This graphic takes the top insurance providers in Savannah, GA and compares the average monthly cost of their respective premiums against the average cost of $430. The state’s top providers, and the percent difference that is between their average monthly cost and the average cost in the city as a whole are: Allstate (-19%), GEICO (-43%), Liberty Mutual (65%), Nationwide (25%), Progressive (-2%), State Farm (-37%), and USAA (-50%).