Vehicle insurability is something to consider when buying your vehicle. Some vehicle types are easier or cheaper to insure than others. Insurance for common vehicles (cars, minivans, SUVs) is easiest and generally cheapest. RVs are generally easy to insure, but if your vehicle is self-built, you'll need to work on your vehicle registration and titling first so that it can be insured as an RV. Commercial vehicles may need to be retitled to make it easier or cheaper to get insurance.