Question: what is the difference between a grand marquis ls and gs?
Answer: The Grand Marquis is essentially a luxurious version of the Ford Crown Victoria. ... A Grand Marquis GS is represented by "M74", while a Grand Marquis LS Premium is represented by "M75". The Grand Marquis shares the same "Panther" platform as the Ford Crown Victoria, Lincoln Town Car and the former Mercury Marauder.