1999 Mercury Grand Marquis LS This is a Classified ad on eBay for a fixed price of $2,290, this is NOT AN AUCTION. Click here to see all details. More DetailsPrices are subject to change without notice. EPA mileage estimates are for comparison purposes only. Actual mileage may vary depending on driving conditions, driving habits, and vehicle maintenance. More Vehicles Like This1994 Mercury Grand Marquis$9,0001988 Mercury Grand Marquis$7,5001983 Mercury Grand Marquis$10,9001990 Mercury Grand Marquis$4,500
