Insurance. You can always check to see if your insurance provider offers any insurance discounts so that you are getting the cheapest car insurance they can offer. Most major insurers offer a wide variety of discounts, such as student discounts, the safe driver discount, multi-policy discount, and defensive driving course discount. This article will cover the minimum requirements in illinois, cost-saving strategies, and the least expensive car insurance companies by age. We looked at the various good driver car insurance rates offered by illinois car insurance companies. Nyoung drivers have higher rates than their more experienced counterparts, but by applying for discounts, shopping around, and maintaining a clean driving record, drivers under 25 can save money on car insurance. Cheapest car insurance companies in illinois car insurance rates are determined by many factors, such as your location, driving history, and the kind of vehicle you drive.