"2 doors are safer as they are have stiffer frames as they don't have 2 extra doors that decrease the structural ridgitidy of the whole car, so the coupes would be stronger in a crash."

Side-impact safety: 2 doors vs 4 doors
GTPlanet - Dec 21, 2005
-- https://www.gtplanet.net/forum/threa...4-doors.74452/