The cheapest car insurance, period, will likely carry the minimum coverage required in your state. In most states, this is liability insurance only, which covers property damage and medical bills for others due to accidents you cause. Some states also require uninsured and underinsured motorist coverage, which pay for your injuries or damage if an at-fault driver doesn’t have enough insurance.
All classic car insurers share a few vital elements. Primarily, they all have an "agreed value" stipulation which allows you to set how much you think your vehicle is worth in the event of a total loss. They also all provide pivotal comprehensive and collision insurance to protect your vehicle from anything that may damage it. There does exist however, several key differences. While the field of companies for classic cars is not as vast as it is for normal cars, some classic car insurers are better than others.