2020 Buick Enclave: Problems & Reliability
CAUTION2020 Buick Enclave: CAUTION — 61 owner complaints (1.59 per 1,000 sold), 1.5× the Enclave median year; top issue: engine (17 complaints).
CarWhere's verdict score for the 2020 is 1.34, where 1.00 is a typical Enclave year once complaints are weighted for severity and spread over time on the road; caution starts at 1.25 and avoid at 1.60. Severity drives it: 62% of those complaints report a crash, fire or injury or involve a safety-critical system (engine, powertrain, steering, brakes or fuel).
Sources: NHTSA owner complaints (ODI), recall campaigns and manufacturer service bulletins, published U.S. sales, CarWhere verified buyer prices · Model years 2015–2026 compared · Updated 2026-11-07 · By CarWhere Research · Methodology
61
NHTSA complaints
1.59
Complaints per 1,000 sold
752
Service bulletins
6
Recall campaigns
Most-reported 2020 Buick Enclave problems
Engine leads a spread-out record, named in 28% of complaints.
| Component | Complaints | Share of 2020 complaints |
|---|---|---|
| Engine | 17 | 28% |
| Unknown or other | 13 | 21% |
| Electrical system | 10 | 16% |
| Powertrain / transmission | 9 | 15% |
| Fuel / propulsion system | 6 | 10% |
A complaint can name more than one component, so shares can add up to more than 100%.
2020 Buick Enclave recalls
6 recall campaigns on federal record for the 2020, reported between Sep 6, 2019 and Feb 25, 2021.
| NHTSA campaign | Reported | Component |
|---|---|---|
| 21V115000 | Feb 25, 2021 | Tires |
| 20V684000 | Nov 5, 2020 | Tires |
| 20V668000 | Oct 29, 2020 | Powertrain / transmission › Automatic transmission |
| 20V639000 | Oct 15, 2020 | Fuel system, gasoline › Delivery › Fuel pump |
| 20V446000 | Jul 30, 2020 | Air bags › Side/window › Curtain › Inflator |
| 19V643000 | Sep 6, 2019 | Structure › Frame and members |
2020 Buick Enclave service bulletins
The manufacturer has filed 752 technical service bulletins with NHTSA for the 2020 — close to the 703 of the median Enclave year from 2015 to 2026. Coded bulletins most often cover electrical system (173), engine & cooling (101), powertrain / transmission (83). Bulletins are repair instructions for dealer technicians, not recalls.
The 2020 vs. the year before and after
From the 2019 to the 2020, owner complaints rose 36% (45 → 61) — a step backward. The 2021 that followed fell by more than half (61 → 26), so the 2021 has the lighter record so far.
| Model year | Verdict | Complaints | Bulletins | Recalls | Avg. buyer-paid |
|---|---|---|---|---|---|
| 2019 Enclave | SOLID | 45 | 766 | 1 | — |
| 2020 (this page) | CAUTION | 61 | 752 | 6 | — |
| 2021 Enclave | BEST | 26 | 653 | 2 | — |
Prices are averages of CarWhere verified buyer transactions (shown when 3+ deals exist for the year). Full year-by-year table: Buick Enclave years to avoid.
What to check on a used 2020 Buick Enclave
Engine (17 complaints on the 2020): cold-start it yourself and listen for ticking or knocking; check for oil leaks, low coolant and a lit check-engine light, and ask for oil-change records.
Electrical system (10 complaints on the 2020): test every light, window, lock, the infotainment screen and the charging system, and have the car scanned for stored fault codes.
Powertrain / transmission (9 complaints on the 2020): test-drive from cold through every gear and feel for slipping, harsh or delayed shifts and shudder; ask whether the transmission fluid has been serviced.
Fuel / propulsion system (6 complaints on the 2020): smell for fuel around the car, watch for hesitation or stalling, and check for a lit check-engine light.
Service brakes (5 complaints on the 2020): check pedal feel, pulling and grinding, look at rotor and pad wear, and ask when the brake fluid was last changed.
Recalls: confirm all 6 campaigns above were completed on this VIN.
Know what to pay for the right 2020 Buick Enclave — then negotiate it
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FAQ
Is the 2020 Buick Enclave reliable?
2020 Buick Enclave: CAUTION — 61 owner complaints (1.59 per 1,000 sold), 1.5× the Enclave median year; top issue: engine (17 complaints). CarWhere's verdict score for the 2020 is 1.34, where 1.00 is a typical Enclave year once complaints are weighted for severity and spread over time on the road; caution starts at 1.25 and avoid at 1.60.
What are the most common 2020 Buick Enclave problems?
By NHTSA owner complaints, the most-reported areas on the 2020 Buick Enclave are engine (17, 28%), unknown or other (13, 21%), electrical system (10, 16%). The manufacturer has 752 service bulletins on file for this model year.
How many recalls does the 2020 Buick Enclave have?
6 recall campaigns on federal record for the 2020 Buick Enclave, most recently 21V115000 (Feb 25, 2021, tires); 20V684000 (Nov 5, 2020, tires); 20V668000 (Oct 29, 2020, powertrain / transmission). Recall completion is VIN-specific, so check the exact car.
How do I check a specific 2020 Buick Enclave before buying?
Decode the VIN free at carwhere.com/tools/vin-decoder to confirm the build, then run the $9.99 CarWhere Full VIN Report for the exact VIN — recall, complaint, and service-bulletin record for this model year, the original window sticker where the manufacturer publishes one, and a market price check from verified buyers. One-time purchase, no subscription.
Sources & method
Complaint, recall and service-bulletin counts for the 2020 Buick Enclave come from NHTSA's Office of Defects Investigation; the per-1,000 rate divides complaints by published U.S. 2020 calendar-year sales; the verdict is CarWhere’s severity-weighted, time-on-road-adjusted score compared with the model’s own median year. Complaints are owner allegations, not verified defects. Full methodology.