$6,616 below This vehicle is about $6,600 less than the average price for a 1989 GMC Sierra 1500 for sale in the United States. 1989 GMC Sierra 1500 286,698 miles / $18,990
$754 above This vehicle is priced within 11% of the average price for a 1989 GMC S-15 in the United States. 1989 GMC S-15 131,611 miles / $7,895
$1,756 below Based on the average price for a 1989 GMC Sierra 1500 for sale in the United States, this is a good deal for this vehicle. 1989 GMC Sierra 1500 375,659 miles / $1,995
$1,697 below Based on the average price for a 1989 GMC Sierra 1500 for sale in the United States, this is a good deal for this vehicle. 1989 GMC Sierra 1500 162,223 miles / $6,500