advice needed

Hello, I'm looking to buy a last gen Town Car, preferably 2006+ I guess because of the upgraded dash and transmission. Would do you think a fair price for a car in a good condition, with around 100k miles, would be? Signature Limited trim or higher. A lot of listings I see seem to be quite a bit...

My trusty little Buick Lesabre has broken down for the last time, so I have to purchase a new car by End-of-business this Sunday. Before the Buick I owned a 98 Town Car Cartier which I loved passionately, so I've decided to get another Town Car. I've searched my area and narrowed my choice to 4...