Sea Ray 390 Sundancer Yacht Mk1, 2004 - 2005 Search Stock & Used Yachts The 390 Sundancer is a sportsboat from American builder Sea Ray. The 390 Sundancer is constructed from GRP with a hull design. Read More Deck Plans Layout, Deck by Deck Main Deck Lower Deck Specs Length 12.49m Materials GRP Hull & Superstructure Show Full Specs Hide Full Specs Full Specification Principal Characteristics Length overall 12.49m Beam 4.01m Draft (full load) 0.86m Fuel capacity 1,041 Litres Fresh Water capacity 265 Litres Black water capacity 159 Litres Dry weight 8,685kg Hull GRP Superstructure GRP Engines & Performance Standard Option Mercury MerCruiser 8.1L Horizon 370hp QTY x 2 Performance 370 HP 370 HP (370 Kw) each @ 4600 rpm Maximum Speed - Engine Details Show Full Specs Hide Full Specs