Kelly Marietta Cheap Car & Auto Insurance Atlanta compared auto insurance rates in the city of Atlanta, GA to identify the cheapest insurers and the rates they offer. The car insurance rates vary for a driver age / driver sex but the biggest impact on costs is variability in companies quotes. The highest quote in Atlanta, GA, for example was $1,479 or 190% higher than the cheapest car insurance company’s quote of $871. This is exactly why we compel you should always get quotes from at least three companies so they can be compared.