It might if you take out the back seats and lay it down on the car floor.
SleepNumber Expanded Queen is 66" x 80" http://www.selectcomfort.com/air_mattress_beds/sn7000_price.cfm
No, the headboard is 4 inches too narrow.
It depends on the bed. If it has two slots on each side for the bedrails, then depending on which slots you use, you will be able to use a full or queen mattress with it. If it only has one set of slots for rails, then you can only use one size. A queen size bed is 6" wider than a full size. If you have an over sized headboard and use a bedframe and don't attach the bedframe to the headboard, you could probably get away with it without anybody noticing.
A king sized headboard can be converted to work with a California king mattress. However, it must be understood that the headboard will not fit as well as a paired headboard.
Yes - if the bed frame is a standard metal bed frame, not attached to a headboard, frames are made to adjust from Twin to Queen size. Just loosen the thumbscrew on the bracket, adjust the width, and tighten.
A Regular Queen size bed measures 60" x 80" An Olympic Queen size bed measures 66" x 80" Depending on your headboard frame, you would have an overlap because of the extra six inches in width. If you put the mattress on a pedestal, with the headboard behind it, the look would be iffy.
No, a full size bedskirt will fit on a full bed
A queen-size bed will fit into a Ford E1 50 cargo van. The queen-size bed will not lay flat. It will need to be put in on an angle.
It will fit but not completely
Queen size matresses will not fit on a king size bed frame, as they are generally 16 inches less in width. As a result, these matresses would not fit on the frame and fall through to the ground.
No a full/double the same, Queen 6" more
No. Two twin size mattress will fit a king size bed frame.