There are shuttles that run from Vancouver <--> Whistler throughout the day. This would be a very easy way to get to Whistler as you really do not need a car once you are there!

https://www.whistler.com/getting-here/road/shuttle/?gad_source=1&gclid=Cj0KCQjw2uiwBhCXARIsACMvIU3HS0xwbB-WnDtRJCQFZAnd6nFYl_nrJyq4CIEmHm5FyogcZVVt7ycaAmBvEALw_wcB&gclsrc=aw.ds

Additionally, there is a free shuttle within Whistler to get around: https://www.whistler.ca/services/transportation/getting-to-and-around-whistler/

Registry