Google Drives lists the file size but without the sort option.
If you switch to the List View in Google Drive (the list icon is near the Settings gear), it will show the sizes of all your files but unfortunately there’s no option to sort that list by their sizes. Also, Google Drive doesn’t support a Gmail-style size search operator so, unlike your emails, you cannot search for big files in Drive.
There’s however an easy workaround. While you are in Google Drive, go to bottom left corner and you’ll see a link that shows how much storage space you have used. Hover your mouse over that link and then choose Google Drive. Voila! The list you now see is sorted by size and the largest are listed at the top.