Looks sweet though imo I think that you should add some windows on there. The body just looks like one solid object. The windows would help break it up a bit. You should add some sparkles to the paint to, that would help bring out the detail you have put into the body of the bus.

Looks sweet though I would drive it

D.

EDIT: One more thing, if you made the tires a little more on the gray side rather then black like the bus I think it would help alot also. Right now they get lost in the body even with the ligher render. It looks like there is some good detail in the tires that you can't see at all.