credit card, personal loan, car loan, they are just names. There is only two types of debt, Secured and Unsecured. Secured means that if you dont pay they take their shit back, they want that shit to be worth something, so full coverage is required. Unsecured mean they just fuck your credit and call you all the time, so you can cover it as you please full or just liability. Yes dealers make money by selling the debt, so they like loans. If your credit is good enough for you to qualify for a 3% loan and they sign you up for 6% that loan is worth more $$$ when they sell it. Private sellers like cash and it is one heck of a bargaining chip for people that are in way over their heads.