“Contractual agreements with a minor are not legally enforceable. This means that it would be a huge risk for insurance companies and lenders to do business with anyone under 18. People under the age of 18 can’t register a car in their name, either.
However, if you have saved up for a car and are paying cash for it, and if you have an adult to help you register and insure it, you can purchase a car at the age of 16. “