Premiums. Can your credit score have an impact on your car insurance premium? Almost all providers offer discounts, and you may even be eligible for multiple discounts that can, collectively, make a nice dent in your premium. Illinois has extremely harsh penalties for driving without auto insurance. Farmers lloyds insurance company of texas, economy preferred insurance company, or economy fire and casualty insurance company, all with administrative home offices in warwick, ri. How much does auto insurance cost in illinois? Is auto insurance cheaper in missouri or illinois? This insurance is designed to protect you and your car in the event of a hit-and-run accident or collision involving other drivers who may be uninsured or who may not have enough insurance to cover the costs of damage done to you or your property.