YearToAvoid

2015 Buick Encore Engine Problems

NHTSA lists 35 engine complaints for the 2015 Buick Encore, 28% of its 124 total complaints, with a median failure mileage of 50,075. No related recall is on file for this engine issue.

Engine complaints
35
28% of 124
Crashes reported
1
Fires reported
0
Injuries reported
0
Median mileage
50,075 mi
Related recalls
0

Typical engine symptoms owners report

  • Owners report the engine misfiring and jerking, sometimes getting stuck in first or second gear during acceleration.
  • A turbo charger reportedly failed, triggering a lasting check engine light and, in one case, an unavailable replacement part.
  • Coolant leaks described near the turbo area caused a coolant smell and burn-off through the exhaust manifold.
  • Some owners report the engine stalling or shutting down entirely at highway speed, cutting steering and braking assist.
  • A warped plastic valve cover was reported causing a vacuum leak and loss of power at high mileage.
  • Owners describe sudden hesitation and rising temperature gauges paired with an illuminated check engine light while driving 60 mph.

When 2015 Buick Encore engine complaints were filed

First complaint Sep 29, 2015, latest Jul 29, 2026.

2015 Buick Encore engine complaints: complaints filed per month3Sep 2015Apr 2018Aug 2019Jan 2021Jul 2023Aug 2024Aug 2025
35 complaints filed with NHTSA from Sep 2015 to Jul 2026; peak Jun 2019 (3).

Engine recalls for the 2015 Buick Encore

No safety recalls on record for this model year.

Engine complaints by Encore model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 201325 (48%)
  2. 201427 (45%)
  3. 201535 (28%)
  4. 201642 (53%)
  5. 201742 (47%)
  6. 201834 (46%)
  7. 201945 (52%)
  8. 20209 (47%)
  9. 20213 (33%)
  10. 20222 (25%)

Frequently asked questions

How many engine complaints does the 2015 Buick Encore have?
NHTSA lists 35 engine complaints for the 2015 Encore, which is 28% of the 124 total complaints filed for that model year.
Is there a recall for the 2015 Buick Encore engine?
No related recall is listed in the data for this engine problem area.
At what mileage do 2015 Encore engine problems typically show up?
The median mileage at failure reported to NHTSA for this engine issue is 50,075 miles.
Did the 2015 Buick Encore engine problems cause any crashes or fires?
NHTSA data shows 1 crash and 0 fires associated with this engine problem area for the 2015 Encore.
How does the 2015 Encore compare to other years for engine complaints?
The 2015 Encore's engine complaints made up 28% of its total complaints, lower than the 45-53% share seen in 2013, 2014, 2016, 2017, 2018, and 2019.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.