Looks like a scam.
read the quote, "Now for all the "legal" stuff. As per Ebay Mystery Auction rules: You are bidding on a Box with a Set Of Keys inside. Anything outside the box that I send is my gift to you. This is not a Lottery, Raffle, Drawing, or game of chance. Any and all state or local fees for transfer will be paid by the buyer."
the gift could be a swift kick in the ass, a personal picture, a dildo, etc. It doesn't say the keys are for a car that will be awarded to you. It just says you get a gift of their choosing and keys in a box. Nothing more.