2020 Buick Encore Other or unknown Problems
- Complaints
- 3about this part
- Share
- 16%of 19 total for the year
- Median mileage
- 5,240miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the other or unknown of the 2020 Buick Encore, 16% of the 19 complaints for this model year. Where a mileage was given, the median is 5,240 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Purchased new Buick Encore 2020 on 05/22/2000. Previous vehicle was honda civic. Encore never seemed to have enough power & would downshift. On 10/19/20 there was an issue action requested) detected by Buick but I was not notified. Then on 10/28/2020, we were diving the vehicle when it seemed to loose power & an 18 wheeler almost hit us. Encore has 5,302 miles on it. 10/28/20 3:41 p.m. Message from Buick dx. The engine and transmission system is not performing as expected. An issue has been detected in the air induction system which monitors and controls air intake to the engine. …”
NHTSA complaint #11367020, filed 2020-10, 5,240 miles“On 4/24/25 I noticed a pungent odor (like rotten eggs). The odor is worse today. I did research and it appears there may be a problem and or leak with the catalytic converter. The emissions are making me and my kids feel sick, nauseous, headache, irritated eyes, etc.”
NHTSA complaint #11656756, filed 2025-04“I took my 2020 Buick Encore to an independent auto repair shop to have a brake inspection after I had contacted GM multiple times about the loss of acceleration, check engine light and stabilitrak light would come on with brake pedal stiffness and then almost needing to push it to the floor to stop. When I took it to the independent auto repair shop for the brake inspection they informed me of a PO161 code recall so I contacted my local recall service center, only to get a phone call from one of their salesman to come in and see about getting a new car. …”
NHTSA complaint #11734263, filed 2026-04Related service bulletins
- 11037555Sep 26, 2026This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- 11037253Sep 4, 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11035340Jul 21, 2026PI to help diagnose A/C concern
- 11030974Apr 1, 2026This preliminary information communicates information about how to determine if a wheel and tires size change is available.
- 11030092Mar 9, 2026This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
- 11030091Mar 9, 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11029950Mar 2, 2026This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
- 11027697Jan 16, 2026This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
- 11027701Jan 14, 2026This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
- 11027601Jan 8, 2026This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 4 | 50% |
| 2021 | 1 | 11% |
| 2020 | 3 | 16% |
| 2019 | 12 | 14% |
| 2018 | 10 | 14% |
| 2017 | 13 | 14% |
| 2016 | 8 | 10% |
| 2015 | 16 | 13% |
| 2014 | 6 | 10% |
| 2013 | 2 | 4% |
Other parts of the 2020 Buick Encore
7 complaintsElectrical system
4 complaintsFuel system
4 complaintsTransmission and drivetrain
4 complaintsBrakes
3 complaintsVehicle speed control
3 complaintsAir bags
1 complaintsLatches, locks and linkages
1 complaintsSteering
1 complaintsTires
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2020 Buick Encore
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology