I've driven estate cars pretty well all my adult life. During periods when we have only had 1 car it has almost always been an estate, and if we have had 2 cars, the one I drive most has always been.
Currently I have a Vauxhall Insignia, before that my last two were both Mondeos. All diesel, the two Mondeos were both got rid of at over 230K miles. All very practical, I preferred the Mondeos to the Insignia, but hard to pin down just why.
I still usually prefer to carry the bike on a towball mounted carrier than inside, though it does go inside fairly easily with one of the rear seats folded.