General Boat Info
MakeGrady-White
MakeGrady-White
ModelAdvance 257
ModelChesapeake 29
Model Year2007
Model Year2009
Measurements / Dimensions
Beam8 ft. 6 in
Beam9 ft. 11 in. (3.02 m)
Beam - Meters2.59
Beam - Meters3.02
Beam - Inches102
Beam - Inches119
Bridge clearance - Detail7 ft. (with T-top 8 ft. 5 in.)
Bridge clearance - DetailWith Hardtop: 9 ft. 9 in. (2.97 m)
Bridge clearance - Meters2.57
Bridge clearance - Meters2.97
Bridge clearance - Inches101
Bridge clearance - Inches117
Deadrise20℃ with SeaV℃ hull (continuously variable vee)
Deadrisenot available
Draft [max] - Detail16 in
Draft [max] - DetailHull: 23.5 in. (0.6 m)
Draft [max] - Meters0.41
Draft [max] - Meters0.61
Draft [max] - Inches16
Draft [max] - Inches23.5
Weight - Detail4,045 lbs
Weight - DetailWithout Engines: 7,650 lbs. (3,470 kg)
Weight - kg1834.78
Weight - kg3469.98
Weight - lbs.4045
Weight - lbs.765
Width [transom] - Detail7 ft. 10 in
Width [transom] - Detail9 ft. (2.74 m)
Length - Feet24
Length - Feet29.75
Length - Inches9
Length - Inchesnot available
Length overall - Detail24 ft. 9 in
Length overall - Detail29 ft. 9 in
Length overall - Meters7.54
Length overall - Meters9.07
Length overall - Inches297
Length overall - Inches357
Depth - Detailnot available
Depth - DetailCockpit: 28 in. (0.71 m)
Depth - Centimetersnot available
Depth - Centimeters71.12
Depth - Inchesnot available
Depth - Inches28
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typenot available
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - Detail151 gal
Fuel tank capacity - Detail206 gal. (780 l)
Fuel tank capacity - Liters571.6
Fuel tank capacity - Liters779.79
Fuel tank capacity - Gal151
Fuel tank capacity - Gal206
Drive typeOutboard
Drive typeOutboard
Engine max350 hp
Engine max600 hp (448 kW)