Often the age required to rent a car or get the best insurance rates. 1. Buying Under Age 18 How Old Do You Have to Be to Buy a Car? - Progressive

Can legally sign contracts, finance a vehicle, and own the title. Legal age of majority in Alabama and Nebraska . 21+

While you can technically own a car at any age, you generally must be to buy, register, and insure a vehicle independently in most U.S. states. This is because the "age of majority" is 18, and businesses like dealerships and insurance companies cannot legally enforce contracts signed by minors. Quick Summary of Age Milestones Can You Buy a Car? Key Restrictions Under 18 Yes, but with help

Cannot sign contracts; needs an adult to co-sign or hold the title.