Nope... ALL Deloreans had split windows. Check Back To The Future.
The Delorean was also designed by Giugiaro, and a lot of DMC owners actually consider that the SVX design that was submitted to Subaru was something resembling what a 1990's Delorean may have looked like (with some subtle differences of course).
Having driven a DMC a few times in my life, I have to say that yes, the windows are MUCH smaller than the SVX's... and drive thru's theoretically would be a bear. However, those doors only actually swing out a matter of maybe a foot or so beyond the edge of the car. I just opened the door to retrieve food at the driveup. It also made a great ice-breaker in case you wanted to chat up the girl at the window
