Detailed Evaluation & Buyer Recommendation
Monterey 320SY 2009 vs Monterey M4 2020: Same Brand, Different Boat
The Monterey 320SY 2009 vs Monterey M4 2020 comparison sits squarely in the category of decisions where specs alone won't tell the whole story: intended use, storage, and long-term ownership costs all factor in.
Both boats share a closely matched power ceiling - 320 hp for the Monterey 320SY 2009 and 300 hp for the Monterey M4 2020. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Monterey 320SY 2009 carries 180 gallons versus 50 gallons in the Monterey M4 2020. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Bottom line: The Monterey 320SY 2009 at 33,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Monterey M4 2020 at 23,1 ft wins on trailering ease, likely lower purchase price, and simpler docking - a solid choice for a buyer who wants more boat for less money.
General Boat Info
MakeMonterey
Makenot available
Model320SY
Modelnot available
Model Year2009
Model Yearnot available
Measurements / Dimensions
Beam10 ft. 10 in. (3.3 m)
Beam8.60 ft
Beam - Meters3.3
Beam - Meters2.62
Beam - Inches130
Beam - Inches103
Bridge clearance - Detail10 ft. 2 in. (3.1 m) with arch
Bridge clearance - Detailnot available
Bridge clearance - Meters3.1
Bridge clearance - Metersnot available
Bridge clearance - Inches122
Bridge clearance - Inchesnot available
Deadrise17℃
Deadrisenot available
Draft [drive up] - Detail30 in. (76.2 cm)
Draft [drive up] - Detailnot available
Draft [drive up] meters0.76
Draft [drive up] metersnot available
Draft [drive up] inches30
Draft [drive up] inchesnot available
Draft [max] - Detail40 in. (101.6 cm)
Draft [max] - Detail3.60 ft
Draft [max] - Meters1.02
Draft [max] - Meters1.1
Draft [max] - Inches40
Draft [max] - Inches43
Weight - DetailTBD
Weight - Detailnot available
Length - Meters10.3
Length - Metersnot available
Length - Feet33
Length - Feet23.1
Length - Inches10
Length - Inchesnot available
Length [over all with swim platform]33 ft. 10 in. (10.3 m)
Length [over all with swim platform]not available
Length overall - Detailnot available
Length overall - Detail23.10 ft
Length overall - Metersnot available
Length overall - Meters7.04
Length overall - Inchesnot available
Length overall - Inches277
Draft Minnot available
Draft Min2.20 ft
Displacementnot available
Displacement4500.00 lbs
Body / Hull
Hull materialFiberglass
Hull materialnot available
Hull typeModified Vee
Hull typenot available
Engine and Drivetrain
Engine/s standardVolvo T-270 hp 5.0 GXi DP
Engine/s standardnot available
Fuel tank capacity - Detail180 gal. (681.37 l)
Fuel tank capacity - Detailnot available
Fuel tank capacity - Liters681.37
Fuel tank capacity - Liters189.27
Fuel tank capacity - Gal180
Fuel tank capacity - Gal50
Fuel typeGas or Diesel
Fuel typenot available
Drive typeInboard - Twin
Drive typeinboard
Engine maxT-320 hp (T-223.7 kW)
Engine maxnot available
Horsepowernot available
Horsepower300 hp
Engine 2 Engine Makenot available
Engine 2 Engine MakeVOLVO PENTA
Engine 2 Horsepowernot available
Engine 2 Horsepower380 hp
Engine 2 Drive Typenot available
Engine 2 Drive Typeinboard
Operational Info
HeadroomMaximum: 6 ft. 3 in. (1.91 m)
Headroomnot available
Water capacity42 gal. (159 l)
Water capacity10
Water heater capacity6 gal. (22 l)
Water heater capacitynot available
Holding tank capacity - Detail28 gal. (105.99 l)
Holding tank capacity - Detailnot available
Holding tank capacity - Liters105.99
Holding tank capacity - Litersnot available
Holding tank capacity - Gal28
Holding tank capacity - Galnot available
Boat typenot available
Boat typePower