There's little doubt what car would win the prize for world's most fantastic backseat. The Rolls-Royce Phantom can be outfitted with a limitless array of options including a refrigerator with crystal decanters and matching glasses. If you want to do a little work, there are tray tables with luxurious wood veneers. If you fancy a movie, the tops of the tray tables flip up to reveal real TV-sized video screens.
But you needn't spend quite this much for backseat luxury.