FYI, I purchased the Thule 934 Pro bike rack from Performance Bicycle last week for $200 instead of the Tesla rack for $500 and it works great on my Model X. You can also open the hatch without having to tip the rack down. The backup sensors flip out when backing up but that is to be expected.
Thule 934PRO 4-Bike Hitch Rack - Performance Bike
Thule 934PRO 4-Bike Hitch Rack - Performance Bike