Trailering muscle
There are three things to consider when testing the lower end of the vehicle envelope. First thing is the towing capacity and tongue weight capacity of your vehicle and hitch. not enough weight forward of the wheels (tongue weight) will exaserbate the swaying; as will not running "ST" tires (ie ST215 75 14). The second and equally important is stopping power. A VW beetle will get a Mac 25 moving eventually, but have trouble braking. And third is the power to pull the boat out of the water.