What would be the best car insurance for me?

I just turned 16, and my dad is giving me his mustang.
it is a 2004 mustang gt, 2 door coupe.

we own it so its all paid for, but he's just going to add me onto his insurance i think, but i'd be paying the difference.

so how much would it be to pay insurance monthly? and which car insurance company would be best?