I used to tow my 2.2 ton Cruise Craft with a jeep cherokee and now the auto gearbox slips all the time. A few weeks ago i made the best decision ever and spent $3K on an old 60 series Diesel Toyota Land Cruiser purely for pulling the boat. I had to spend $1,000 to fix all the little bits and pieces that were wrong with it but now I have the perfect tow truck.
No more worrying about getting salt water all over the leather, or making sure it is all washed down perfectly after I get salt water on it.
Do yourself a favor and buy an old tow truck that you can trash and have a nice car that you keep nice.
When I sell the boat one day I will probably sell it with the truck !!