Grand Banks 58 Classic Yacht Search Stock & Used Yachts The 58 Classic is a classic style boat from American builder Grand Banks. The 58 Classic is constructed from GRP with a semi-displacement hull design returning a top speed of 12 knots. Read More Specs Length 58' 11" Materials GRP Hull & Superstructure Show Full Specs Hide Full Specs Full Specification Principal Characteristics Length overall 58' 11" Beam 17' 6" Length waterline 54' 4" Draft (full load) 5' 6" Fuel capacity 1,400 Gallons Fresh Water capacity 450 Gallons Black water capacity 80 Gallons Max speed 12 Knots Cruising speed 9 knots Hull GRP Superstructure GRP Show Full Specs Hide Full Specs