In Canada the hitch is $1675 CAD and the car is all pre-wired as per the list of standard equipment. All that you’d have to do is but the valance for the rear and a hitch to bold on. Gotta be able to save $1000 by crawling under yourself and bolting it on. The trim piece for the rear is less…
https://www.cadillacforums.com/threads/trailer-hitch.1152852/