2015 Buick Encore engine problems
29 owner complaints filed with NHTSA name the engine on the 2015 Buick Encore — 23% of all complaints for this model year.
What owners report
“Weber road auto service replaced the engine using county PRC and out-of-pocket funds, and the newly installed used engine has an active engine oil cooler leak, creating an immediate vehicle fire and sudden engine stalling hazard. Also there’s a leak at the ac compressor, condenser and coupler…”
filed Jul 29, 2026
“The turbo in my vehicle has a check engine light come on and than the engine does no act right. The repair shop that looked at car stated that the manufacture knows this is a known issue and they have not made a recall as several cars my year range has this going on. If this is a known issue why is…”
filed Jun 26, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Encore years
| Year | Reports | Share |
|---|---|---|
| 2020 Encore | 7 | 37% |
| 2019 Encore | 31 | 37% |
| 2018 Encore | 29 | 39% |
| 2017 Encore | 35 | 39% |
| 2016 Encore | 40 | 51% |
| 2014 Encore | 25 | 42% |
| 2013 Encore | 21 | 40% |
Other reported problem areas on the 2015 Buick Encore
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.