You can order EXACTLY what you want. They are just being lazy. There are NONE to pull from the list. They are BACKLOGGED SOLD orders and they are NOT going to be available.
Find another dealer if you can. They obviously do not want to do the WORK of entering it. They are afraid they will be left high and dry if you cancel that is why they are fighting you.
2007 Jeep Grand Cherokee 3.0L MB Diesel
2012 Passat TDI SEL Premium Opera Red/Titan Black
2014 Jetta TDI Premium w/NAV Blue/Titan Black
2015 Audi A3 TDI Prestige S-line Lotus Gray Metallic/Black Leather