You also have to think about the front wheel drive aspect of that lightweight Taurus. With any kind of significant load in back, you may compromise your traction.
Better research this one alot. Adding a second vehicle can also getyy you a multi car discount on your insurance, provide additional write-offs at tax time...etc.
Sounds like it's time to buy an Aerostar from Fran Carango! ( cheep, cheep )