Is my credit score good enough for my own loan?

Mini info: Im 18 and my score is 704- I’ve only made 3 payments on my current loan (which is co-signed with my aunt who has amazing credit) but in the near future i am planning on paying off that loan by selling the car and taking out a different one..

my questions are:

A) is my creit score considered “good” for a car loan?
B) Will the bank give me a ridiculous interest rate/monthly payments because i havent had my credit very long, or do they just care about numbers?

Wasn’t sure where to ask this.

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