Board Thread:Skyrim/@comment-108.181.222.161-20130726221716/@comment-10104661-20131002185832

Runesfuer wrote: that is true. but there is also the Pahmar-raht and Senche - The Senche is a fierce, tiger like Khajiit not unlike the Pahmar-rant and is roughly the size of an Altmer when standing on its hind legs. The Senche is also one of the few Khajiit to be used as a steed by other Khajiit. This is thought to be voluntary, however it is unconfirmed.

They are big, maybe even bigger, but the Cathay-Raht is said to actually be around the size and speed of a werewolf.