Hi Jessica,
Regarding transporting this telescope in a car, if you look at the picture of it on the BinTel website, the white tube is one piece, and the black base is the other piece. The base is quoted at 10kg, it is a bit bulky but it has a carry handle. The tube (OTA) is 13kg. May I suggest if you get a chance, pop into the BinTel shop in Melbourne and look at it in the flesh. I know my 12-inch BinTel Dob tube fitted snugly across the back seat of a VT Commodore, and the 10-inch is smaller so that may give you a guide?
The staff will be very helpful I'm sure. Many more people will provide you with the advice on this scope, but I can vouch for BinTel's Melbourne shop. You are guaranteed excellent customer service and ongoing assistance.
Oh, and "collimating" a telescope just means "adjusting" the mirrors so they are in alignment. There are only two mirror, the big primary and the smaller secondary mirror, and a "collimating eyepiece" is almost essential to get these mirrors aligned. But it is not a hard job, once you do it a couple of time, it will be second nature to you.