Detailed Evaluation & Buyer Recommendation
Monterey 320SY 2012 vs Monterey M5 2010 — Same Brand, Different Boat
Matching a deep vee Monterey 320SY 2012 against a modified vee Monterey M5 2010 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
Size is the most obvious dividing line here. The Monterey 320SY 2012 measures 33,8 feet overall (2012), giving it roughly 8,0 additional feet of deck space compared to the Monterey M5 2010 at 25,8 feet (2010). At 132 lbs and 52 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
The power gap is worth calling out. Rated to 425 hp, the Monterey M5 2010 has a 105-hp advantage over the Monterey 320SY 2012'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 2012 carries 18 gallons versus 8 gallons in the Monterey M5 2010. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Bottom line: The Monterey 320SY 2012 at 33,8 ft is the right call if deck space, comfort, and entertaining are top of your list. The Monterey M5 2010 at 25,8 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
Model Year2012
Model Year201
Measurements / Dimensions
Beam10 ft. 10 in. (3.3 m)
Beam8 ft. 6 in. (2.5 m)
Beam - Meters3.3
Beam - Meters2.59
Beam - Inches13
Beam - Inches102
Bridge clearance - DetailWith Arch: 10 ft. 2 in. (3.1 m)
Bridge clearance - Detailnot available
Bridge clearance - Meters3.1
Bridge clearance - Metersnot available
Bridge clearance - Inches122
Bridge clearance - Inchesnot available
Deadrise17℃
Deadrise20°
Draft [drive up] - Detail30 in. (76.2 cm)
Draft [drive up] - Detail26 in. (0.66 m)
Draft [drive up] meters0.76
Draft [drive up] meters0.66
Draft [drive up] inches3
Draft [drive up] inches26
Draft [max] - Detail40 in. (101.6 cm)
Draft [max] - Detail41 in. (1.02 m)
Draft [max] - Meters1.02
Draft [max] - Meters1.04
Draft [max] - Inches4
Draft [max] - Inches41
Weight - Detail13,200 lbs. (5,987 kg)
Weight - Detail5,200 lbs. (2,359 kg)
Weight - kg5987.41
Weight - kg2358.68
Weight - lbs.132
Weight - lbs.52
Length - Feet33.83
Length - Feet25.83
Length [over all with swim platform]33 ft. 10 in. (10.3 m)
Length [over all with swim platform]25 ft. 10 in. (7.9 m)
Body / Hull
Hull materialFiberglass
Hull materialFiberglass
Hull typeDeep Vee
Hull typeModified Vee
Engine and Drivetrain
Fuel tank capacity - Detail180 gal. (681.3 l)
Fuel tank capacity - Detail80 gal. (302.8 l)
Fuel tank capacity - Liters681.37
Fuel tank capacity - Liters302.83
Fuel tank capacity - Gal18
Fuel tank capacity - Gal8
Fuel typeGas or Diesel
Fuel typeGas
Drive typeInboard - Twin
Drive typeInboard
Engine maxT-320 hp (T-223.7 kW)
Engine max425 hp (316.9 kW)
Operational Info
Headroom6 ft. 3 in. (1.91 m)
Headroomnot available
Water capacity42 gal. (159 l)
Water capacity15 gal. (56.8 l)
Water heater capacity6 gal. (22.7 l)
Water heater capacitynot available
Holding tank capacity - Detail28 gal. (105.99 l)
Holding tank capacity - DetailManual Flush: 12 gal. (34.06 l) VacuFlush: 9 gal. (45.42 l)
Holding tank capacity - Liters105.99
Holding tank capacity - Liters45.42
Holding tank capacity - Gal28
Holding tank capacity - Gal12
Maximum capacitynot available
Maximum capacity2,200 lbs. (998 kg)
Maximum peoplenot available
Maximum people12 persons 2,000 lbs. (907 kg)