Welcome to Just Commodores, a site specifically designed for all people who share the same passion as yourself.
It'll sound like someone farted into a milo can after a night on the curry.
Not faster, not louder,?
The V8 system on the V6 makes it a bit deeper and louder, not much though. You will hear it more under acceleration, it may drone a bit as well. It's not as bad as Smashfist says though lol.