I ordered a Model S in August with the standard 19” wheels. My order agreement came in at $93,440. Last week I decided to upgrade to the 21” wheels for the additional $4,500. However when they sent me the new order agreement, they adjusted the base price upward as well to make the total price now $102,940. Will they amend this or am I just out of luck? If this is standard practice I didn’t see this explained anywhere.