For drivers 55+ in Florida, the 6-hour Mature Driver Course does guarantee an insurance discount, but the exact amount depends on the insurer. Typically, companies reduce premiums by about 3% to 10%, and sometimes up to 15%, with savings lasting around 3 years if the record stays clean. A $30 online course is standard, and you can enroll here https://palmwayfl.com/courses to get a state-approved option. In real terms, many seniors save a few hundred dollars over those three years.