General Boat Info
MakeGrady-White
MakeGrady-White
ModelAdvance 257
ModelSportsman 18
Model Year2008
Model Year2009
Measurements / Dimensions
Beam8 ft. 6 in
Beam7 ft. 5 in. (2.26 m)
Beam - Meters2.59
Beam - Meters2.26
Beam - Inches102
Beam - Inches89
Bridge clearance - Detail7 ft.<br>T-top: 8 ft. 5 in
Bridge clearance - Detail5 ft. 7 in. (1.70 m)
Bridge clearance - Meters2.57
Bridge clearance - Meters1.7
Bridge clearance - Inches101
Bridge clearance - Inches67
Depth - DetailCockpit: 27 in
Depth - DetailCockpit: 22 in. (0.56 m)
Depth - Centimeters68.58
Depth - Centimeters55.88
Depth - Inches27
Depth - Inches22
Draft [max] - Detail20 in
Draft [max] - DetailHull: 15 in. (0.38 m)
Draft [max] - Meters0.51
Draft [max] - Meters0.38
Draft [max] - Inches2
Draft [max] - Inches15
Weight - Detail4,045 lbs
Weight - DetailWithout Engine: 2,150 lbs. (975 kg)
Weight - kg1834.78
Weight - kg975.22
Weight - lbs.4045
Weight - lbs.215
Width [transom] - Detail7 ft. 10 in
Width [transom] - Detail7 ft. 2 in. (2.18 m)
Length - Feet24
Length - Feet17.83
Length - Inches9
Length - Inchesnot available
Length overall - Detail24 ft. 9 in
Length overall - Detail17 ft. 10 in
Length overall - Meters7.54
Length overall - Meters5.44
Length overall - Inches297
Length overall - Inches214
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typenot available
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - Detail151 gal
Fuel tank capacity - Detail60 gal. (227 l)
Fuel tank capacity - Liters571.6
Fuel tank capacity - Liters227.12
Fuel tank capacity - Gal151
Fuel tank capacity - Gal6
Drive typeOutboard
Drive typeOutboard
Engine max350 hp
Engine max150 hp (112 kW)