If you have comprehensive and collision coverages on your existing auto policy, they will carry over to your rental car and you won't need to purchase additional insurance. (progressive.com)
For small trailers, coverage can often be added onto your existing auto policy in most cases. (trustedchoice.com)
Whether you have separate liability insurance or your motorcycle is on an existing auto policy, your accident history will affect the amount you pay in premiums. (chicagolawyer.com)