The cost of a business auto policy will depend on how much coverage you decide to get. Liability will be the most expensive part of the policy. Although your state usually sets a minimum that you need to have, it's most likely way below what you should have -- $1 million of liability is recommended. It's going to have to cover repairs to cars and hospital stays of injured persons - if this coverage amount falls short, coming up with the difference puts your business at risk.

Other aspects that affect cost are the location of your business (state as well as neighborhood), number of employees driving, whether you are insuring a company car or employees' cars, and the driving records of your employees.

Once you have a policy in place, the number of claims you file could raise your premium. Depending on all of these factors, you could have an annual premium per car that's as low as $200 (if you need just a hired or non-owned policy) or one that exceeds $2,000 (for a more comprehensive package).