2020 Buick Encore Engine Problems
- Complaints
- 7about this part
- Share
- 37%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 7 complaints about the engine of the 2020 Buick Encore, 37% 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“Engine light is on and vehicle is sluggish on hills and keeping up in traffic. Rpms run high if I try. Error code p0299 shows on scanning device- turbo under boost. I have 112,000 miles and need turbo replaced already. this vehicle is very well maintained. I did see a special notice for the GX version of this vehicle. But dealer says my vin does not qualify”
NHTSA complaint #11584659, filed 2024-04“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 am co-owner of the vehicle. My daughter was driving the SUV when the Check engine light came on. There was no warning whatsoever, and the turbocharger has gone bad . Prior to the light eliminating there was nothing wrong with the suv. I was driving the suv when the check engine light came on. I also own another 2020 Buick encore where this also happened. I was driving the vehicle when the check engine light came on with no prior warning and it was a failed turbocharger. There is something wrong with these vehicles .”
NHTSA complaint #11660287, filed 2025-05“I was told there was a recall on my engine. My check engine light is on. My car doesn't speed up pass 75. When I try to speed up I can feel the gears change.and the car jerks”
NHTSA complaint #11541919, filed 2023-08Related service bulletins
- 11026017Jun 5, 2025This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
- 11024485May 15, 2025The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the…
- 11020254May 7, 2025This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in…
- 11019503Apr 18, 2025This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California…
- 11019378Apr 12, 2025This service bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Malfunction Indicator Lamp (MIL) Illuminated…
- 11017263Mar 25, 2025This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to…
- 11016942Mar 4, 2025This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to…
- 11014230Jan 31, 2025This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
- 11014233Jan 30, 2025This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large…
- 11013269Jan 16, 2025This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 3 | 33% |
| 2020 | 7 | 37% |
| 2019 | 33 | 38% |
| 2018 | 29 | 39% |
| 2017 | 35 | 39% |
| 2016 | 41 | 51% |
| 2015 | 29 | 23% |
| 2014 | 25 | 42% |
| 2013 | 21 | 40% |
Other parts of the 2020 Buick Encore
4 complaintsFuel system
4 complaintsTransmission and drivetrain
4 complaintsBrakes
3 complaintsOther or unknown
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 27, 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