: In nearly every state, anyone under 18 is considered a minor and generally cannot be held to a legal contract. This means you could technically return the car weeks later and demand your money back, and the law might take your side. Dealerships avoid this risk by refusing to sell to minors without an adult co-signer.
Here is an informative look at what that process actually looks like: The Story: Buying a Car at 17 can you buy a car at 17
Technically, yes, you can buy a car at 17, but you’ll face major legal and logistical hurdles because you haven't reached the "age of majority" (usually 18). : In nearly every state, anyone under 18
: You cannot legally drive without insurance, but insurance is a contract. Most companies will not sell a standalone policy to a 17-year-old. How 17-Year-Olds Actually Do It Here is an informative look at what that