「タッタッタ」って車に乗ってみたいな。

This な, what is it?
It can't be the colloquial version of ような I guess.
So I think it is みたい plus な. But in this case, I don't know what it shall tell me Oo

I'd translate the sentence like this

"I want to enter/ride in a care that makes 'tatata'"