$3,926 below This vehicle is about $3,900 less than the average price for a 2008 Mercury Grand Marquis for sale in the United States. 2008 Mercury Grand Marquis LS 71,125 miles / $6,900
$1,594 below This vehicle is about $1,600 less than the average price for a 2008 Mercury Grand Marquis for sale in the United States. 2008 Mercury Grand Marquis LS 179,781 miles / $3,950