I hated it on my 2021 Legacy…
I hated it on my 2021 Legacy Touring XT. The car would shake noticeably every time it restarted. I've driven a number of other vehicles with it and Subaru's was the worst. I always turned it off. My current car is a 2023 Hyundai Tucson and it's auto stop/start feature is smooth enough I leave it on.