for this subsystem.
5 owner complaints submitted to NHTSA ODI for this subsystem.
3 owner complaints submitted to NHTSA ODI for this subsystem.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"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..."
"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."
"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..."
"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..."
"About six months ago the tailgate foot sensor failed and has not worked. Since then, the tailgate began randomly opening on its own, mostly when the car is parked and shut off, but as of today(4-28-2026) it started occurring while I'm driving. In addition to the hazard of items falling from my..."
Reported defect complaint volume across sibling model years (2015–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Buick Enclave | 171 | 7 | 5 | View 2015 Problems → |
| 2016 Buick Enclave | 140 | 2 | 4 | View 2016 Problems → |
| 2017 Buick Enclave | 179 | 6 | 3 | View 2017 Problems → |
| 2018 Buick Enclave | 64 | 5 | 0 | View 2018 Problems → |
| 2019 Buick Enclave | 42 | 2 | 1 | View 2019 Problems → |
| 2020 Buick Enclave | 56 | 2 | 6 | View 2020 Problems → |
| 2021 Buick Enclave Current Page | 25 | 0 | 2 | Current |
| 2022 Buick Enclave | 13 | 2 | 1 | View 2022 Problems → |
| 2023 Buick Enclave | 19 | 2 | 0 | View 2023 Problems → |
| 2024 Buick Enclave | 7 | 1 | 0 | View 2024 Problems → |
| 2025 Buick Enclave | 36 | 3 | 0 | View 2025 Problems → |
| 2026 Buick Enclave | 0 | 0 | 1 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 14 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Service Brakes NHTSA category: SERVICE BRAKES | 6 | 0 | 0 | 0 | 0 |
| Seat Belts NHTSA category: SEAT BELTS | 3 | 0 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,STRUCTURE | 2 | 0 | 0 | 0 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 2 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,LATCHES/LOCKS/LINKAGES | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| Engine NHTSA category: ENGINE | 1 | 0 | 0 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| Doors, Latches & Locks NHTSA category: LATCHES/LOCKS/LINKAGES | 1 | 0 | 0 | 0 | 0 |
| STEERING,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2021 Buick Enclave
In official NHTSA consumer records, the most frequently cited issue area for the 2021 Buick Enclave is Electrical System, appearing in 6 records (24% of submitted filings).
Secondary reported categories include Brakes & Traction Control (6) and Body & Structure (5).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 25 consumer defect complaints and 2 safety recall campaigns for the 2021 Buick Enclave.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Consumer complaint records on file with NHTSA for the 2021 Buick Enclave cite zero crashes, zero fires, and zero injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.