One problem related to other fuel system tank assembly has been reported for the 2018 Buick Encore. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Buick Encore based on all problems reported for the 2018 Encore.
Every time it rains I am unable to get any gas due to water setting on the port in which I place gas nozzle in to fill tank. Very nervous about the situation due to how costly it could be to fix due to such a poor design.