Don't own one, but have "evaluated" both the auto and manual for long weekends on several occasions.
Quiet is what you expect in this class. But IMO it is about the same as a regular CTS. Which for most buyers in this class is appropriate.
And "sucks gas" is a relative term. It makes 40% more HP than an L99. That isn't free. Keep it on the highway and below 70 and you can get over 20. Twitch your right foot, though and....................
It is an absolute monster and a fabulous car. If you can afford it..............get it.
This shows the potential................and sounds like some of the poster above probably want.
http://jalopnik.com/5390124/hennesse...r-of-emergency
Oh and listen to the whole thing....................OnStar call is quite funny.