One problem related to starter has been reported for the 2018 Subaru Outback. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Subaru Outback based on all problems reported for the 2018 Outback.
Battery discharges after car sits for a few days or after short trips. The problem has continued even though I replaced the battery. Highly annoying. Have purchased a portable jump starter so I don't get stranded. I have used the jump starter to start the car at home and while away from home.