Tiara Yachts

I curently own a 27 open with 260 hp mercruisers and borg warner transmissions I have made many upgrades such as drippless seals A Atlatic towers top new Furuno electronics Including 3dnavnet, furuno pilot, etc the boat is a 1990 in very nice shape fresh water with trailer aprox 1000 hrs looking to upgrade to a 34 pursuit offshore any idea what an aprox sell price for the 27 would be