2021 Buick ENCORE problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
9 owner complaints analyzed
0 distinct recall campaigns
38,000 mi median reported failure mileage
Scope: 2021 model year. Data snapshot: . 1 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Engine is the most frequently named component, appearing in 3 of 9 complaints (33.3%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 2 | 22.2% |
| Engine operation | 1 | 11.1% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 3 |
| Power Train | 3 |
| Service Brakes | 2 |
| Air Bags | 1 |
| Electrical System | 1 |
| Unknown Or Other | 1 |
Engine: 3; Power Train: 3; Service Brakes: 2; Air Bags: 1; Electrical System: 1; Unknown Or Other: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 1 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 1; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
25,000 to 49,999 miles has the most reports with usable mileage (1). 8 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 4 |
| 2026 | 1 |
2022: 1; 2023: 2; 2024: 1; 2025: 4; 2026: 1
Pattern summary
Engine leads the component reports. Braking behavior appears in 2 complaint narratives. Engine operation appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11682080 · 2025-08-21 (August 21, 2025)
The contact owns a 2021 Buick Encore. The contact stated that while driving at an undisclosed speed, the brake pedal was firm while depressed. The contact had to slam on the brake pedal to stop the vehicle. The contact stated that the Hill Assist message was displayed. The brake pedal was pumped several times before the brake pedal released. The vehicle was taken to an independent mechanic, who determined that the brake sensor needed to be replaced. The dealer and another dealer, Mangino Chevrolet, INC. (4447 NY-30, Amsterdam, NY 12010); were m…
Owner-reported narrative. 38,000 miles reported. Look up ODI 11682080 at NHTSA ↗
Owner report 11740366 · 2026-05-27 (May 27, 2026)
Intermittent Service Brake Assist Light with very hard brake pedal and almost no breaks backing up. Have had it to several shops who said it was a turbo booster issue so scheduled service with Patriot GMC Boyertown Pa. Also intermittently has little to no power causing driving hazard suddenly especially uphill. Seems to mostly happen during rainy days.
Owner-reported narrative. Look up ODI 11740366 at NHTSA ↗
Owner report 11483354 · 2022-09-07 (September 7, 2022)
Had an oil change done 6/13/22. 6/21/22 Temp gauge rose to 3/4 mark, AC shut off, car really hot under hood, loss of power, car threw crankshaft position sensor code which we replaced. Had the temp gauge do it few more times from 6/21/22 to 8/13/22 when temp gauge did the same thing and car really hot under hood, smoke from tailpipe and loss of power. Took to repair shop, they want to replace engine, oil lines, turbo and gaskets. Car has 121530 miles on it.
Owner-reported narrative. Look up ODI 11483354 at NHTSA ↗