Monterey 320SY 2009 boat specs
Monterey
Monterey 320SY 2009
2009
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VS
Monterey 328SS 2012 boat specs
Monterey
Monterey 328SS 2012
2012
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Monterey 320SY 2009 vs Monterey 328SS 2012: Same Brand, Different Boat

The Monterey 320SY 2009 is a modified-V design and the Monterey 328SS 2012 is a deep-V design, so you're likely deciding between two noticeably different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.

The power gap is worth calling out. Rated to 430 hp, the Monterey 328SS 2012 has a 110-hp advantage over the Monterey 320SY 2009's 320-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Monterey 320SY 2009 carries 180 gallons versus 142 gallons in the Monterey 328SS 2012. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Bottom line: Performance buyers should lean toward the Monterey 328SS 2012 and its 430-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Monterey 320SY 2009 with its 320-hp rating is the more economical daily driver.
General Boat Info
MakeMonterey
MakeMonterey
Model320SY
Model328SS
Model Year2009
Model Year2012
Measurements / Dimensions
Beam10 ft. 10 in. (3.3 m)
Beam9 ft. 8 in. (2.9 m)
Beam - Meters3.3
Beam - Meters2.95
Beam - Inches130
Beam - Inches116
Bridge clearance - Detail10 ft. 2 in. (3.1 m) with arch
Bridge clearance - DetailWith Arch: 8 ft. 3 in. (2.5 m)
Bridge clearance - Meters3.1
Bridge clearance - Meters2.51
Bridge clearance - Inches122
Bridge clearance - Inches99
Deadrise17℃
Deadrise22℃
Draft [drive up] - Detail30 in. (76.2 cm)
Draft [drive up] - Detail27 in. (0.68 m)
Draft [drive up] meters0.76
Draft [drive up] meters0.69
Draft [drive up] inches30
Draft [drive up] inches27
Draft [max] - Detail40 in. (101.6 cm)
Draft [max] - Detail39 in. (0.99 m)
Draft [max] - Meters1.02
Draft [max] - Meters0.99
Draft [max] - Inches40
Draft [max] - Inches39
Weight - DetailTBD
Weight - Detail9,700 lbs. (4,400 kg)
Length - Meters10.3
Length - Metersnot available
Length - Feet33
Length - Feet32.17
Length - Inches10
Length - Inchesnot available
Length [over all with swim platform]33 ft. 10 in. (10.3 m)
Length [over all with swim platform]32 ft. 2 in. (9.7 m)
Weight - kgnot available
Weight - kg4399.84
Weight - lbs.not available
Weight - lbs.9700
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeModified Vee
Hull typeDeep Vee
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 - Detail142 gal. (537.5 l)
Fuel tank capacity - Liters681.37
Fuel tank capacity - Liters537.53
Fuel tank capacity - Gal180
Fuel tank capacity - Gal142
Fuel typeGas or Diesel
Fuel typeGas
Drive typeInboard - Twin
Drive typeInboard - Twin
Engine maxT-320 hp (T-223.7 kW)
Engine maxT-430 hp (T-320.7 kW)
Operational Info
HeadEnclosed
Headnot available
HeadroomMaximum: 6 ft. 3 in. (1.91 m)
Headroomnot available
Water capacity42 gal. (159 l)
Water capacity25 gal. (94.6 l)
Water heater capacity6 gal. (22 l)
Water heater capacity6 gal. (22.7 l)
Holding tank capacity - Detail28 gal. (105.99 l)
Holding tank capacity - Detail18 gal. (68 l)
Holding tank capacity - Liters105.99
Holding tank capacity - Liters68.14
Holding tank capacity - Gal28
Holding tank capacity - Gal18

Monterey 320SY 2009 vs Monterey 328SS 2012 - Common Questions

Which is the larger boat - the Monterey 320SY 2009 or the Monterey 328SS 2012?
The Monterey 320SY 2009 is the longer of the two at 33,0 feet overall. The Monterey 328SS 2012 comes in at 32,2 feet, making it roughly 0,8 ft shorter - a meaningful difference in deck room and overall on-water presence.
Which boat can handle a bigger outboard?
The Monterey 328SS 2012 is rated to a maximum of 430 hp, giving it the larger power ceiling. The Monterey 320SY 2009 tops out at 320 hp. Keep in mind that maximum ratings are just that - matching the motor to the actual load and usage pattern usually matters more than chasing the ceiling.
Which boat is wider, and does it affect trailering?
The Monterey 320SY 2009 measures 130" wide, compared to 116" for the Monterey 328SS 2012. The US standard-width towing limit is 8’6" (102") in most states - anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
Which boat has the larger fuel tank - the Monterey 320SY 2009 or the Monterey 328SS 2012?
The Monterey 320SY 2009 has the bigger tank at 180 gallons, versus 142 gallons on the Monterey 328SS 2012. That 38-gallon difference translates to roughly 114–190 nautical miles of additional range at cruising speed, depending on motor, load, and conditions.
Are the Monterey 320SY 2009 and Monterey 328SS 2012 from the same manufacturer?
Yes - both the Monterey 320SY 2009 and the Monterey 328SS 2012 are built by Monterey. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.