Mithras:
Several dozen generations behind if you ask me.
That said, I spent a lot of time in one doing site tours around Dallas this summer and I can't think of anything short of a mini-bus that would have taken six grown men around in the same comfort.
But, as I don't make a habit of driving five other grown men around with me, I don't have much need for something that monsterously large.
Actually I totally agree but didn't want to offend anyone. But since you said it